查看lv状态并激活lv

最新推荐文章于 2025-06-05 16:00:10 发布

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最新推荐文章于 2025-06-05 16:00:10 发布

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系统重启后lsblk发现文件系统不在了，但是vgs和lvs都在，查看lvscan查看lv状态为inactive，使用lvchange后激活lv，文件系统识别到并为可用状态

[root@knode1 KingbaseHA]# vgs
  VG             #PV #LV #SN Attr   VSize    VFree
  centos_centos7   1   2   0 wz--n- <127.00g     0
  data2vg          1   1   0 wz--n-   <2.00g  4.00m
  datavg           1   1   0 wz--n-  <15.00g <9.00g
[root@knode1 KingbaseHA]# lvs
  LV      VG             Attr       LSize    Pool Origin Data%  Meta%  Move Log Cpy%Sync Convert
  root    centos_centos7 -wi-ao---- <125.00g
  swap    centos_centos7 -wi-ao----    2.00g
  data2lv data2vg        -wi-------    1.99g
  datalv  datavg         -wi-------    6.00g
[root@knode1 KingbaseHA]#
[root@knode1 KingbaseHA]# lsblk
NAME                    MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
sda                       8:0    0  128G  0 disk
├─sda1                    8:1    0    1G  0 part /boot
└─sda2                    8:2    0  127G  0 part
  ├─centos_centos7-root 253:0    0  125G  0 lvm  /
  └─centos_centos7-swap 253:1    0    2G  0 lvm  [SWAP]
sdb                       8:16   0   20G  0 disk
├─sdb1                    8:17   0   15G  0 part
└─sdb2                    8:18   0    2G  0 part
sdc                       8:32   0    1G  0 disk
sr0                      11:0    1 1024M  0 rom

查看lv状态为inactive

[root@knode1 KingbaseHA]# vgscan
  Reading volume groups from cache.
  Found volume group "datavg" using metadata type lvm2
  Found volume group "centos_centos7" using metadata type lvm2
  Found volume group "data2vg" using metadata type lvm2
[root@knode1 KingbaseHA]#
[root@knode1 KingbaseHA]# lvscan
  inactive          '/dev/datavg/datalv' [6.00 GiB] inherit
  ACTIVE            '/dev/centos_centos7/swap' [2.00 GiB] inherit
  ACTIVE            '/dev/centos_centos7/root' [<125.00 GiB] inherit
  inactive          '/dev/data2vg/data2lv' [1.99 GiB] inherit

激活lv

[root@knode1 KingbaseHA]# lvchange -ay /dev/datavg/datalv
[root@knode1 KingbaseHA]# lvscan
  ACTIVE            '/dev/datavg/datalv' [6.00 GiB] inherit
  ACTIVE            '/dev/centos_centos7/swap' [2.00 GiB] inherit
  ACTIVE            '/dev/centos_centos7/root' [<125.00 GiB] inherit
  inactive          '/dev/data2vg/data2lv' [1.99 GiB] inherit
[root@knode1 KingbaseHA]# lsblk
NAME                    MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
sda                       8:0    0  128G  0 disk
├─sda1                    8:1    0    1G  0 part /boot
└─sda2                    8:2    0  127G  0 part
  ├─centos_centos7-root 253:0    0  125G  0 lvm  /
  └─centos_centos7-swap 253:1    0    2G  0 lvm  [SWAP]
sdb                       8:16   0   20G  0 disk
├─sdb1                    8:17   0   15G  0 part
│ └─datavg-datalv       253:2    0    6G  0 lvm
└─sdb2                    8:18   0    2G  0 part
sdc                       8:32   0    1G  0 disk
sr0                      11:0    1 1024M  0 rom

[root@knode1 KingbaseHA]# lvchange -ay /dev/data2vg/data2lv
[root@knode1 KingbaseHA]# lvscan
  ACTIVE            '/dev/datavg/datalv' [6.00 GiB] inherit
  ACTIVE            '/dev/centos_centos7/swap' [2.00 GiB] inherit
  ACTIVE            '/dev/centos_centos7/root' [<125.00 GiB] inherit
  ACTIVE            '/dev/data2vg/data2lv' [1.99 GiB] inherit
[root@knode1 KingbaseHA]# lsblk
NAME                    MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
sda                       8:0    0  128G  0 disk
├─sda1                    8:1    0    1G  0 part /boot
└─sda2                    8:2    0  127G  0 part
  ├─centos_centos7-root 253:0    0  125G  0 lvm  /
  └─centos_centos7-swap 253:1    0    2G  0 lvm  [SWAP]
sdb                       8:16   0   20G  0 disk
├─sdb1                    8:17   0   15G  0 part
│ └─datavg-datalv       253:2    0    6G  0 lvm
└─sdb2                    8:18   0    2G  0 part
  └─data2vg-data2lv     253:3    0    2G  0 lvm
sdc                       8:32   0    1G  0 disk
sr0                      11:0    1 1024M  0 rom