之前用了LVM做系统,换了一个盘重新做系统之后,想将之前的盘的数据拷贝出来,当挂载分区的时候,报错mount: unknown filesystem type 'LVM2_member'
解决办法:
1,安装 lvm2:
yum install lvm2
2, 显示逻辑卷信息:
[root@e610-x ~]# lvdiskpsplay
--- Logical volume ---
LV Path /dev/ubuntu-vg/ubuntu-lv
LV Name ubuntu-lv
VG Name ubuntu-vg
LV UUID FPGC24-cqIO-cald-53oA-g35h-WRNw-PIDrkt
LV Write Access read/write
LV Creation host, time ubuntu-server, 2023-03-01 14:35:48 +0800
LV Status NOT available
LV Size 100.00 GiB
Current LE 25600
Segments 1
Allocation inherit
Read ahead sectors auto
3,挂载前需要保证卷是激活的
[root@e610-x ~]# lvscan
inactive '/dev/ubuntu-vg/ubuntu-lv' [100.00 GiB] inherit
如上不是激活,需要进行激活:
[root@e610-x ~]# vgchange -ay
1 logical volume(s) in volume group "ubuntu-vg" now active
4,激活之后,挂载:
mount /dev/VolGroup00/LogVol03 /home/lvm