Linux724 逻辑卷挂载；挂载点扩容；逻辑卷开机自启
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问题
[root@web ~]# pvcreate /dev/sdb3
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.
WARNING: ext4 signature detected on /dev/sdb3 at offset 1080. Wipe it? [y/n]: nAborted wiping of ext4.1 existing signature left on the device.
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root@web ~]# pvcreate /dev/sdd5
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.Can't initialize physical volume "/dev/sdd5" of volume group "vg2" without -ff/dev/sdd5: physical volume not initialized.
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mount: /dev/mapper/vg9-lv9 写保护，将以只读方式挂载
mount: 文件系统类型错误、选项错误、/dev/mapper/vg9-lv9 上有坏超级块、缺少代码页或助手程序，或其他错误有些情况下在 syslog 中可以找到一些有用信息- 请尝试dmesg | tail 这样的命令看看。
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[root@web e1]# unmount /dev/mapper/vge1-lve1 /e1
bash: unmount: 未找到命令...
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[root@web e1]# umount /e1
umount: /e1：目标忙。(有些情况下通过 lsof(8) 或 fuser(1) 可以找到有关使用该设备的进程的有用信息)
[root@web e1]#
磁盘 /dev/sde：16.1 GB, 16106127360 字节，31457280 个扇区
Units = 扇区 of 1 * 512 = 512 bytes
扇区大小(逻辑/物理)：512 字节 / 512 字节
I/O 大小(最小/最佳)：512 字节 / 512 字节
磁盘标签类型：dos
磁盘标识符：0xfdc595c2设备 Boot Start End Blocks Id System
/dev/sde1 2048 2099199 1048576 83 Linux
/dev/sde2 2099200 6293503 2097152 83 Linux
/dev/sde3 6293504 8390655 1048576 83 Linux命令(输入 m 获取帮助)：w
The partition table has been altered!Calling ioctl() to re-read partition table.WARNING: Re-reading the partition table failed with error 16: 设备或资源忙.
The kernel still uses the old table. The new table will be used at
the next reboot or after you run partprobe(8) or kpartx(8)
[root@web /]# pvmove /dev/sde1 /dev/sde2
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.Cannot change VG vg2 while PVs are missing.Consider vgreduce --removemissing.Cannot process volume group vg2Physical Volume "/dev/sde2" not found in Volume Group "vge1".[root@web /]# pvmove /dev/sde1 /dev/sde2
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.Cannot change VG vg2 while PVs are missing.Consider vgreduce --removemissing.Cannot process volume group vg2/dev/sde1: Moved: 6.40%/dev/sde1: Moved: 100.00%
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记录
Network error: Connection timed out───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────Session stopped- Press <return> to exit tab- Press R to restart session- Press S to save terminal output to file
root@192.168.235.20's password:┌────────────────────────────────────────────────────────────────────┐│ • MobaXterm 20.0 • ││ (SSH client, X-server and networking tools) ││ ││ ➤ SSH session to root@192.168.235.20 ││ • SSH compression : ✘ ││ • SSH-browser : ✔ ││ • X11-forwarding : ✔ (remote display is forwarded through SSH) ││ • DISPLAY : ✔ (automatically set on remote server) ││ ││ ➤ For more info, ctrl+click on help or visit our website │└────────────────────────────────────────────────────────────────────┘Last login: Wed Jul 23 23:50:44 2025
[root@web ~]# LSBLK
bash: LSBLK: 未找到命令...
相似命令是： 'lsblk'
[root@web ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 20G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 19G 0 part├─centos-root 253:0 0 17G 0 lvm /└─centos-swap 253:1 0 2G 0 lvm [SWAP]
sdb 8:16 0 10G 0 disk
├─sdb1 8:17 0 1G 0 part
├─sdb2 8:18 0 1G 0 part /u2
├─sdb3 8:19 0 1G 0 part
├─sdb4 8:20 0 1K 0 part
├─sdb5 8:21 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
├─sdb6 8:22 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
├─sdb7 8:23 0 1G 0 part
│ ├─vg01-lv01 253:3 0 3.1G 0 lvm
│ ├─vg01-lv02 253:4 0 120M 0 lvm
│ └─vg01-lv03 253:5 0 36M 0 lvm
├─sdb8 8:24 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
└─sdb9 8:25 0 900M 0 part
sdc 8:32 0 10G 0 disk
├─sdc1 8:33 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:2 0 8G 0 lvm /usr/local/mysql
├─sdc2 8:34 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:2 0 8G 0 lvm /usr/local/mysql
├─sdc3 8:35 0 1K 0 part
├─sdc5 8:37 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:2 0 8G 0 lvm /usr/local/mysql
├─sdc6 8:38 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:2 0 8G 0 lvm /usr/local/mysql
└─sdc7 8:39 0 900M 0 part└─vg_mysql-lv_mysql 253:2 0 8G 0 lvm /usr/local/mysql
sdd 8:48 0 20G 0 disk
├─sdd1 8:49 0 2G 0 part
├─sdd2 8:50 0 2G 0 part
│ ├─vg1-lv1_rmeta_1 253:10 0 4M 0 lvm
│ │ └─vg1-lv1-real 253:13 0 1.5G 0 lvm
│ │ ├─vg1-lv1 253:12 0 1.5G 0 lvm /uc1
│ │ └─vg1-lv1--snap 253:15 0 1.5G 0 lvm /mmt/lv1-snap
│ ├─vg1-lv1_rimage_1 253:11 0 1.5G 0 lvm
│ │ └─vg1-lv1-real 253:13 0 1.5G 0 lvm
│ │ ├─vg1-lv1 253:12 0 1.5G 0 lvm /uc1
│ │ └─vg1-lv1--snap 253:15 0 1.5G 0 lvm /mmt/lv1-snap
│ └─vg1-lv1--snap-cow 253:14 0 128M 0 lvm
│ └─vg1-lv1--snap 253:15 0 1.5G 0 lvm /mmt/lv1-snap
├─sdd3 8:51 0 2G 0 part
├─sdd4 8:52 0 512B 0 part
├─sdd5 8:53 0 2G 0 part
├─sdd6 8:54 0 2G 0 part [SWAP]
├─sdd7 8:55 0 2G 0 part
│ └─vg7-lv7 253:7 0 2.1G 0 lvm /u7
└─sdd8 8:56 0 2G 0 part├─vg7-lv7 253:7 0 2.1G 0 lvm /u7└─vg7-lv8 253:8 0 1.2G 0 lvm
sr0 11:0 1 4.4G 0 rom /mnt
vg1-lv1_rmeta_0 253:6 0 4M 0 lvm
└─vg1-lv1-real 253:13 0 1.5G 0 lvm├─vg1-lv1 253:12 0 1.5G 0 lvm /uc1└─vg1-lv1--snap 253:15 0 1.5G 0 lvm /mmt/lv1-snap
vg1-lv1_rimage_0 253:9 0 1.5G 0 lvm
└─vg1-lv1-real 253:13 0 1.5G 0 lvm├─vg1-lv1 253:12 0 1.5G 0 lvm /uc1└─vg1-lv1--snap 253:15 0 1.5G 0 lvm /mmt/lv1-snap
[root@web ~]# blkid /dev/sdb3
/dev/sdb3: LABEL="d3" UUID="3f7c2f3d-7eb9-4a46-b4f4-7a1ecde49b14" TYPE="ext4"
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[root@web ~]# pvs
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.PV VG Fmt Attr PSize PFree/dev/sda2 centos lvm2 a-- <19.00g 0/dev/sdb5 vg01 lvm2 a-- 1020.00m 724.00m/dev/sdb6 vg01 lvm2 a-- 1020.00m 0/dev/sdb7 vg01 lvm2 a-- 1020.00m 40.00m/dev/sdb8 vg01 lvm2 a-- 1020.00m 0/dev/sdc1 vg_mysql lvm2 a-- <2.00g 0/dev/sdc2 vg_mysql lvm2 a-- <2.00g 0/dev/sdc5 vg_mysql lvm2 a-- <2.00g 0/dev/sdc6 vg_mysql lvm2 a-- <2.00g 0/dev/sdc7 vg_mysql lvm2 a-- 896.00m 880.00m/dev/sdd1 vg1 lvm2 a-- <2.00g <2.00g/dev/sdd2 vg1 lvm2 a-- <2.00g 376.00m/dev/sdd5 vg2 lvm2 a-- <2.00g <2.00g/dev/sdd7 vg7 lvm2 a-- <2.00g 0/dev/sdd8 vg7 lvm2 a-- <2.00g 708.00m[unknown] vg2 lvm2 a-m <2.00g <2.00g
[root@web ~]# pvcreate /dev/sdb3
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.
WARNING: ext4 signature detected on /dev/sdb3 at offset 1080. Wipe it? [y/n]: nAborted wiping of ext4.1 existing signature left on the device.
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[root@web ~]# pvcreate /dev/sdd5
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.Can't initialize physical volume "/dev/sdd5" of volume group "vg2" without -ff/dev/sdd5: physical volume not initialized.
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[root@web ~]# vgdisplay vg2
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.--- Volume group ---VG Name vg2System IDFormat lvm2Metadata Areas 1Metadata Sequence No 1VG Access read/writeVG Status resizableMAX LV 0Cur LV 0Open LV 0Max PV 0Cur PV 2Act PV 1VG Size 3.99 GiBPE Size 4.00 MiBTotal PE 1022Alloc PE / Size 0 / 0Free PE / Size 1022 / 3.99 GiBVG UUID srsyYV-hyDm-fXe9-2fy9-Hcc3-ZirM-cqC7Bm您在 /var/spool/mail/root 中有邮件
[root@web ~]# vgs
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.VG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 4 3 0 wz--n- 3.98g 764.00mvg1 2 2 1 wz--n- 3.99g 2.36gvg2 2 0 0 wz-pn- 3.99g 3.99gvg7 2 2 0 wz--n- 3.99g 708.00mvg_mysql 5 1 0 wz--n- <8.86g 880.00m
[root@web ~]# pvs
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.PV VG Fmt Attr PSize PFree/dev/sda2 centos lvm2 a-- <19.00g 0/dev/sdb5 vg01 lvm2 a-- 1020.00m 724.00m/dev/sdb6 vg01 lvm2 a-- 1020.00m 0/dev/sdb7 vg01 lvm2 a-- 1020.00m 40.00m/dev/sdb8 vg01 lvm2 a-- 1020.00m 0/dev/sdc1 vg_mysql lvm2 a-- <2.00g 0/dev/sdc2 vg_mysql lvm2 a-- <2.00g 0/dev/sdc5 vg_mysql lvm2 a-- <2.00g 0/dev/sdc6 vg_mysql lvm2 a-- <2.00g 0/dev/sdc7 vg_mysql lvm2 a-- 896.00m 880.00m/dev/sdd1 vg1 lvm2 a-- <2.00g <2.00g/dev/sdd2 vg1 lvm2 a-- <2.00g 376.00m/dev/sdd5 vg2 lvm2 a-- <2.00g <2.00g/dev/sdd7 vg7 lvm2 a-- <2.00g 0/dev/sdd8 vg7 lvm2 a-- <2.00g 708.00m[unknown] vg2 lvm2 a-m <2.00g <2.00g
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[root@web ~]# pvcreate /dev/sdb9
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.
WARNING: swap signature detected on /dev/sdb9 at offset 4086. Wipe it? [y/n]: yWiping swap signature on /dev/sdb9.Physical volume "/dev/sdb9" successfully created.
[root@web ~]# vgcreate vg9 /dev/sdb9
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.Volume group "vg9" successfully created
[root@web ~]# lvcreate vg9 lv9
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentNo command with matching syntax recognised. Run 'lvcreate --help' for more information.
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[root@web ~]# lvcreate lv9 vg9
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentNo command with matching syntax recognised. Run 'lvcreate --help' for more information.
[root@web ~]# lvcreate -n lv9 -L 800M vg9
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentLogical volume "lv9" created.
