[linux-lvm] failed a disk of LVM

Goetz Bock bock at blacknet.de
Sun Jan 11 05:59:04 UTC 2004

On Fri, Jan 09 '04 at 11:33, Juan Jos? Pardo Navarro wrote:
> I have a logical volume (LV) with four physical volumnes (PV):
> hda1, hdb1, hdc1, hdd1.
> Yesterday a PV failed. (hdc1).
> could I recover the information?
Plane A: Take it from an up to date backup. (If you don't have one, try
         to get one next time)
Plane B: get a disk the same size (or better 4 disks the same size as
         hda, hdb, hdc and hdd) and ddrescue hdc to the new disks.
         Than try to reactivate your backup version.
Plane C: force LVM to work without the broken drive (might work if you
         had no data on hdc1)

Than make a full backup (plane B and C only), replace hdc, make a RAID5
and restore the backup.
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