Linux下挂载lvm 并解决同名冲突
在Linux下使用新硬盘安装系统,安装好以后再挂载原来的硬盘,分区格式全为系统默认分区,系统默认使用的 是lvm格式,并且默认的卷都是 VolGroup00 使用 pvs 查看显示如下: [root@localhost ~]# pvs PV VG Fmt Attr PSize PFree /dev/sda2 VolGroup00 lvm2 a- 136.62G 0 /dev/sdb2 VolGroup00 lvm2 a- 136.62G 0 发现可以正确认别到两个VG,但是同名,如何挂载呢? 解决办法是,将原来的VG更名,解决冲突即可挂载.
重命名格式为:vgrename VolGroup00 VolGroup01 此时会提示: [root@localhost ~]# vgrename VolGroup00 VolGroup01 Found more than one VG called VolGroup00. Please supply VG uuid. 原因是存在两个 VolGroup00,修改的方法他已经提示了要指定 VG uuid即可.
查看VG uuid的命令为: [root@localhost ~]# vgs -v Finding all volume groups Finding volume group "VolGroup00" Finding volume group "VolGroup00" VG Attr Ext #PV #LV #SN VSize VFree VG UUID VolGroup00 wz--n- 32.00M 1 2 0 136.62G 0 dcHa6G-abU2-Xfq8-EPBm-jBLj-sf18-O5uH0U VolGroup00 wz--n- 32.00M 1 2 0 136.62G 0 OF8g7h-PQJB-9D9z-yPxn-1kfY-Advq-YbNHJ9
查到VG uuid以后,再次执行改名: [root@localhost ~]# vgrename OF8g7h-PQJB-9D9z-yPxn-1kfY-Advq-YbNHJ9 VolGroup01 Volume group "VolGroup00" still has active LVs
修改成功以后,再执行:lvscan [root@localhost ~]# lvscan inactive ''/dev/VolGroup01/LogVol00'' [130.84 GB] inherit inactive ''/dev/VolGroup01/LogVol01'' [5.78 GB] inherit ACTIVE ''/dev/VolGroup00/LogVol00'' [130.84 GB] inherit ACTIVE ''/dev/VolGroup00/LogVol01'' [5.78 GB] inherit 可以看到新修改的VolGroup01是inactive状态.
再使用vgchange 加载 VolGroup01 [root@localhost ~]# vgchange -ay /dev/VolGroup01 2 logical volume(s) in volume group "VolGroup01" now active
mount 就可以 [root@localhost ~]# mount /dev/VolGroup01/LogVol00 /mnt/old 至此,全部完成. |