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[root@web ~]# mkdir /ut1
[root@web ~]# mount /dev/vg9/lv9 /ut1
mount: /dev/mapper/vg9-lv9 写保护，将以只读方式挂载
mount: 文件系统类型错误、选项错误、/dev/mapper/vg9-lv9 上有坏超级块、缺少代码页或助手程序，或其他错误有些情况下在 syslog 中可以找到一些有用信息- 请尝试dmesg | tail 这样的命令看看。
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[root@web ~]# rebootRemote side unexpectedly closed network connection───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────Session stopped- Press <return> to exit tab- Press R to restart session- Press S to save terminal output to file
root@192.168.235.20's password:┌────────────────────────────────────────────────────────────────────┐│ • MobaXterm 20.0 • ││ (SSH client, X-server and networking tools) ││ ││ ➤ SSH session to root@192.168.235.20 ││ • SSH compression : ✘ ││ • SSH-browser : ✔ ││ • X11-forwarding : ✔ (remote display is forwarded through SSH) ││ • DISPLAY : ✔ (automatically set on remote server) ││ ││ ➤ For more info, ctrl+click on help or visit our website │└────────────────────────────────────────────────────────────────────┘Last login: Thu Jul 24 19:04:34 2025 from 192.168.235.1
[root@web ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 20G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 19G 0 part├─centos-root 253:0 0 17G 0 lvm /└─centos-swap 253:1 0 2G 0 lvm [SWAP]
sdb 8:16 0 10G 0 disk
├─sdb1 8:17 0 1G 0 part
├─sdb2 8:18 0 1G 0 part /u2
├─sdb3 8:19 0 1G 0 part
├─sdb4 8:20 0 1K 0 part
├─sdb5 8:21 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
├─sdb6 8:22 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
├─sdb7 8:23 0 1G 0 part
│ ├─vg01-lv01 253:3 0 3.1G 0 lvm
│ ├─vg01-lv02 253:4 0 120M 0 lvm
│ └─vg01-lv03 253:5 0 36M 0 lvm
├─sdb8 8:24 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
└─sdb9 8:25 0 900M 0 part└─vg9-lv9 253:2 0 800M 0 lvm
sdc 8:32 0 10G 0 disk
├─sdc1 8:33 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc2 8:34 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc3 8:35 0 1K 0 part
├─sdc5 8:37 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc6 8:38 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
└─sdc7 8:39 0 900M 0 part└─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
sdd 8:48 0 20G 0 disk
├─sdd1 8:49 0 2G 0 part
├─sdd2 8:50 0 2G 0 part
│ ├─vg1-lv1_rmeta_1 253:11 0 4M 0 lvm
│ │ └─vg1-lv1-real 253:13 0 1.5G 0 lvm
│ │ ├─vg1-lv1 253:14 0 1.5G 0 lvm
│ │ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
│ ├─vg1-lv1_rimage_1 253:12 0 1.5G 0 lvm
│ │ └─vg1-lv1-real 253:13 0 1.5G 0 lvm
│ │ ├─vg1-lv1 253:14 0 1.5G 0 lvm
│ │ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
│ └─vg1-lv1--snap-cow 253:15 0 128M 0 lvm
│ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
├─sdd3 8:51 0 2G 0 part
├─sdd4 8:52 0 1K 0 part
├─sdd5 8:53 0 2G 0 part
├─sdd6 8:54 0 2G 0 part [SWAP]
├─sdd7 8:55 0 2G 0 part
│ └─vg7-lv7 253:7 0 2.1G 0 lvm /u7
└─sdd8 8:56 0 2G 0 part├─vg7-lv7 253:7 0 2.1G 0 lvm /u7└─vg7-lv8 253:8 0 1.2G 0 lvm
sde 8:64 0 15G 0 disk
sr0 11:0 1 4.4G 0 rom /mnt
vg1-lv1_rmeta_0 253:9 0 4M 0 lvm
└─vg1-lv1-real 253:13 0 1.5G 0 lvm├─vg1-lv1 253:14 0 1.5G 0 lvm└─vg1-lv1--snap 253:16 0 1.5G 0 lvm
vg1-lv1_rimage_0 253:10 0 1.5G 0 lvm
└─vg1-lv1-real 253:13 0 1.5G 0 lvm├─vg1-lv1 253:14 0 1.5G 0 lvm└─vg1-lv1--snap 253:16 0 1.5G 0 lvm
[root@web ~]# fdisk /dev/sde
欢迎使用 fdisk (util-linux 2.23.2)。更改将停留在内存中，直到您决定将更改写入磁盘。
使用写入命令前请三思。Device does not contain a recognized partition table
使用磁盘标识符 0xfdc595c2 创建新的 DOS 磁盘标签。命令(输入 m 获取帮助)：n
Partition type:p primary (0 primary, 0 extended, 4 free)e extended
Select (default p): p
分区号 (1-4，默认 1)：
起始 扇区 (2048-31457279，默认为 2048)：
将使用默认值 2048
Last 扇区, +扇区 or +size{K,M,G} (2048-31457279，默认为 31457279)：+1G
分区 1 已设置为 Linux 类型，大小设为 1 GiB命令(输入 m 获取帮助)：n
Partition type:p primary (1 primary, 0 extended, 3 free)e extended
Select (default p): p
分区号 (2-4，默认 2)：
起始 扇区 (2099200-31457279，默认为 2099200)：
将使用默认值 2099200
Last 扇区, +扇区 or +size{K,M,G} (2099200-31457279，默认为 31457279)：+2G
分区 2 已设置为 Linux 类型，大小设为 2 GiB命令(输入 m 获取帮助)：w
The partition table has been altered!Calling ioctl() to re-read partition table.
正在同步磁盘。
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[root@web ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 20G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 19G 0 part├─centos-root 253:0 0 17G 0 lvm /└─centos-swap 253:1 0 2G 0 lvm [SWAP]
sdb 8:16 0 10G 0 disk
├─sdb1 8:17 0 1G 0 part
├─sdb2 8:18 0 1G 0 part /u2
├─sdb3 8:19 0 1G 0 part
├─sdb4 8:20 0 1K 0 part
├─sdb5 8:21 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
├─sdb6 8:22 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
├─sdb7 8:23 0 1G 0 part
│ ├─vg01-lv01 253:3 0 3.1G 0 lvm
│ ├─vg01-lv02 253:4 0 120M 0 lvm
│ └─vg01-lv03 253:5 0 36M 0 lvm
├─sdb8 8:24 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
└─sdb9 8:25 0 900M 0 part└─vg9-lv9 253:2 0 800M 0 lvm
sdc 8:32 0 10G 0 disk
├─sdc1 8:33 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc2 8:34 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc3 8:35 0 1K 0 part
├─sdc5 8:37 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc6 8:38 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
└─sdc7 8:39 0 900M 0 part└─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
sdd 8:48 0 20G 0 disk
├─sdd1 8:49 0 2G 0 part
├─sdd2 8:50 0 2G 0 part
│ ├─vg1-lv1_rmeta_1 253:11 0 4M 0 lvm
│ │ └─vg1-lv1-real 253:13 0 1.5G 0 lvm
│ │ ├─vg1-lv1 253:14 0 1.5G 0 lvm
│ │ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
│ ├─vg1-lv1_rimage_1 253:12 0 1.5G 0 lvm
│ │ └─vg1-lv1-real 253:13 0 1.5G 0 lvm
│ │ ├─vg1-lv1 253:14 0 1.5G 0 lvm
│ │ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
│ └─vg1-lv1--snap-cow 253:15 0 128M 0 lvm
│ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
├─sdd3 8:51 0 2G 0 part
├─sdd4 8:52 0 1K 0 part
├─sdd5 8:53 0 2G 0 part
├─sdd6 8:54 0 2G 0 part [SWAP]
├─sdd7 8:55 0 2G 0 part
│ └─vg7-lv7 253:7 0 2.1G 0 lvm /u7
└─sdd8 8:56 0 2G 0 part├─vg7-lv7 253:7 0 2.1G 0 lvm /u7└─vg7-lv8 253:8 0 1.2G 0 lvm
sde 8:64 0 15G 0 disk
├─sde1 8:65 0 1G 0 part
└─sde2 8:66 0 2G 0 part
sr0 11:0 1 4.4G 0 rom /mnt
vg1-lv1_rmeta_0 253:9 0 4M 0 lvm
└─vg1-lv1-real 253:13 0 1.5G 0 lvm├─vg1-lv1 253:14 0 1.5G 0 lvm└─vg1-lv1--snap 253:16 0 1.5G 0 lvm
vg1-lv1_rimage_0 253:10 0 1.5G 0 lvm
└─vg1-lv1-real 253:13 0 1.5G 0 lvm├─vg1-lv1 253:14 0 1.5G 0 lvm└─vg1-lv1--snap 253:16 0 1.5G 0 lvm
[root@web ~]# pvcreate /sde/sde1
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.Device /sde/sde1 not found.
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[root@web ~]# pvcreate sde1
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.Device sde1 not found.
[root@web ~]# pvcreate /dev/sde1
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.Physical volume "/dev/sde1" successfully created.
[root@web ~]# pvs
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.PV VG Fmt Attr PSize PFree/dev/sda2 centos lvm2 a-- <19.00g 0/dev/sdb5 vg01 lvm2 a-- 1020.00m 724.00m/dev/sdb6 vg01 lvm2 a-- 1020.00m 0/dev/sdb7 vg01 lvm2 a-- 1020.00m 40.00m/dev/sdb8 vg01 lvm2 a-- 1020.00m 0/dev/sdb9 vg9 lvm2 a-- 896.00m 96.00m/dev/sdc1 vg_mysql lvm2 a-- <2.00g 0/dev/sdc2 vg_mysql lvm2 a-- <2.00g 0/dev/sdc5 vg_mysql lvm2 a-- <2.00g 0/dev/sdc6 vg_mysql lvm2 a-- <2.00g 0/dev/sdc7 vg_mysql lvm2 a-- 896.00m 880.00m/dev/sdd1 vg1 lvm2 a-- <2.00g <2.00g/dev/sdd2 vg1 lvm2 a-- <2.00g 376.00m/dev/sdd5 vg2 lvm2 a-- <2.00g <2.00g/dev/sdd7 vg7 lvm2 a-- <2.00g 0/dev/sdd8 vg7 lvm2 a-- <2.00g 708.00m/dev/sde1 lvm2 --- 1.00g 1.00g[unknown] vg2 lvm2 a-m <2.00g <2.00g
[root@web ~]# vgcreate vge1
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentNo command with matching syntax recognised. Run 'vgcreate --help' for more information.Correct command syntax is:vgcreate VG_new PV ...[root@web ~]# vgcreate vge1 /dev/sde1
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.Volume group "vge1" successfully created
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[root@web ~]# vgs
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.VG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 4 3 0 wz--n- 3.98g 764.00mvg1 2 2 1 wz--n- 3.99g 2.36gvg2 2 0 0 wz-pn- 3.99g 3.99gvg7 2 2 0 wz--n- 3.99g 708.00mvg9 1 1 0 wz--n- 896.00m 96.00mvg_mysql 5 1 0 wz--n- <8.86g 880.00mvge1 1 0 0 wz--n- 1020.00m 1020.00m
[root@web ~]# lvcreate -n lve1 -L 500M vge1
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentLogical volume "lve1" created.
