On Mon, 2006-09-18 at 20:34 +0100, Nick wrote:
> Hi Fabien,
>
> Yes, just one LV - "Vol1-share".
>
> Does this mean I've lost *everything*? I would have though I should be
> still be able to access everything on the two working disks?
>
> I don't have a backup of this data.
I'm sure you will now have at least one backup of all your data.
>
> Thanks, Nick
>
> root@nibiru:~# pvdisplay
> --- Physical volume ---
> PV Name /dev/hda4
> VG Name Vol1
> PV Size 106.79 GB / not usable 0
> Allocatable yes
> PE Size (KByte) 4096
> Total PE 27339
> Free PE 27339
> Allocated PE 0
> PV UUID Cq9xKF-W33m-BCLt-YyIc-EEfm-Btqc-eZLHNh
>
> --- Physical volume ---
> PV Name /dev/hdb1
> VG Name Vol1
> PV Size 111.75 GB / not usable 0
> Allocatable yes
> PE Size (KByte) 4096
> Total PE 28609
> Free PE 28609
> Allocated PE 0
> PV UUID hwQrhH-iXHO-Bots-6zUQ-w8JG-Nmb3-shqZiX
>
> root@nibiru:~# vgdisplay
> --- Volume group ---
> VG Name Vol1
> System ID
> Format lvm2
> Metadata Areas 2
> Metadata Sequence No 3
> VG Access read/write
> VG Status resizable
> MAX LV 0
> Cur LV 0
> Open LV 0
> Max PV 0
> Cur PV 2
> Act PV 2
> VG Size 218.55 GB
> PE Size 4.00 MB
> Total PE 55948
> Alloc PE / Size 0 / 0
> Free PE / Size 55948 / 218.55 GB
> VG UUID RORj4f-LAOJ-83YS-34lD-4YRM-FKP8-8hgXLg
As you can see, you have no remaining LV in this VG. And both of your PV
are empty (Total == Free).
Now if you read vgreduce manual page :
--removemissing
Removes all missing physical volumes from the volume
group and makes the volume group consistent again.
It's a good idea to run this option with --test first to
find out what it would remove before running it for real.
Any logical volumes and dependent snapshots that were
partly on the missing disks get removed completely. This includes
those parts that lie on disks that are still present.
If your logical volumes spanned several disks including
the ones that are lost, you might want to try to salvage data first
by activating your logical volumes with --partial as described in
lvm (8).
you can see that you've just lost all of your data.
--
Fabien Jakimowicz <fabien@jakimowicz.com>
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