[linux-lvm] Wrecked Logical Volume with vgreduce --removemissing

[Peter Smith]

What if you do "lvdisplay -m /dev/VolGroup00/LogVol00 --partial"

P

Tom+Dale wrote:

> I had a bad drive in my volume group, so I tried "vgreduce 
> --removemissing VolGroup00" which seemed to work. Then, I tried 
> "vgchange -ay --partial VolGroup00" which also appeared to complete 
> successfully.  It seems like I was partly successful but I cannot get 
> the logical volume to be recognized.  I don't know what else to do?  
> Where can I learn more about LVM?  How does one utilize the LVM 
> archive or backup files?  Can't seem to find an answer to this 
> problem.  Is all of my data lost?
>
> [root[at]server ~]# lvchange -vvvay /dev/VolGroup00/LogVol00
> Processing: lvchange -vvvay /dev/VolGroup00/LogVol00
> O_DIRECT will be used
> Setting global/locking_type to 1
> Setting global/locking_dir to /var/lock/lvm
> File-based locking enabled.
> Using logical volume(s) on command line
> Locking /var/lock/lvm/V_VolGroup00 WB
> Opened /dev/sda RW
> /dev/sda: block size is 4096 bytes
> /dev/sda: No label detected
> Opened /dev/hda1 RW
> /dev/hda1: block size is 1024 bytes
> /dev/hda1: No label detected
> Opened /dev/hda2 RW
> /dev/hda2: block size is 4096 bytes
> /dev/hda2: No label detected
> Opened /dev/hda3 RW
> /dev/hda3: block size is 4096 bytes
> /dev/hda3: No label detected
> Opened /dev/hda5 RW
> /dev/hda5: block size is 512 bytes
> /dev/hda5: lvm2 label detected
> lvmcache: /dev/hda5 now orphaned
> lvmcache: /dev/hda5 now in VG VolGroup00
> Opened /dev/hdb RW
> /dev/hdb: block size is 4096 bytes
> /dev/hdb: lvm2 label detected
> lvmcache: /dev/hdb now orphaned
> lvmcache: /dev/hdb now in VG VolGroup00
> /dev/hda5: lvm2 label detected
> /dev/hdb: lvm2 label detected
> /dev/hda5: lvm2 label detected
> /dev/hdb: lvm2 label detected
> Read VolGroup00 metadata (11) from /dev/hda5 at 18944 size 720
> /dev/hda5: lvm2 label detected
> /dev/hdb: lvm2 label detected
> Read VolGroup00 metadata (11) from /dev/hdb at 16896 size 720
> One or more specified logical volume(s) not found.
> Unlocking /var/lock/lvm/V_VolGroup00
> Closed /dev/sda
> Closed /dev/hda1
> Closed /dev/hda2
> Closed /dev/hda3
> Closed /dev/hda5
> Closed /dev/hdb
>
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