[root@web ~]# lvs
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertroot centos -wi-ao---- <17.00gswap centos -wi-ao---- 2.00glv01 vg01 -wi-a----- <3.09glv02 vg01 -wi-a----- 120.00mlv03 vg01 -wi-a----- 36.00mlv1 vg1 owi-a-r-r- 1.50g 100.00lv1-snap vg1 swi-a-s--- 128.00m lv1 23.59lv7 vg7 -wi-ao---- <2.10glv8 vg7 -wi-a----- 1.20glv9 vg9 -wi-a----- 800.00mlv_mysql vg_mysql -wi-ao---- 8.00glve1 vge1 -wi-a----- 500.00m
[root@web ~]# mkdir /e1
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[root@web ~]# mount /dev/vge1/lve1 /e1
mount: /dev/mapper/vge1-lve1 写保护，将以只读方式挂载
mount: 文件系统类型错误、选项错误、/dev/mapper/vge1-lve1 上有坏超级块、缺少代码页或助手程序，或其他错误有些情况下在 syslog 中可以找到一些有用信息- 请尝试dmesg | tail 这样的命令看看。
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[root@web ~]# mount -o ro /dev/vge1/lve1 /e1
mount: 文件系统类型错误、选项错误、/dev/mapper/vge1-lve1 上有坏超级块、缺少代码页或助手程序，或其他错误有些情况下在 syslog 中可以找到一些有用信息- 请尝试dmesg | tail 这样的命令看看。
[root@web ~]# df -h
文件系统 容量 已用 可用 已用% 挂载点
devtmpfs 470M 0 470M 0% /dev
tmpfs 487M 0 487M 0% /dev/shm
tmpfs 487M 8.5M 478M 2% /run
tmpfs 487M 0 487M 0% /sys/fs/cgroup
/dev/mapper/centos-root 17G 17G 604M 97% /
/dev/sdb2 976M 2.6M 907M 1% /u2
/dev/sda1 1014M 172M 843M 17% /boot
/dev/mapper/vg7-lv7 2.1G 19M 1.9G 1% /u7
/dev/sr0 4.4G 4.4G 0 100% /mnt
/dev/mapper/vg_mysql-lv_mysql 7.8G 1.2G 6.2G 17% /usr/local/mysql
tmpfs 98M 12K 98M 1% /run/user/42
tmpfs 98M 0 98M 0% /run/user/0
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[root@web ~]# dmesg | tail -20
[ 7.261828] e1000: ens33 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None
[ 7.262669] IPv6: ADDRCONF(NETDEV_CHANGE): ens33: link becomes ready
[ 11.436976] ISO 9660 Extensions: Microsoft Joliet Level 3
[ 11.460289] ISO 9660 Extensions: RRIP_1991A
[ 11.509152] EXT4-fs (dm-6): mounted filesystem with ordered data mode. Opts: (null)
[ 11.650757] ip6_tables: (C) 2000-2006 Netfilter Core Team
[ 11.697474] Ebtables v2.0 registered
[ 11.851371] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[ 11.860742] tun: Universal TUN/TAP device driver, 1.6
[ 11.860748] tun: (C) 1999-2004 Max Krasnyansky <maxk@qualcomm.com>
[ 11.861959] virbr0: port 1(virbr0-nic) entered blocking state
[ 11.861966] virbr0: port 1(virbr0-nic) entered disabled state
[ 11.862012] device virbr0-nic entered promiscuous mode
[ 11.930411] nf_conntrack version 0.5.0 (7778 buckets, 31112 max)
[ 11.972876] virbr0: port 1(virbr0-nic) entered blocking state
[ 11.972883] virbr0: port 1(virbr0-nic) entered listening state
[ 11.972931] IPv6: ADDRCONF(NETDEV_UP): virbr0: link is not ready
[ 11.997277] virbr0: port 1(virbr0-nic) entered disabled state
[ 13.662547] WARNING! power/level is deprecated; use power/control instead
[ 137.116134] sde: sde1 sde2
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[root@web ~]# journalctl -p err | grep "mount"
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[root@web ~]# blkid /dev/vge1/lve1
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[root@web ~]# lvdisplay /dev/vge1/lve1
WARNING: Ignoring duplicate config value: snapshot_autoextend_percent--- Logical volume ---LV Path /dev/vge1/lve1LV Name lve1VG Name vge1LV UUID 5E3jgY-WObk-O26F-4BlT-0Etg-ADm5-SYpE2kLV Write Access read/writeLV Creation host, time web.cn, 2025-07-24 19:42:21 +0800LV Status available# open 0LV Size 500.00 MiBCurrent LE 125Segments 1Allocation inheritRead ahead sectors auto- currently set to 8192Block device 253:17[root@web ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 20G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 19G 0 part├─centos-root 253:0 0 17G 0 lvm /└─centos-swap 253:1 0 2G 0 lvm [SWAP]
sdb 8:16 0 10G 0 disk
├─sdb1 8:17 0 1G 0 part
├─sdb2 8:18 0 1G 0 part /u2
├─sdb3 8:19 0 1G 0 part
├─sdb4 8:20 0 1K 0 part
├─sdb5 8:21 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
├─sdb6 8:22 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
├─sdb7 8:23 0 1G 0 part
│ ├─vg01-lv01 253:3 0 3.1G 0 lvm
│ ├─vg01-lv02 253:4 0 120M 0 lvm
│ └─vg01-lv03 253:5 0 36M 0 lvm
├─sdb8 8:24 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
└─sdb9 8:25 0 900M 0 part└─vg9-lv9 253:2 0 800M 0 lvm
sdc 8:32 0 10G 0 disk
├─sdc1 8:33 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc2 8:34 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc3 8:35 0 1K 0 part
├─sdc5 8:37 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc6 8:38 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
└─sdc7 8:39 0 900M 0 part└─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
sdd 8:48 0 20G 0 disk
├─sdd1 8:49 0 2G 0 part
├─sdd2 8:50 0 2G 0 part
│ ├─vg1-lv1_rmeta_1 253:11 0 4M 0 lvm
│ │ └─vg1-lv1-real 253:13 0 1.5G 0 lvm
│ │ ├─vg1-lv1 253:14 0 1.5G 0 lvm
│ │ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
│ ├─vg1-lv1_rimage_1 253:12 0 1.5G 0 lvm
│ │ └─vg1-lv1-real 253:13 0 1.5G 0 lvm
│ │ ├─vg1-lv1 253:14 0 1.5G 0 lvm
│ │ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
│ └─vg1-lv1--snap-cow 253:15 0 128M 0 lvm
│ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
├─sdd3 8:51 0 2G 0 part
├─sdd4 8:52 0 1K 0 part
├─sdd5 8:53 0 2G 0 part
├─sdd6 8:54 0 2G 0 part [SWAP]
├─sdd7 8:55 0 2G 0 part
│ └─vg7-lv7 253:7 0 2.1G 0 lvm /u7
└─sdd8 8:56 0 2G 0 part├─vg7-lv7 253:7 0 2.1G 0 lvm /u7└─vg7-lv8 253:8 0 1.2G 0 lvm
sde 8:64 0 15G 0 disk
├─sde1 8:65 0 1G 0 part
│ └─vge1-lve1 253:17 0 500M 0 lvm
└─sde2 8:66 0 2G 0 part
sr0 11:0 1 4.4G 0 rom /mnt
vg1-lv1_rmeta_0 253:9 0 4M 0 lvm
└─vg1-lv1-real 253:13 0 1.5G 0 lvm├─vg1-lv1 253:14 0 1.5G 0 lvm└─vg1-lv1--snap 253:16 0 1.5G 0 lvm
vg1-lv1_rimage_0 253:10 0 1.5G 0 lvm
└─vg1-lv1-real 253:13 0 1.5G 0 lvm├─vg1-lv1 253:14 0 1.5G 0 lvm└─vg1-lv1--snap 253:16 0 1.5G 0 lvm
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[root@web ~]# blkid /dev/vge1/lve1
[root@web ~]# mount /dev/vge1/lve1 /e1
mount: /dev/mapper/vge1-lve1 写保护，将以只读方式挂载
mount: 文件系统类型错误、选项错误、/dev/mapper/vge1-lve1 上有坏超级块、缺少代码页或助手程序，或其他错误有些情况下在 syslog 中可以找到一些有用信息- 请尝试dmesg | tail 这样的命令看看。
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[root@web ~]# lvdisplay /dev/vge1/lve1
WARNING: Ignoring duplicate config value: snapshot_autoextend_percent--- Logical volume ---LV Path /dev/vge1/lve1LV Name lve1VG Name vge1LV UUID 5E3jgY-WObk-O26F-4BlT-0Etg-ADm5-SYpE2kLV Write Access read/writeLV Creation host, time web.cn, 2025-07-24 19:42:21 +0800LV Status available# open 0LV Size 500.00 MiBCurrent LE 125Segments 1Allocation inheritRead ahead sectors auto- currently set to 8192Block device 253:17您在 /var/spool/mail/root 中有邮件
[root@web ~]# vgs vge1
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentVG #PV #LV #SN Attr VSize VFreevge1 1 1 0 wz--n- 1020.00m 520.00m
[root@web ~]# lvs /dev/vge1/lve1
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentLV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertlve1 vge1 -wi-a----- 500.00m
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[root@web ~]# mkfs.ext4 /dev/vge1/lve1
mke2fs 1.42.9 (28-Dec-2013)
文件系统标签=
OS type: Linux
块大小=1024 (log=0)
分块大小=1024 (log=0)
Stride=0 blocks, Stripe width=0 blocks
128016 inodes, 512000 blocks
25600 blocks (5.00%) reserved for the super user
第一个数据块=1
Maximum filesystem blocks=34078720
63 block groups
8192 blocks per group, 8192 fragments per group
2032 inodes per group
Superblock backups stored on blocks:8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409Allocating group tables: 完成
正在写入inode表: 完成
Creating journal (8192 blocks): 完成
Writing superblocks and filesystem accounting information: 完成[root@web ~]# mount /dev/vge1/lve1 /e1
[root@web ~]# cd /e1
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[root@web e1]# touch file{1..5}
[root@web e1]# ls
file1 file2 file3 file4 file5 lost+found
[root@web e1]# fidsk /dev/sde
bash: fidsk: 未找到命令...
相似命令是： 'fdisk'
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[root@web e1]# fdisk /dev/sde
欢迎使用 fdisk (util-linux 2.23.2)。更改将停留在内存中，直到您决定将更改写入磁盘。
使用写入命令前请三思。命令(输入 m 获取帮助)：p磁盘 /dev/sde：16.1 GB, 16106127360 字节，31457280 个扇区
Units = 扇区 of 1 * 512 = 512 bytes
扇区大小(逻辑/物理)：512 字节 / 512 字节
I/O 大小(最小/最佳)：512 字节 / 512 字节
磁盘标签类型：dos
磁盘标识符：0xfdc595c2设备 Boot Start End Blocks Id System
/dev/sde1 2048 2099199 1048576 83 Linux
/dev/sde2 2099200 6293503 2097152 83 Linux命令(输入 m 获取帮助)：n
Partition type:p primary (2 primary, 0 extended, 2 free)e extended
Select (default p): p
分区号 (3,4，默认 3)：
起始 扇区 (6293504-31457279，默认为 6293504)：
将使用默认值 6293504
Last 扇区, +扇区 or +size{K,M,G} (6293504-31457279，默认为 31457279)：+1G
分区 3 已设置为 Linux 类型，大小设为 1 GiB命令(输入 m 获取帮助)：P磁盘 /dev/sde：16.1 GB, 16106127360 字节，31457280 个扇区
Units = 扇区 of 1 * 512 = 512 bytes
扇区大小(逻辑/物理)：512 字节 / 512 字节
I/O 大小(最小/最佳)：512 字节 / 512 字节
磁盘标签类型：dos
磁盘标识符：0xfdc595c2设备 Boot Start End Blocks Id System
/dev/sde1 2048 2099199 1048576 83 Linux
/dev/sde2 2099200 6293503 2097152 83 Linux
/dev/sde3 6293504 8390655 1048576 83 Linux命令(输入 m 获取帮助)：W
The partition table has been altered!Calling ioctl() to re-read partition table.WARNING: Re-reading the partition table failed with error 16: 设备或资源忙.
The kernel still uses the old table. The new table will be used at
the next reboot or after you run partprobe(8) or kpartx(8)
正在同步磁盘。
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[root@web e1]# df -h
文件系统 容量 已用 可用 已用% 挂载点
devtmpfs 470M 0 470M 0% /dev
tmpfs 487M 0 487M 0% /dev/shm
tmpfs 487M 8.6M 478M 2% /run
tmpfs 487M 0 487M 0% /sys/fs/cgroup
/dev/mapper/centos-root 17G 17G 606M 97% /
/dev/sdb2 976M 2.6M 907M 1% /u2
/dev/sda1 1014M 172M 843M 17% /boot
/dev/mapper/vg7-lv7 2.1G 19M 1.9G 1% /u7
/dev/sr0 4.4G 4.4G 0 100% /mnt
/dev/mapper/vg_mysql-lv_mysql 7.8G 1.2G 6.2G 17% /usr/local/mysql
tmpfs 98M 12K 98M 1% /run/user/42
tmpfs 98M 0 98M 0% /run/user/0
/dev/mapper/vge1-lve1 477M 2.3M 445M 1% /e1
[root@web e1]# unmount /e1
bash: unmount: 未找到命令...
[root@web e1]# unmount /dev/mapper/vge1-lve1 /e1
bash: unmount: 未找到命令...
