Re: Lost LVM data - lost logical volume
On Mon, Oct 26, 2015 at 01:14:59PM -0400, Anton Bizzarri wrote:
> Hi David. I see what you mean.
>
> So just to confirm, there is no way to recover the logical volume.
>
> FWIW.. I am trying the following
>
> I recreated the LV with lvcreate.
>
> Luckily the old LV spanned the 100% the old LVM.
>
> I can now see the LV.
>
> I then ran ext3.fsck to repair /dev/mapper/data
>
>
> latest errors i get are:
> Oct 26 13:07:38 arbor kernel: [349276.552056] EXT3-fs error (device dm-0):
> ext3_check_descriptors: Block bitmap for group 384 not in group (block 0)!
> Oct 26 13:07:38 arbor kernel: [349276.559433] EXT3-fs (dm-0): error: group
> descriptors corrupted
>
> Then I am running ext3.fsck /dev/dm-0
>
> and just waiting for it to finish.
>
> FWIW. There are a multitude of reasons why there is no backup in place. In
> this particular case, there is no SLA to cover the regular backup of 3TB of
> data. So there is no money available to invest in hardware or services to
> backup the data. The agreement is try "best effort" to recover data if it
> goes down.
>
A 3TB external disk on USB is well under $200.
Was their data worth $200 a year?
No levels of RAID are equivalent to backup.
-dsr-
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