[linux-lvm] Logical Volume on two disk, one is broken: how to restore data from the good disk?
marcoantonelli82 at gmail.com
Wed Jul 11 09:01:17 UTC 2007
Thank you Jim, I'll try your suggestions; I'll let you now what will happen.
2007/7/11, Jim Schatzman <james.schatzman at futurelabusa.com>:
> From me the amateur. You appear to have lost some data. You probably have some files that are recoverable. You have a few choices:
> 1) Send your disks to a professional. See http://myharddrivedied.com, for example.
> 2) Replace the electronics PC board on your drive. See the same above website for more info on that. This might recover all your data. It also may make no change.
> 3) Use dmsetup to enable a partial VG (use vgchange -Pay as explained in the article). See
> Retrieve what files you can.
> You can also remove the bad drive entirely and do a partial VG.
> 4) Use dd ignoring errors to do a raw copy off the bad drive to an identical good drive.
> Use vgcfgbackup. Remove the bad drive. Install the new drive.
> Edit the vgcfg backup, edit the id in the logical_volumes
> sections, check your work carefully, and vgcfgrestore
> as mentioned by Ryan Nelson. This is probably going to get you about what #3 does.
> Good luck-
More information about the linux-lvm