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[root@web e1]# umount /e1
umount: /e1：目标忙。(有些情况下通过 lsof(8) 或 fuser(1) 可以找到有关使用该设备的进程的有用信息)
[root@web e1]# cd /
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[root@web /]# umount /e1
[root@web /]# fdisk /dev/sde
欢迎使用 fdisk (util-linux 2.23.2)。更改将停留在内存中，直到您决定将更改写入磁盘。
使用写入命令前请三思。命令(输入 m 获取帮助)：[
[: unknown command
命令操作a toggle a bootable flagb edit bsd disklabelc toggle the dos compatibility flagd delete a partitiong create a new empty GPT partition tableG create an IRIX (SGI) partition tablel list known partition typesm print this menun add a new partitiono create a new empty DOS partition tablep print the partition tableq quit without saving changess create a new empty Sun disklabelt change a partition's system idu change display/entry unitsv verify the partition tablew write table to disk and exitx extra functionality (experts only)命令(输入 m 获取帮助)：p磁盘 /dev/sde：16.1 GB, 16106127360 字节，31457280 个扇区
Units = 扇区 of 1 * 512 = 512 bytes
扇区大小(逻辑/物理)：512 字节 / 512 字节
I/O 大小(最小/最佳)：512 字节 / 512 字节
磁盘标签类型：dos
磁盘标识符：0xfdc595c2设备 Boot Start End Blocks Id System
/dev/sde1 2048 2099199 1048576 83 Linux
/dev/sde2 2099200 6293503 2097152 83 Linux
/dev/sde3 6293504 8390655 1048576 83 Linux命令(输入 m 获取帮助)：w
The partition table has been altered!Calling ioctl() to re-read partition table.WARNING: Re-reading the partition table failed with error 16: 设备或资源忙.
The kernel still uses the old table. The new table will be used at
the next reboot or after you run partprobe(8) or kpartx(8)
正在同步磁盘。
[root@web /]# df -h
文件系统 容量 已用 可用 已用% 挂载点
devtmpfs 470M 0 470M 0% /dev
tmpfs 487M 0 487M 0% /dev/shm
tmpfs 487M 8.6M 478M 2% /run
tmpfs 487M 0 487M 0% /sys/fs/cgroup
/dev/mapper/centos-root 17G 17G 606M 97% /
/dev/sdb2 976M 2.6M 907M 1% /u2
/dev/sda1 1014M 172M 843M 17% /boot
/dev/mapper/vg7-lv7 2.1G 19M 1.9G 1% /u7
/dev/sr0 4.4G 4.4G 0 100% /mnt
/dev/mapper/vg_mysql-lv_mysql 7.8G 1.2G 6.2G 17% /usr/local/mysql
tmpfs 98M 12K 98M 1% /run/user/42
tmpfs 98M 0 98M 0% /run/user/0
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[root@web /]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 20G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 19G 0 part├─centos-root 253:0 0 17G 0 lvm /└─centos-swap 253:1 0 2G 0 lvm [SWAP]
sdb 8:16 0 10G 0 disk
├─sdb1 8:17 0 1G 0 part
├─sdb2 8:18 0 1G 0 part /u2
├─sdb3 8:19 0 1G 0 part
├─sdb4 8:20 0 1K 0 part
├─sdb5 8:21 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
├─sdb6 8:22 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
├─sdb7 8:23 0 1G 0 part
│ ├─vg01-lv01 253:3 0 3.1G 0 lvm
│ ├─vg01-lv02 253:4 0 120M 0 lvm
│ └─vg01-lv03 253:5 0 36M 0 lvm
├─sdb8 8:24 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
└─sdb9 8:25 0 900M 0 part└─vg9-lv9 253:2 0 800M 0 lvm
sdc 8:32 0 10G 0 disk
├─sdc1 8:33 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc2 8:34 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc3 8:35 0 1K 0 part
├─sdc5 8:37 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc6 8:38 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
└─sdc7 8:39 0 900M 0 part└─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
sdd 8:48 0 20G 0 disk
├─sdd1 8:49 0 2G 0 part
├─sdd2 8:50 0 2G 0 part
│ ├─vg1-lv1_rmeta_1 253:11 0 4M 0 lvm
│ │ └─vg1-lv1-real 253:13 0 1.5G 0 lvm
│ │ ├─vg1-lv1 253:14 0 1.5G 0 lvm
│ │ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
│ ├─vg1-lv1_rimage_1 253:12 0 1.5G 0 lvm
│ │ └─vg1-lv1-real 253:13 0 1.5G 0 lvm
│ │ ├─vg1-lv1 253:14 0 1.5G 0 lvm
│ │ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
│ └─vg1-lv1--snap-cow 253:15 0 128M 0 lvm
│ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
├─sdd3 8:51 0 2G 0 part
├─sdd4 8:52 0 1K 0 part
├─sdd5 8:53 0 2G 0 part
├─sdd6 8:54 0 2G 0 part [SWAP]
├─sdd7 8:55 0 2G 0 part
│ └─vg7-lv7 253:7 0 2.1G 0 lvm /u7
└─sdd8 8:56 0 2G 0 part├─vg7-lv7 253:7 0 2.1G 0 lvm /u7└─vg7-lv8 253:8 0 1.2G 0 lvm
sde 8:64 0 15G 0 disk
├─sde1 8:65 0 1G 0 part
│ └─vge1-lve1 253:17 0 500M 0 lvm
└─sde2 8:66 0 2G 0 part
sr0 11:0 1 4.4G 0 rom /mnt
vg1-lv1_rmeta_0 253:9 0 4M 0 lvm
└─vg1-lv1-real 253:13 0 1.5G 0 lvm├─vg1-lv1 253:14 0 1.5G 0 lvm└─vg1-lv1--snap 253:16 0 1.5G 0 lvm
vg1-lv1_rimage_0 253:10 0 1.5G 0 lvm
└─vg1-lv1-real 253:13 0 1.5G 0 lvm├─vg1-lv1 253:14 0 1.5G 0 lvm└─vg1-lv1--snap 253:16 0 1.5G 0 lvm
[root@web /]# partprobe /dev/sde
[root@web /]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 20G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 19G 0 part├─centos-root 253:0 0 17G 0 lvm /└─centos-swap 253:1 0 2G 0 lvm [SWAP]
sdb 8:16 0 10G 0 disk
├─sdb1 8:17 0 1G 0 part
├─sdb2 8:18 0 1G 0 part /u2
├─sdb3 8:19 0 1G 0 part
├─sdb4 8:20 0 1K 0 part
├─sdb5 8:21 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
├─sdb6 8:22 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
├─sdb7 8:23 0 1G 0 part
│ ├─vg01-lv01 253:3 0 3.1G 0 lvm
│ ├─vg01-lv02 253:4 0 120M 0 lvm
│ └─vg01-lv03 253:5 0 36M 0 lvm
├─sdb8 8:24 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
└─sdb9 8:25 0 900M 0 part└─vg9-lv9 253:2 0 800M 0 lvm
sdc 8:32 0 10G 0 disk
├─sdc1 8:33 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc2 8:34 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc3 8:35 0 1K 0 part
├─sdc5 8:37 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc6 8:38 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
└─sdc7 8:39 0 900M 0 part└─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
sdd 8:48 0 20G 0 disk
├─sdd1 8:49 0 2G 0 part
├─sdd2 8:50 0 2G 0 part
│ ├─vg1-lv1_rmeta_1 253:11 0 4M 0 lvm
│ │ └─vg1-lv1-real 253:13 0 1.5G 0 lvm
│ │ ├─vg1-lv1 253:14 0 1.5G 0 lvm
│ │ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
│ ├─vg1-lv1_rimage_1 253:12 0 1.5G 0 lvm
│ │ └─vg1-lv1-real 253:13 0 1.5G 0 lvm
│ │ ├─vg1-lv1 253:14 0 1.5G 0 lvm
│ │ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
│ └─vg1-lv1--snap-cow 253:15 0 128M 0 lvm
│ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
├─sdd3 8:51 0 2G 0 part
├─sdd4 8:52 0 1K 0 part
├─sdd5 8:53 0 2G 0 part
├─sdd6 8:54 0 2G 0 part [SWAP]
├─sdd7 8:55 0 2G 0 part
│ └─vg7-lv7 253:7 0 2.1G 0 lvm /u7
└─sdd8 8:56 0 2G 0 part├─vg7-lv7 253:7 0 2.1G 0 lvm /u7└─vg7-lv8 253:8 0 1.2G 0 lvm
sde 8:64 0 15G 0 disk
├─sde1 8:65 0 1G 0 part
│ └─vge1-lve1 253:17 0 500M 0 lvm
├─sde2 8:66 0 2G 0 part
└─sde3 8:67 0 1G 0 part
sr0 11:0 1 4.4G 0 rom /mnt
vg1-lv1_rmeta_0 253:9 0 4M 0 lvm
└─vg1-lv1-real 253:13 0 1.5G 0 lvm├─vg1-lv1 253:14 0 1.5G 0 lvm└─vg1-lv1--snap 253:16 0 1.5G 0 lvm
vg1-lv1_rimage_0 253:10 0 1.5G 0 lvm
└─vg1-lv1-real 253:13 0 1.5G 0 lvm├─vg1-lv1 253:14 0 1.5G 0 lvm└─vg1-lv1--snap 253:16 0 1.5G 0 lvm
[root@web /]# pvcreate /dev/sde2
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.Physical volume "/dev/sde2" successfully created.
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[root@web /]# pvmove /dev/sde1 /dev/sde2
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.Cannot change VG vg2 while PVs are missing.Consider vgreduce --removemissing.Cannot process volume group vg2Physical Volume "/dev/sde2" not found in Volume Group "vge1".
[root@web /]# vgextend vge1 /dev/vge2
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.Device /dev/vge2 not found.
