[linux-lvm] LVM data recovery ?
callahant at tessco.com
Wed Mar 29 21:29:46 UTC 2006
You may be able to mount the LVM LV's on another system....
I'd take some dd backups just in case, and then try attaching the drives
to another system.
pvscan to see if it finds the PV's
then vgscan to find the VG's
vgchange -a y will then activate them...but be careful. If the same
VG/LV names are present on the new system, you'll have to use some
renaming trickery to get them to actually show up.
Email: callahant at tessco.com
A real engineer only resorts to documentation when the keyboard dents on the forehead get too noticeable.
Miguel Bettencourt Dias (Netopia) wrote:
> Hi All,
> I've been reading the arquives and didn't find an answer to my problem
> and I was wondering how data recovery could be done... because I have
> a server that crashed quite badly. It did not have lvm backups from
> /etc/lvm/archive/ and I wanted to recover the LVM.
> I only have two partitions, sda1 and sda2.
> sda1 is the /boot. sda2 is LVM, with swap and / (the machine runs
> fedora core 4)with root inside the LVM... now I know that's a bad ideia.
> The problem is that I don't have any backups of any LVM information and
> all I know is the size of the partitions inside LVM...
> Adding 2031608k swap on /dev/VolGroup00/LogVol01. Priority:-1
> extents:1 across:2031608k
> Filesystem 1K-blocks Used Available Use% Mounted on
> 32963596 24207464 8756132 74% /
> /dev/sda1 101086 56597 39270 60% /boot
> /dev/shm 1037328 0 1037328 0% /dev/shm
> can I conceivably recover the data ? how ?
> miguel dias
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>read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
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