[linux-lvm] disaster recovery
Rene Gallati
lvm at gallati.net
Sun Jan 26 12:32:01 UTC 2003
Rene Gallati wrote:
> I'm wondering if I have all the tools required to attemp to recover the
> remaining data from the good drive?
[..]
Having recieved no answer I just stepped ahead and tried it in another
system I set up only for the recovery process. First I tried to patch a
stock SuSE 8.1 kernel (2.4.19-4GB) which failed as expected. Then I went
and fetched a vanilla 2.4.20 from my local kernel.org mirror - and that
failed miserably too !
Looked into device-mapper's directory structure and decieded to fetch a
2.4.19 vanilla which finally succeeded. You really might want to add
that information to device-mapper's README or INSTALL - especially since
people who have hosed LV's are probably going to use LVM2 the most.
So out of the 4LVs that were in the VG, I could get out the data from
two smaller ones that were completely within the first still good disk.
However the other two I couldn't mount. One I did expect but the other
not. One out of those two LVs was spanning the disks, and the latter
disk is now gone for good. Anyone knows a nice trick to get reiserfs
allowing me to mount that LV anyway and get out what's left ?
Or am I completely lost there?
Thanks for all answers in advance.
CU
René
btw. recovering from hd failure is really cool when they turn off your
net connectivity because of some MS-SQL worm... :-/
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