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[root@web /]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 20G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 19G 0 part├─centos-root 253:0 0 17G 0 lvm /└─centos-swap 253:1 0 2G 0 lvm [SWAP]
sdb 8:16 0 10G 0 disk
├─sdb1 8:17 0 1G 0 part
├─sdb2 8:18 0 1G 0 part /u2
├─sdb3 8:19 0 1G 0 part
├─sdb4 8:20 0 1K 0 part
├─sdb5 8:21 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
├─sdb6 8:22 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
├─sdb7 8:23 0 1G 0 part
│ ├─vg01-lv01 253:3 0 3.1G 0 lvm
│ ├─vg01-lv02 253:4 0 120M 0 lvm
│ └─vg01-lv03 253:5 0 36M 0 lvm
├─sdb8 8:24 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
└─sdb9 8:25 0 900M 0 part└─vg9-lv9 253:2 0 800M 0 lvm
sdc 8:32 0 10G 0 disk
├─sdc1 8:33 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc2 8:34 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc3 8:35 0 1K 0 part
├─sdc5 8:37 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc6 8:38 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
└─sdc7 8:39 0 900M 0 part└─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
sdd 8:48 0 20G 0 disk
├─sdd1 8:49 0 2G 0 part
├─sdd2 8:50 0 2G 0 part
│ ├─vg1-lv1_rmeta_1 253:11 0 4M 0 lvm
│ │ └─vg1-lv1-real 253:13 0 1.5G 0 lvm
│ │ ├─vg1-lv1 253:14 0 1.5G 0 lvm
│ │ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
│ ├─vg1-lv1_rimage_1 253:12 0 1.5G 0 lvm
│ │ └─vg1-lv1-real 253:13 0 1.5G 0 lvm
│ │ ├─vg1-lv1 253:14 0 1.5G 0 lvm
│ │ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
│ └─vg1-lv1--snap-cow 253:15 0 128M 0 lvm
│ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
├─sdd3 8:51 0 2G 0 part
├─sdd4 8:52 0 1K 0 part
├─sdd5 8:53 0 2G 0 part
├─sdd6 8:54 0 2G 0 part [SWAP]
├─sdd7 8:55 0 2G 0 part
│ └─vg7-lv7 253:7 0 2.1G 0 lvm /u7
└─sdd8 8:56 0 2G 0 part├─vg7-lv7 253:7 0 2.1G 0 lvm /u7└─vg7-lv8 253:8 0 1.2G 0 lvm
sde 8:64 0 15G 0 disk
├─sde1 8:65 0 1G 0 part
│ └─vge1-lve1 253:17 0 500M 0 lvm
├─sde2 8:66 0 2G 0 part
└─sde3 8:67 0 1G 0 part
sr0 11:0 1 4.4G 0 rom /mnt
vg1-lv1_rmeta_0 253:9 0 4M 0 lvm
└─vg1-lv1-real 253:13 0 1.5G 0 lvm├─vg1-lv1 253:14 0 1.5G 0 lvm└─vg1-lv1--snap 253:16 0 1.5G 0 lvm
vg1-lv1_rimage_0 253:10 0 1.5G 0 lvm
└─vg1-lv1-real 253:13 0 1.5G 0 lvm├─vg1-lv1 253:14 0 1.5G 0 lvm└─vg1-lv1--snap 253:16 0 1.5G 0 lvm
[root@web /]# vgextend vge1 /dev/sde2
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.Volume group "vge1" successfully extended
[root@web /]# pvmove /dev/sde1 /dev/sde2
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.Cannot change VG vg2 while PVs are missing.Consider vgreduce --removemissing.Cannot process volume group vg2/dev/sde1: Moved: 6.40%/dev/sde1: Moved: 100.00%
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[root@web /]# lvdisplay /dev/sde2
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentVolume group "sde2" not foundCannot process volume group sde2
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[root@web /]# pvdisplay /dev/sde2
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.--- Physical volume ---PV Name /dev/sde2VG Name vge1PV Size 2.00 GiB / not usable 4.00 MiBAllocatable yesPE Size 4.00 MiBTotal PE 511Free PE 386Allocated PE 125PV UUID WjSobu-1tAu-MGzB-tyXS-8I5f-PVC0-gllBHI[root@web /]# fdisk /dev/sde
欢迎使用 fdisk (util-linux 2.23.2)。更改将停留在内存中，直到您决定将更改写入磁盘。
使用写入命令前请三思。命令(输入 m 获取帮助)：p磁盘 /dev/sde：16.1 GB, 16106127360 字节，31457280 个扇区
Units = 扇区 of 1 * 512 = 512 bytes
扇区大小(逻辑/物理)：512 字节 / 512 字节
I/O 大小(最小/最佳)：512 字节 / 512 字节
磁盘标签类型：dos
磁盘标识符：0xfdc595c2设备 Boot Start End Blocks Id System
/dev/sde1 2048 2099199 1048576 83 Linux
/dev/sde2 2099200 6293503 2097152 83 Linux
/dev/sde3 6293504 8390655 1048576 83 Linux命令(输入 m 获取帮助)：n
Partition type:p primary (3 primary, 0 extended, 1 free)e extended
Select (default e): e
已选择分区 4
起始 扇区 (8390656-31457279，默认为 8390656)：
将使用默认值 8390656
Last 扇区, +扇区 or +size{K,M,G} (8390656-31457279，默认为 31457279)：+10G
分区 4 已设置为 Extended 类型，大小设为 10 GiB命令(输入 m 获取帮助)：P磁盘 /dev/sde：16.1 GB, 16106127360 字节，31457280 个扇区
Units = 扇区 of 1 * 512 = 512 bytes
扇区大小(逻辑/物理)：512 字节 / 512 字节
I/O 大小(最小/最佳)：512 字节 / 512 字节
磁盘标签类型：dos
磁盘标识符：0xfdc595c2设备 Boot Start End Blocks Id System
/dev/sde1 2048 2099199 1048576 83 Linux
/dev/sde2 2099200 6293503 2097152 83 Linux
/dev/sde3 6293504 8390655 1048576 83 Linux
/dev/sde4 8390656 29362175 10485760 5 Extended命令(输入 m 获取帮助)：n
All primary partitions are in use
添加逻辑分区 5
起始 扇区 (8392704-29362175，默认为 8392704)：
将使用默认值 8392704
Last 扇区, +扇区 or +size{K,M,G} (8392704-29362175，默认为 29362175)：+500M
分区 5 已设置为 Linux 类型，大小设为 500 MiB命令(输入 m 获取帮助)：n
All primary partitions are in use
添加逻辑分区 6
起始 扇区 (9418752-29362175，默认为 9418752)：
将使用默认值 9418752
Last 扇区, +扇区 or +size{K,M,G} (9418752-29362175，默认为 29362175)：+1G
分区 6 已设置为 Linux 类型，大小设为 1 GiB命令(输入 m 获取帮助)：W
The partition table has been altered!Calling ioctl() to re-read partition table.WARNING: Re-reading the partition table failed with error 16: 设备或资源忙.
The kernel still uses the old table. The new table will be used at
the next reboot or after you run partprobe(8) or kpartx(8)
正在同步磁盘。
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[root@web /]# DF -H
bash: DF: 未找到命令...
相似命令是： 'df'
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[root@web /]# df -h
文件系统 容量 已用 可用 已用% 挂载点
devtmpfs 470M 0 470M 0% /dev
tmpfs 487M 0 487M 0% /dev/shm
tmpfs 487M 8.5M 478M 2% /run
tmpfs 487M 0 487M 0% /sys/fs/cgroup
/dev/mapper/centos-root 17G 17G 605M 97% /
/dev/sdb2 976M 2.6M 907M 1% /u2
/dev/sda1 1014M 172M 843M 17% /boot
/dev/mapper/vg7-lv7 2.1G 19M 1.9G 1% /u7
/dev/sr0 4.4G 4.4G 0 100% /mnt
/dev/mapper/vg_mysql-lv_mysql 7.8G 1.2G 6.2G 17% /usr/local/mysql
tmpfs 98M 12K 98M 1% /run/user/42
tmpfs 98M 0 98M 0% /run/user/0
[root@web /]# partprobe /dev/sde
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[root@web /]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 20G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 19G 0 part├─centos-root 253:0 0 17G 0 lvm /└─centos-swap 253:1 0 2G 0 lvm [SWAP]
sdb 8:16 0 10G 0 disk
├─sdb1 8:17 0 1G 0 part
├─sdb2 8:18 0 1G 0 part /u2
├─sdb3 8:19 0 1G 0 part
├─sdb4 8:20 0 1K 0 part
├─sdb5 8:21 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
├─sdb6 8:22 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
├─sdb7 8:23 0 1G 0 part
│ ├─vg01-lv01 253:3 0 3.1G 0 lvm
│ ├─vg01-lv02 253:4 0 120M 0 lvm
│ └─vg01-lv03 253:5 0 36M 0 lvm
├─sdb8 8:24 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
└─sdb9 8:25 0 900M 0 part└─vg9-lv9 253:2 0 800M 0 lvm
sdc 8:32 0 10G 0 disk
├─sdc1 8:33 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc2 8:34 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc3 8:35 0 1K 0 part
├─sdc5 8:37 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc6 8:38 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
└─sdc7 8:39 0 900M 0 part└─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
sdd 8:48 0 20G 0 disk
├─sdd1 8:49 0 2G 0 part
├─sdd2 8:50 0 2G 0 part
│ ├─vg1-lv1_rmeta_1 253:11 0 4M 0 lvm
│ │ └─vg1-lv1-real 253:13 0 1.5G 0 lvm
│ │ ├─vg1-lv1 253:14 0 1.5G 0 lvm
│ │ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
│ ├─vg1-lv1_rimage_1 253:12 0 1.5G 0 lvm
│ │ └─vg1-lv1-real 253:13 0 1.5G 0 lvm
│ │ ├─vg1-lv1 253:14 0 1.5G 0 lvm
│ │ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
│ └─vg1-lv1--snap-cow 253:15 0 128M 0 lvm
│ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
├─sdd3 8:51 0 2G 0 part
├─sdd4 8:52 0 1K 0 part
├─sdd5 8:53 0 2G 0 part
├─sdd6 8:54 0 2G 0 part [SWAP]
├─sdd7 8:55 0 2G 0 part
│ └─vg7-lv7 253:7 0 2.1G 0 lvm /u7
└─sdd8 8:56 0 2G 0 part├─vg7-lv7 253:7 0 2.1G 0 lvm /u7└─vg7-lv8 253:8 0 1.2G 0 lvm
sde 8:64 0 15G 0 disk
├─sde1 8:65 0 1G 0 part
├─sde2 8:66 0 2G 0 part
│ └─vge1-lve1 253:17 0 500M 0 lvm
├─sde3 8:67 0 1G 0 part
├─sde4 8:68 0 512B 0 part
├─sde5 8:69 0 500M 0 part
└─sde6 8:70 0 1G 0 part
sr0 11:0 1 4.4G 0 rom /mnt
vg1-lv1_rmeta_0 253:9 0 4M 0 lvm
└─vg1-lv1-real 253:13 0 1.5G 0 lvm├─vg1-lv1 253:14 0 1.5G 0 lvm└─vg1-lv1--snap 253:16 0 1.5G 0 lvm
vg1-lv1_rimage_0 253:10 0 1.5G 0 lvm
└─vg1-lv1-real 253:13 0 1.5G 0 lvm├─vg1-lv1 253:14 0 1.5G 0 lvm└─vg1-lv1--snap 253:16 0 1.5G 0 lvm
[root@web /]# ls -l /ue1
ls: 无法访问/ue1: 没有那个文件或目录
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[root@web /]# ls -d /ue1
ls: 无法访问/ue1: 没有那个文件或目录
[root@web /]# ll -d /ue1
ls: 无法访问/ue1: 没有那个文件或目录
[root@web /]# ll -d /e1
drwxr-xr-x 2 root root 6 7月 24 19:44 /e1
[root@web /]# vgs
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.VG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 4 3 0 wz--n- 3.98g 764.00mvg1 2 2 1 wz--n- 3.99g 2.36gvg2 2 0 0 wz-pn- 3.99g 3.99gvg7 2 2 0 wz--n- 3.99g 708.00mvg9 1 1 0 wz--n- 896.00m 96.00mvg_mysql 5 1 0 wz--n- <8.86g 880.00mvge1 2 1 0 wz--n- 2.99g 2.50g
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[root@web /]# pvcreate /dev/sde3
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.Physical volume "/dev/sde3" successfully created.
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[root@web /]# vgextend /dev/sde3 vge1
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.Device vge1 not found.
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[root@web /]# vgextend vge1 /dev/sde3
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.Volume group "vge1" successfully extended
[root@web /]# vgs
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.VG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 4 3 0 wz--n- 3.98g 764.00mvg1 2 2 1 wz--n- 3.99g 2.36gvg2 2 0 0 wz-pn- 3.99g 3.99gvg7 2 2 0 wz--n- 3.99g 708.00mvg9 1 1 0 wz--n- 896.00m 96.00mvg_mysql 5 1 0 wz--n- <8.86g 880.00mvge1 3 1 0 wz--n- <3.99g 3.50g
[root@web /]# ll -d /e1
drwxr-xr-x 2 root root 6 7月 24 19:44 /e1
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[root@web /]# ls /e1
[root@web /]# ll /e1
总用量 0
[root@web /]# ll -d /e1
drwxr-xr-x 2 root root 6 7月 24 19:44 /e1
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[root@web /]# ls /
1.java 35.txt 5.java bin cc.conf date etc java media oo .pcapng rhe16.iso run shop tmp u06 u2 uc1 var
2041 3.java app boot code dev file3.java lib mmt opt rhome samba srv u01 u07 u3 usr www
2.java 4.java app1 boot.bak data e1 home lib64 mnt proc root sbin sys u03 u1 u7 ut1
[root@web /]# ll -d /app
drwxr-xr-x. 3 root root 46 6月 14 19:07 /app
[root@web /]# ll -d /2041
drwxr-xr-x. 2 root root 159 6月 14 21:01 /2041
[root@web /]# du sh /e1
du: 无法访问"sh": 没有那个文件或目录
0 /e1
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[root@web /]# du -sh /e1
0 /e1
[root@web /]# mount /dev/vge1/lve1 /e1
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[root@web /]# du -sh /e1
13K /e1
[root@web /]# df -h
文件系统 容量 已用 可用 已用% 挂载点
devtmpfs 470M 0 470M 0% /dev
tmpfs 487M 0 487M 0% /dev/shm
tmpfs 487M 8.5M 478M 2% /run
tmpfs 487M 0 487M 0% /sys/fs/cgroup
/dev/mapper/centos-root 17G 17G 605M 97% /
/dev/sdb2 976M 2.6M 907M 1% /u2
/dev/sda1 1014M 172M 843M 17% /boot
/dev/mapper/vg7-lv7 2.1G 19M 1.9G 1% /u7
/dev/sr0 4.4G 4.4G 0 100% /mnt
/dev/mapper/vg_mysql-lv_mysql 7.8G 1.2G 6.2G 17% /usr/local/mysql
tmpfs 98M 12K 98M 1% /run/user/42
tmpfs 98M 0 98M 0% /run/user/0
/dev/mapper/vge1-lve1 477M 2.3M 445M 1% /e1
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[root@web /]# vgs
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.VG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 4 3 0 wz--n- 3.98g 764.00mvg1 2 2 1 wz--n- 3.99g 2.36gvg2 2 0 0 wz-pn- 3.99g 3.99gvg7 2 2 0 wz--n- 3.99g 708.00mvg9 1 1 0 wz--n- 896.00m 96.00mvg_mysql 5 1 0 wz--n- <8.86g 880.00mvge1 3 1 0 wz--n- <3.99g 3.50g
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[root@web /]# vgs
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.VG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 4 3 0 wz--n- 3.98g 764.00mvg1 2 2 1 wz--n- 3.99g 2.36gvg2 2 0 0 wz-pn- 3.99g 3.99gvg7 2 2 0 wz--n- 3.99g 708.00mvg9 1 1 0 wz--n- 896.00m 96.00mvg_mysql 5 1 0 wz--n- <8.86g 880.00mvge1 3 1 0 wz--n- <3.99g 3.50g
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[root@web /]# lvdisplay /dev/vge1/lve1
WARNING: Ignoring duplicate config value: snapshot_autoextend_percent--- Logical volume ---LV Path /dev/vge1/lve1LV Name lve1VG Name vge1LV UUID 5E3jgY-WObk-O26F-4BlT-0Etg-ADm5-SYpE2kLV Write Access read/writeLV Creation host, time web.cn, 2025-07-24 19:42:21 +0800LV Status available# open 1LV Size 500.00 MiBCurrent LE 125Segments 1Allocation inheritRead ahead sectors auto- currently set to 8192Block device 253:17您在 /var/spool/mail/root 中有邮件
[root@web /]# kvs
bash: kvs: 未找到命令...
[root@web /]# lvs
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertroot centos -wi-ao---- <17.00gswap centos -wi-ao---- 2.00glv01 vg01 -wi-a----- <3.09glv02 vg01 -wi-a----- 120.00mlv03 vg01 -wi-a----- 36.00mlv1 vg1 owi-a-r-r- 1.50g 100.00lv1-snap vg1 swi-a-s--- 128.00m lv1 23.59lv7 vg7 -wi-ao---- <2.10glv8 vg7 -wi-a----- 1.20glv9 vg9 -wi-a----- 800.00mlv_mysql vg_mysql -wi-ao---- 8.00glve1 vge1 -wi-ao---- 500.00m
[root@web /]# lvextend -L 3G /dev/vge1/lve1
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentSize of logical volume vge1/lve1 changed from 500.00 MiB (125 extents) to 3.00 GiB (768 extents).Logical volume vge1/lve1 successfully resized.
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[root@web /]# lvs
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertroot centos -wi-ao---- <17.00gswap centos -wi-ao---- 2.00glv01 vg01 -wi-a----- <3.09glv02 vg01 -wi-a----- 120.00mlv03 vg01 -wi-a----- 36.00mlv1 vg1 owi-a-r-r- 1.50g 100.00lv1-snap vg1 swi-a-s--- 128.00m lv1 23.59lv7 vg7 -wi-ao---- <2.10glv8 vg7 -wi-a----- 1.20glv9 vg9 -wi-a----- 800.00mlv_mysql vg_mysql -wi-ao---- 8.00glve1 vge1 -wi-ao---- 3.00g
[root@web /]# ll -d /ue1
ls: 无法访问/ue1: 没有那个文件或目录
[root@web /]# ll -d /e1
drwxr-xr-x 3 root root 1024 7月 24 20:08 /e1
[root@web /]# df -sh /e1
df：无效选项 -- s
Try 'df --help' for more information.
[root@web /]# df -sh /e1
df：无效选项 -- s
Try 'df --help' for more information.
[root@web /]# df -h
文件系统 容量 已用 可用 已用% 挂载点
devtmpfs 470M 0 470M 0% /dev
tmpfs 487M 0 487M 0% /dev/shm
tmpfs 487M 15M 472M 3% /run
tmpfs 487M 0 487M 0% /sys/fs/cgroup
/dev/mapper/centos-root 17G 17G 605M 97% /
/dev/sdb2 976M 2.6M 907M 1% /u2
/dev/sda1 1014M 172M 843M 17% /boot
/dev/mapper/vg7-lv7 2.1G 19M 1.9G 1% /u7
/dev/sr0 4.4G 4.4G 0 100% /mnt
/dev/mapper/vg_mysql-lv_mysql 7.8G 1.2G 6.2G 17% /usr/local/mysql
tmpfs 98M 12K 98M 1% /run/user/42
tmpfs 98M 0 98M 0% /run/user/0
/dev/mapper/vge1-lve1 477M 2.3M 445M 1% /e1
[root@web /]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 20G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 19G 0 part├─centos-root 253:0 0 17G 0 lvm /└─centos-swap 253:1 0 2G 0 lvm [SWAP]
sdb 8:16 0 10G 0 disk
├─sdb1 8:17 0 1G 0 part
├─sdb2 8:18 0 1G 0 part /u2
├─sdb3 8:19 0 1G 0 part
├─sdb4 8:20 0 1K 0 part
├─sdb5 8:21 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
├─sdb6 8:22 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
├─sdb7 8:23 0 1G 0 part
│ ├─vg01-lv01 253:3 0 3.1G 0 lvm
│ ├─vg01-lv02 253:4 0 120M 0 lvm
│ └─vg01-lv03 253:5 0 36M 0 lvm
├─sdb8 8:24 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
└─sdb9 8:25 0 900M 0 part└─vg9-lv9 253:2 0 800M 0 lvm
sdc 8:32 0 10G 0 disk
├─sdc1 8:33 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc2 8:34 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc3 8:35 0 1K 0 part
├─sdc5 8:37 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc6 8:38 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
└─sdc7 8:39 0 900M 0 part└─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
sdd 8:48 0 20G 0 disk
├─sdd1 8:49 0 2G 0 part
├─sdd2 8:50 0 2G 0 part
│ ├─vg1-lv1_rmeta_1 253:11 0 4M 0 lvm
│ │ └─vg1-lv1-real 253:13 0 1.5G 0 lvm
│ │ ├─vg1-lv1 253:14 0 1.5G 0 lvm
│ │ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
│ ├─vg1-lv1_rimage_1 253:12 0 1.5G 0 lvm
│ │ └─vg1-lv1-real 253:13 0 1.5G 0 lvm
│ │ ├─vg1-lv1 253:14 0 1.5G 0 lvm
│ │ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
│ └─vg1-lv1--snap-cow 253:15 0 128M 0 lvm
│ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
├─sdd3 8:51 0 2G 0 part
├─sdd4 8:52 0 1K 0 part
├─sdd5 8:53 0 2G 0 part
├─sdd6 8:54 0 2G 0 part [SWAP]
├─sdd7 8:55 0 2G 0 part
│ └─vg7-lv7 253:7 0 2.1G 0 lvm /u7
└─sdd8 8:56 0 2G 0 part├─vg7-lv7 253:7 0 2.1G 0 lvm /u7└─vg7-lv8 253:8 0 1.2G 0 lvm
sde 8:64 0 15G 0 disk
├─sde1 8:65 0 1G 0 part
│ └─vge1-lve1 253:17 0 3G 0 lvm /e1
├─sde2 8:66 0 2G 0 part
│ └─vge1-lve1 253:17 0 3G 0 lvm /e1
├─sde3 8:67 0 1G 0 part
│ └─vge1-lve1 253:17 0 3G 0 lvm /e1
├─sde4 8:68 0 512B 0 part
├─sde5 8:69 0 500M 0 part
└─sde6 8:70 0 1G 0 part
sr0 11:0 1 4.4G 0 rom /mnt
vg1-lv1_rmeta_0 253:9 0 4M 0 lvm
└─vg1-lv1-real 253:13 0 1.5G 0 lvm├─vg1-lv1 253:14 0 1.5G 0 lvm└─vg1-lv1--snap 253:16 0 1.5G 0 lvm
vg1-lv1_rimage_0 253:10 0 1.5G 0 lvm
└─vg1-lv1-real 253:13 0 1.5G 0 lvm├─vg1-lv1 253:14 0 1.5G 0 lvm└─vg1-lv1--snap 253:16 0 1.5G 0 lvm
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[root@web /]# vgs
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.VG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 4 3 0 wz--n- 3.98g 764.00mvg1 2 2 1 wz--n- 3.99g 2.36gvg2 2 0 0 wz-pn- 3.99g 3.99gvg7 2 2 0 wz--n- 3.99g 708.00mvg9 1 1 0 wz--n- 896.00m 96.00mvg_mysql 5 1 0 wz--n- <8.86g 880.00mvge1 3 1 0 wz--n- <3.99g 1012.00m
[root@web /]# resize2fs /dev/vge1/lve1
resize2fs 1.42.9 (28-Dec-2013)
Filesystem at /dev/vge1/lve1 is mounted on /e1; on-line resizing required
old_desc_blocks = 4, new_desc_blocks = 24
The filesystem on /dev/vge1/lve1 is now 3145728 blocks long.您在 /var/spool/mail/root 中有邮件
[root@web /]# vgs
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.VG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 4 3 0 wz--n- 3.98g 764.00mvg1 2 2 1 wz--n- 3.99g 2.36gvg2 2 0 0 wz-pn- 3.99g 3.99gvg7 2 2 0 wz--n- 3.99g 708.00mvg9 1 1 0 wz--n- 896.00m 96.00mvg_mysql 5 1 0 wz--n- <8.86g 880.00mvge1 3 1 0 wz--n- <3.99g 1012.00m
[root@web /]# lvs
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertroot centos -wi-ao---- <17.00gswap centos -wi-ao---- 2.00glv01 vg01 -wi-a----- <3.09glv02 vg01 -wi-a----- 120.00mlv03 vg01 -wi-a----- 36.00mlv1 vg1 owi-a-r-r- 1.50g 100.00lv1-snap vg1 swi-a-s--- 128.00m lv1 23.59lv7 vg7 -wi-ao---- <2.10glv8 vg7 -wi-a----- 1.20glv9 vg9 -wi-a----- 800.00mlv_mysql vg_mysql -wi-ao---- 8.00glve1 vge1 -wi-ao---- 3.00g
[root@web /]# df -h
文件系统 容量 已用 可用 已用% 挂载点
devtmpfs 470M 0 470M 0% /dev
tmpfs 487M 0 487M 0% /dev/shm
tmpfs 487M 15M 472M 3% /run
tmpfs 487M 0 487M 0% /sys/fs/cgroup
/dev/mapper/centos-root 17G 17G 605M 97% /
/dev/sdb2 976M 2.6M 907M 1% /u2
/dev/sda1 1014M 172M 843M 17% /boot
/dev/mapper/vg7-lv7 2.1G 19M 1.9G 1% /u7
/dev/sr0 4.4G 4.4G 0 100% /mnt
/dev/mapper/vg_mysql-lv_mysql 7.8G 1.2G 6.2G 17% /usr/local/mysql
tmpfs 98M 12K 98M 1% /run/user/42
tmpfs 98M 0 98M 0% /run/user/0
/dev/mapper/vge1-lve1 2.9G 3.1M 2.8G 1% /e1
[root@web /]# ll -d /e1
drwxr-xr-x 3 root root 1024 7月 24 20:08 /e1
[root@web /]# df -hT | grep /e1
/dev/mapper/vge1-lve1 ext4 2.9G 3.1M 2.8G 1% /e1
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[root@web /]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 20G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 19G 0 part├─centos-root 253:0 0 17G 0 lvm /└─centos-swap 253:1 0 2G 0 lvm [SWAP]
sdb 8:16 0 10G 0 disk
├─sdb1 8:17 0 1G 0 part
├─sdb2 8:18 0 1G 0 part /u2
├─sdb3 8:19 0 1G 0 part
├─sdb4 8:20 0 1K 0 part
├─sdb5 8:21 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
├─sdb6 8:22 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
├─sdb7 8:23 0 1G 0 part
│ ├─vg01-lv01 253:3 0 3.1G 0 lvm
│ ├─vg01-lv02 253:4 0 120M 0 lvm
│ └─vg01-lv03 253:5 0 36M 0 lvm
├─sdb8 8:24 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
└─sdb9 8:25 0 900M 0 part└─vg9-lv9 253:2 0 800M 0 lvm
sdc 8:32 0 10G 0 disk
├─sdc1 8:33 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc2 8:34 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc3 8:35 0 1K 0 part
├─sdc5 8:37 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc6 8:38 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
└─sdc7 8:39 0 900M 0 part└─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
sdd 8:48 0 20G 0 disk
├─sdd1 8:49 0 2G 0 part
├─sdd2 8:50 0 2G 0 part
│ ├─vg1-lv1_rmeta_1 253:11 0 4M 0 lvm
│ │ └─vg1-lv1-real 253:13 0 1.5G 0 lvm
│ │ ├─vg1-lv1 253:14 0 1.5G 0 lvm
│ │ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
│ ├─vg1-lv1_rimage_1 253:12 0 1.5G 0 lvm
│ │ └─vg1-lv1-real 253:13 0 1.5G 0 lvm
│ │ ├─vg1-lv1 253:14 0 1.5G 0 lvm
│ │ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
│ └─vg1-lv1--snap-cow 253:15 0 128M 0 lvm
│ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
├─sdd3 8:51 0 2G 0 part
├─sdd4 8:52 0 1K 0 part
├─sdd5 8:53 0 2G 0 part
├─sdd6 8:54 0 2G 0 part [SWAP]
├─sdd7 8:55 0 2G 0 part
│ └─vg7-lv7 253:7 0 2.1G 0 lvm /u7
└─sdd8 8:56 0 2G 0 part├─vg7-lv7 253:7 0 2.1G 0 lvm /u7└─vg7-lv8 253:8 0 1.2G 0 lvm
sde 8:64 0 15G 0 disk
├─sde1 8:65 0 1G 0 part
│ └─vge1-lve1 253:17 0 3G 0 lvm /e1
├─sde2 8:66 0 2G 0 part
│ └─vge1-lve1 253:17 0 3G 0 lvm /e1
├─sde3 8:67 0 1G 0 part
│ └─vge1-lve1 253:17 0 3G 0 lvm /e1
├─sde4 8:68 0 512B 0 part
├─sde5 8:69 0 500M 0 part
└─sde6 8:70 0 1G 0 part
sr0 11:0 1 4.4G 0 rom /mnt
vg1-lv1_rmeta_0 253:9 0 4M 0 lvm
└─vg1-lv1-real 253:13 0 1.5G 0 lvm├─vg1-lv1 253:14 0 1.5G 0 lvm└─vg1-lv1--snap 253:16 0 1.5G 0 lvm
vg1-lv1_rimage_0 253:10 0 1.5G 0 lvm
└─vg1-lv1-real 253:13 0 1.5G 0 lvm├─vg1-lv1 253:14 0 1.5G 0 lvm└─vg1-lv1--snap 253:16 0 1.5G 0 lvm
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[root@web /]# pvcreate /dev/sde6
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.Physical volume "/dev/sde6" successfully created.
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[root@web /]# vgcreate -s 8M vge6 /dev/sde6
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.Volume group "vge6" successfully created
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[root@web /]# vgs
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.VG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 4 3 0 wz--n- 3.98g 764.00mvg1 2 2 1 wz--n- 3.99g 2.36gvg2 2 0 0 wz-pn- 3.99g 3.99gvg7 2 2 0 wz--n- 3.99g 708.00mvg9 1 1 0 wz--n- 896.00m 96.00mvg_mysql 5 1 0 wz--n- <8.86g 880.00mvge1 3 1 0 wz--n- <3.99g 1012.00mvge6 1 0 0 wz--n- 1016.00m 1016.00m
[root@web /]# lvcreate -n lve6 -l50 vge6
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentLogical volume "lve6" created.
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[root@web /]# mkfs.ext3 /dev/vge6/lve6
mke2fs 1.42.9 (28-Dec-2013)
文件系统标签=
OS type: Linux
块大小=1024 (log=0)
分块大小=1024 (log=0)
Stride=0 blocks, Stripe width=0 blocks
102400 inodes, 409600 blocks
20480 blocks (5.00%) reserved for the super user
第一个数据块=1
Maximum filesystem blocks=67633152
50 block groups
8192 blocks per group, 8192 fragments per group
2048 inodes per group
Superblock backups stored on blocks:8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409Allocating group tables: 完成
正在写入inode表: 完成
Creating journal (8192 blocks): 完成
Writing superblocks and filesystem accounting information: 完成[root@web /]# lvdisplay /dev/vge6/lve6
WARNING: Ignoring duplicate config value: snapshot_autoextend_percent--- Logical volume ---LV Path /dev/vge6/lve6LV Name lve6VG Name vge6LV UUID QVyvhw-zHap-6Uc5-Yl5J-HB9V-kPnD-hWYpuWLV Write Access read/writeLV Creation host, time web.cn, 2025-07-24 22:18:22 +0800LV Status available# open 0LV Size 400.00 MiBCurrent LE 50Segments 1Allocation inheritRead ahead sectors auto- currently set to 8192Block device 253:18您在 /var/spool/mail/root 中有邮件
[root@web /]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 20G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 19G 0 part├─centos-root 253:0 0 17G 0 lvm /└─centos-swap 253:1 0 2G 0 lvm [SWAP]
sdb 8:16 0 10G 0 disk
├─sdb1 8:17 0 1G 0 part
├─sdb2 8:18 0 1G 0 part /u2
├─sdb3 8:19 0 1G 0 part
├─sdb4 8:20 0 1K 0 part
├─sdb5 8:21 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
├─sdb6 8:22 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
├─sdb7 8:23 0 1G 0 part
│ ├─vg01-lv01 253:3 0 3.1G 0 lvm
│ ├─vg01-lv02 253:4 0 120M 0 lvm
│ └─vg01-lv03 253:5 0 36M 0 lvm
├─sdb8 8:24 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
└─sdb9 8:25 0 900M 0 part└─vg9-lv9 253:2 0 800M 0 lvm
sdc 8:32 0 10G 0 disk
├─sdc1 8:33 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc2 8:34 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc3 8:35 0 1K 0 part
├─sdc5 8:37 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc6 8:38 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
└─sdc7 8:39 0 900M 0 part└─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
sdd 8:48 0 20G 0 disk
├─sdd1 8:49 0 2G 0 part
├─sdd2 8:50 0 2G 0 part
│ ├─vg1-lv1_rmeta_1 253:11 0 4M 0 lvm
│ │ └─vg1-lv1-real 253:13 0 1.5G 0 lvm
│ │ ├─vg1-lv1 253:14 0 1.5G 0 lvm
│ │ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
│ ├─vg1-lv1_rimage_1 253:12 0 1.5G 0 lvm
│ │ └─vg1-lv1-real 253:13 0 1.5G 0 lvm
│ │ ├─vg1-lv1 253:14 0 1.5G 0 lvm
│ │ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
│ └─vg1-lv1--snap-cow 253:15 0 128M 0 lvm
│ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
├─sdd3 8:51 0 2G 0 part
├─sdd4 8:52 0 1K 0 part
├─sdd5 8:53 0 2G 0 part
├─sdd6 8:54 0 2G 0 part [SWAP]
├─sdd7 8:55 0 2G 0 part
│ └─vg7-lv7 253:7 0 2.1G 0 lvm /u7
└─sdd8 8:56 0 2G 0 part├─vg7-lv7 253:7 0 2.1G 0 lvm /u7└─vg7-lv8 253:8 0 1.2G 0 lvm
sde 8:64 0 15G 0 disk
├─sde1 8:65 0 1G 0 part
│ └─vge1-lve1 253:17 0 3G 0 lvm /e1
├─sde2 8:66 0 2G 0 part
│ └─vge1-lve1 253:17 0 3G 0 lvm /e1
├─sde3 8:67 0 1G 0 part
│ └─vge1-lve1 253:17 0 3G 0 lvm /e1
├─sde4 8:68 0 512B 0 part
├─sde5 8:69 0 500M 0 part
└─sde6 8:70 0 1G 0 part└─vge6-lve6 253:18 0 400M 0 lvm
sr0 11:0 1 4.4G 0 rom /mnt
vg1-lv1_rmeta_0 253:9 0 4M 0 lvm
└─vg1-lv1-real 253:13 0 1.5G 0 lvm├─vg1-lv1 253:14 0 1.5G 0 lvm└─vg1-lv1--snap 253:16 0 1.5G 0 lvm
vg1-lv1_rimage_0 253:10 0 1.5G 0 lvm
└─vg1-lv1-real 253:13 0 1.5G 0 lvm├─vg1-lv1 253:14 0 1.5G 0 lvm└─vg1-lv1--snap 253:16 0 1.5G 0 lvm
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[root@web /]# mkdir /ue6
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[root@web /]# mount /dev/vge6/lve6 /ue6
[root@web /]# echo "mount /dev/vge6/lve6 /ue6">>/etc/rc.local
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[root@web /]# cat /etc/rc.local
#!/bin/bash
# THIS FILE IS ADDED FOR COMPATIBILITY PURPOSES
#
# It is highly advisable to create own systemd services or udev rules
# to run scripts during boot instead of using this file.
#
# In contrast to previous versions due to parallel execution during boot
# this script will NOT be run after all other services.
#
# Please note that you must run 'chmod +x /etc/rc.d/rc.local' to ensure
# that this script will be executed during boot.touch /var/lock/subsys/local
mount -o ro /dev/sr0 /mnt
mount /dev/vg_mysql/lv_mysql /usr/local/mysql/
mount /dev/vge6/lve6 /ue6
[root@web /]# ll -d /etc/rc.local
lrwxrwxrwx. 1 root root 13 4月 19 17:14 /etc/rc.local -> rc.d/rc.local
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[root@web /]# yum install mdadm -y
已加载插件：fastestmirror, langpacks
Loading mirror speeds from cached hostfile
local | 3.6 kB 00:00:00
软件包 mdadm-4.1-6.el7.x86_64 已安装并且是最新版本
无须任何处理
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[root@web /]# pvs
WARNING: Ignoring duplicate config value: snapshot_autoextend_percentWARNING: Device for PV r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX not found or rejected by a filter.Couldn't find device with uuid r1noGN-Dn5A-udh3-qROp-C2Tj-HSil-AMqIZX.PV VG Fmt Attr PSize PFree/dev/sda2 centos lvm2 a-- <19.00g 0/dev/sdb5 vg01 lvm2 a-- 1020.00m 724.00m/dev/sdb6 vg01 lvm2 a-- 1020.00m 0/dev/sdb7 vg01 lvm2 a-- 1020.00m 40.00m/dev/sdb8 vg01 lvm2 a-- 1020.00m 0/dev/sdb9 vg9 lvm2 a-- 896.00m 96.00m/dev/sdc1 vg_mysql lvm2 a-- <2.00g 0/dev/sdc2 vg_mysql lvm2 a-- <2.00g 0/dev/sdc5 vg_mysql lvm2 a-- <2.00g 0/dev/sdc6 vg_mysql lvm2 a-- <2.00g 0/dev/sdc7 vg_mysql lvm2 a-- 896.00m 880.00m/dev/sdd1 vg1 lvm2 a-- <2.00g <2.00g/dev/sdd2 vg1 lvm2 a-- <2.00g 376.00m/dev/sdd5 vg2 lvm2 a-- <2.00g <2.00g/dev/sdd7 vg7 lvm2 a-- <2.00g 0/dev/sdd8 vg7 lvm2 a-- <2.00g 708.00m/dev/sde1 vge1 lvm2 a-- 1020.00m 0/dev/sde2 vge1 lvm2 a-- <2.00g 0/dev/sde3 vge1 lvm2 a-- 1020.00m 1012.00m/dev/sde6 vge6 lvm2 a-- 1016.00m 616.00m[unknown] vg2 lvm2 a-m <2.00g <2.00g
[root@web /]# df -h
文件系统 容量 已用 可用 已用% 挂载点
devtmpfs 470M 0 470M 0% /dev
tmpfs 487M 0 487M 0% /dev/shm
tmpfs 487M 15M 472M 3% /run
tmpfs 487M 0 487M 0% /sys/fs/cgroup
/dev/mapper/centos-root 17G 17G 604M 97% /
/dev/sdb2 976M 2.6M 907M 1% /u2
/dev/sda1 1014M 172M 843M 17% /boot
/dev/mapper/vg7-lv7 2.1G 19M 1.9G 1% /u7
/dev/sr0 4.4G 4.4G 0 100% /mnt
/dev/mapper/vg_mysql-lv_mysql 7.8G 1.2G 6.2G 17% /usr/local/mysql
tmpfs 98M 12K 98M 1% /run/user/42
tmpfs 98M 0 98M 0% /run/user/0
/dev/mapper/vge1-lve1 2.9G 3.1M 2.8G 1% /e1
/dev/mapper/vge6-lve6 380M 2.3M 358M 1% /ue6
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[root@web /]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 20G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 19G 0 part├─centos-root 253:0 0 17G 0 lvm /└─centos-swap 253:1 0 2G 0 lvm [SWAP]
sdb 8:16 0 10G 0 disk
├─sdb1 8:17 0 1G 0 part
├─sdb2 8:18 0 1G 0 part /u2
├─sdb3 8:19 0 1G 0 part
├─sdb4 8:20 0 1K 0 part
├─sdb5 8:21 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
├─sdb6 8:22 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
├─sdb7 8:23 0 1G 0 part
│ ├─vg01-lv01 253:3 0 3.1G 0 lvm
│ ├─vg01-lv02 253:4 0 120M 0 lvm
│ └─vg01-lv03 253:5 0 36M 0 lvm
├─sdb8 8:24 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
└─sdb9 8:25 0 900M 0 part└─vg9-lv9 253:2 0 800M 0 lvm
sdc 8:32 0 10G 0 disk
├─sdc1 8:33 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc2 8:34 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc3 8:35 0 1K 0 part
├─sdc5 8:37 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc6 8:38 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
└─sdc7 8:39 0 900M 0 part└─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
sdd 8:48 0 20G 0 disk
├─sdd1 8:49 0 2G 0 part
├─sdd2 8:50 0 2G 0 part
│ ├─vg1-lv1_rmeta_1 253:11 0 4M 0 lvm
│ │ └─vg1-lv1-real 253:13 0 1.5G 0 lvm
│ │ ├─vg1-lv1 253:14 0 1.5G 0 lvm
│ │ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
│ ├─vg1-lv1_rimage_1 253:12 0 1.5G 0 lvm
│ │ └─vg1-lv1-real 253:13 0 1.5G 0 lvm
│ │ ├─vg1-lv1 253:14 0 1.5G 0 lvm
│ │ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
│ └─vg1-lv1--snap-cow 253:15 0 128M 0 lvm
│ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
├─sdd3 8:51 0 2G 0 part
├─sdd4 8:52 0 1K 0 part
├─sdd5 8:53 0 2G 0 part
├─sdd6 8:54 0 2G 0 part [SWAP]
├─sdd7 8:55 0 2G 0 part
│ └─vg7-lv7 253:7 0 2.1G 0 lvm /u7
└─sdd8 8:56 0 2G 0 part├─vg7-lv7 253:7 0 2.1G 0 lvm /u7└─vg7-lv8 253:8 0 1.2G 0 lvm
sde 8:64 0 15G 0 disk
├─sde1 8:65 0 1G 0 part
│ └─vge1-lve1 253:17 0 3G 0 lvm /e1
├─sde2 8:66 0 2G 0 part
│ └─vge1-lve1 253:17 0 3G 0 lvm /e1
├─sde3 8:67 0 1G 0 part
│ └─vge1-lve1 253:17 0 3G 0 lvm /e1
├─sde4 8:68 0 512B 0 part
├─sde5 8:69 0 500M 0 part
└─sde6 8:70 0 1G 0 part└─vge6-lve6 253:18 0 400M 0 lvm /ue6
sr0 11:0 1 4.4G 0 rom /mnt
vg1-lv1_rmeta_0 253:9 0 4M 0 lvm
└─vg1-lv1-real 253:13 0 1.5G 0 lvm├─vg1-lv1 253:14 0 1.5G 0 lvm└─vg1-lv1--snap 253:16 0 1.5G 0 lvm
vg1-lv1_rimage_0 253:10 0 1.5G 0 lvm
└─vg1-lv1-real 253:13 0 1.5G 0 lvm├─vg1-lv1 253:14 0 1.5G 0 lvm└─vg1-lv1--snap 253:16 0 1.5G 0 lvm
[root@web /]# fdisk /dev/sde
欢迎使用 fdisk (util-linux 2.23.2)。更改将停留在内存中，直到您决定将更改写入磁盘。
使用写入命令前请三思。命令(输入 m 获取帮助)：p磁盘 /dev/sde：16.1 GB, 16106127360 字节，31457280 个扇区
Units = 扇区 of 1 * 512 = 512 bytes
扇区大小(逻辑/物理)：512 字节 / 512 字节
I/O 大小(最小/最佳)：512 字节 / 512 字节
磁盘标签类型：dos
磁盘标识符：0xfdc595c2设备 Boot Start End Blocks Id System
/dev/sde1 2048 2099199 1048576 83 Linux
/dev/sde2 2099200 6293503 2097152 83 Linux
/dev/sde3 6293504 8390655 1048576 83 Linux
/dev/sde4 8390656 29362175 10485760 5 Extended
/dev/sde5 8392704 9416703 512000 83 Linux
/dev/sde6 9418752 11515903 1048576 83 Linux命令(输入 m 获取帮助)：n
All primary partitions are in use
添加逻辑分区 7
起始 扇区 (11517952-29362175，默认为 11517952)：
将使用默认值 11517952
Last 扇区, +扇区 or +size{K,M,G} (11517952-29362175，默认为 29362175)：+100M
分区 7 已设置为 Linux 类型，大小设为 100 MiB命令(输入 m 获取帮助)：n
All primary partitions are in use
添加逻辑分区 8
起始 扇区 (11724800-29362175，默认为 11724800)：
将使用默认值 11724800
Last 扇区, +扇区 or +size{K,M,G} (11724800-29362175，默认为 29362175)：+200M
分区 8 已设置为 Linux 类型，大小设为 200 MiB命令(输入 m 获取帮助)：p磁盘 /dev/sde：16.1 GB, 16106127360 字节，31457280 个扇区
Units = 扇区 of 1 * 512 = 512 bytes
扇区大小(逻辑/物理)：512 字节 / 512 字节
I/O 大小(最小/最佳)：512 字节 / 512 字节
磁盘标签类型：dos
磁盘标识符：0xfdc595c2设备 Boot Start End Blocks Id System
/dev/sde1 2048 2099199 1048576 83 Linux
/dev/sde2 2099200 6293503 2097152 83 Linux
/dev/sde3 6293504 8390655 1048576 83 Linux
/dev/sde4 8390656 29362175 10485760 5 Extended
/dev/sde5 8392704 9416703 512000 83 Linux
/dev/sde6 9418752 11515903 1048576 83 Linux
/dev/sde7 11517952 11722751 102400 83 Linux
/dev/sde8 11724800 12134399 204800 83 Linux命令(输入 m 获取帮助)：n
All primary partitions are in use
添加逻辑分区 9
起始 扇区 (12136448-29362175，默认为 12136448)：
将使用默认值 12136448
Last 扇区, +扇区 or +size{K,M,G} (12136448-29362175，默认为 29362175)：+300M
分区 9 已设置为 Linux 类型，大小设为 300 MiB命令(输入 m 获取帮助)：P磁盘 /dev/sde：16.1 GB, 16106127360 字节，31457280 个扇区
Units = 扇区 of 1 * 512 = 512 bytes
扇区大小(逻辑/物理)：512 字节 / 512 字节
I/O 大小(最小/最佳)：512 字节 / 512 字节
磁盘标签类型：dos
磁盘标识符：0xfdc595c2设备 Boot Start End Blocks Id System
/dev/sde1 2048 2099199 1048576 83 Linux
/dev/sde2 2099200 6293503 2097152 83 Linux
/dev/sde3 6293504 8390655 1048576 83 Linux
/dev/sde4 8390656 29362175 10485760 5 Extended
/dev/sde5 8392704 9416703 512000 83 Linux
/dev/sde6 9418752 11515903 1048576 83 Linux
/dev/sde7 11517952 11722751 102400 83 Linux
/dev/sde8 11724800 12134399 204800 83 Linux
/dev/sde9 12136448 12750847 307200 83 Linux命令(输入 m 获取帮助)：W
The partition table has been altered!Calling ioctl() to re-read partition table.WARNING: Re-reading the partition table failed with error 16: 设备或资源忙.
The kernel still uses the old table. The new table will be used at
the next reboot or after you run partprobe(8) or kpartx(8)
正在同步磁盘。
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[root@web /]# partprobe /dev/sde
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[root@web /]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 20G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 19G 0 part├─centos-root 253:0 0 17G 0 lvm /└─centos-swap 253:1 0 2G 0 lvm [SWAP]
sdb 8:16 0 10G 0 disk
├─sdb1 8:17 0 1G 0 part
├─sdb2 8:18 0 1G 0 part /u2
├─sdb3 8:19 0 1G 0 part
├─sdb4 8:20 0 1K 0 part
├─sdb5 8:21 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
├─sdb6 8:22 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
├─sdb7 8:23 0 1G 0 part
│ ├─vg01-lv01 253:3 0 3.1G 0 lvm
│ ├─vg01-lv02 253:4 0 120M 0 lvm
│ └─vg01-lv03 253:5 0 36M 0 lvm
├─sdb8 8:24 0 1G 0 part
│ └─vg01-lv01 253:3 0 3.1G 0 lvm
└─sdb9 8:25 0 900M 0 part└─vg9-lv9 253:2 0 800M 0 lvm
sdc 8:32 0 10G 0 disk
├─sdc1 8:33 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc2 8:34 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc3 8:35 0 1K 0 part
├─sdc5 8:37 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
├─sdc6 8:38 0 2G 0 part
│ └─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
└─sdc7 8:39 0 900M 0 part└─vg_mysql-lv_mysql 253:6 0 8G 0 lvm /usr/local/mysql
sdd 8:48 0 20G 0 disk
├─sdd1 8:49 0 2G 0 part
├─sdd2 8:50 0 2G 0 part
│ ├─vg1-lv1_rmeta_1 253:11 0 4M 0 lvm
│ │ └─vg1-lv1-real 253:13 0 1.5G 0 lvm
│ │ ├─vg1-lv1 253:14 0 1.5G 0 lvm
│ │ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
│ ├─vg1-lv1_rimage_1 253:12 0 1.5G 0 lvm
│ │ └─vg1-lv1-real 253:13 0 1.5G 0 lvm
│ │ ├─vg1-lv1 253:14 0 1.5G 0 lvm
│ │ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
│ └─vg1-lv1--snap-cow 253:15 0 128M 0 lvm
│ └─vg1-lv1--snap 253:16 0 1.5G 0 lvm
├─sdd3 8:51 0 2G 0 part
├─sdd4 8:52 0 1K 0 part
├─sdd5 8:53 0 2G 0 part
├─sdd6 8:54 0 2G 0 part [SWAP]
├─sdd7 8:55 0 2G 0 part
│ └─vg7-lv7 253:7 0 2.1G 0 lvm /u7
└─sdd8 8:56 0 2G 0 part├─vg7-lv7 253:7 0 2.1G 0 lvm /u7└─vg7-lv8 253:8 0 1.2G 0 lvm
sde 8:64 0 15G 0 disk
├─sde1 8:65 0 1G 0 part
│ └─vge1-lve1 253:17 0 3G 0 lvm /e1
├─sde2 8:66 0 2G 0 part
│ └─vge1-lve1 253:17 0 3G 0 lvm /e1
├─sde3 8:67 0 1G 0 part
│ └─vge1-lve1 253:17 0 3G 0 lvm /e1
├─sde4 8:68 0 512B 0 part
├─sde5 8:69 0 500M 0 part
├─sde6 8:70 0 1G 0 part
│ └─vge6-lve6 253:18 0 400M 0 lvm /ue6
├─sde7 8:71 0 100M 0 part
├─sde8 8:72 0 200M 0 part
└─sde9 8:73 0 300M 0 part
sr0 11:0 1 4.4G 0 rom /mnt
vg1-lv1_rmeta_0 253:9 0 4M 0 lvm
└─vg1-lv1-real 253:13 0 1.5G 0 lvm├─vg1-lv1 253:14 0 1.5G 0 lvm└─vg1-lv1--snap 253:16 0 1.5G 0 lvm
vg1-lv1_rimage_0 253:10 0 1.5G 0 lvm
└─vg1-lv1-real 253:13 0 1.5G 0 lvm├─vg1-lv1 253:14 0 1.5G 0 lvm└─vg1-lv1--snap 253:16 0 1.5G 0 lvm
[root@web /]# mdadm --create /dev/md0 --raid-devices=2 /dev/sde7 /dev/sde8 --level=0
mdadm: Defaulting to version 1.2 metadata
mdadm: array /dev/md0 started.
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[root@web /]# cat /proc/mdstat
Personalities : [raid6] [raid5] [raid4] [raid1] [raid0]
md0 : active raid0 sde8[1] sde7[0]303104 blocks super 1.2 512k chunksunused devices: <none>
[root@web /]#