Kelly Harding wrote: > Hi I currently run Debian Unstable on a PII/350 dual cpu machine. > > It is running 2.4.27 and i've recent;y had to reboot it due to a power > failure. > > There is a 3 drive LVM volume on it, across 3 36GB scsi drives connected > to a Adaptec 2940U2W car.The filesystem on all > drives is XFS. > > The system came back up fine except for the LVM volume. > > It now won't load/mount for some reason. > > I'm getting the following errors: > > I get the following error if I try to run 'vgchange -a y 3diskvolume: > > device-mapper ioctl cmd 11 failed: Invalid argument > _deps: task run failed for (254:0) > Failed to add device (254:0) to dtree > 1 logical volume(s) in volume group "3diskvolume" now active > > It obviously won't mount after that as mount tells me it can't find the > superblock etc. > > I also noticed from the dmesg output the following: > > device-mapper: one of name or uuid must be supplied, cmd(11) > > This appears when the previously mentioned command is run. > > I've no idea what this means or if it isa case of a re-install of the > base system might fix this? maybe something with the > base system has gone a bit fubar? > > any help or advice on this would be greatly appreciated. > > Kelly Are you able to access the contents of /etc/lvm? If so, check the file(s) in /etc/lvm/backup/* and use the information there to recreate your LVM setup. If not, you can probably boot an LVM-capable live CD (I know that Knoppix is not capable) and then scan the individual PVs to possible reconstruct your setup. -Roberto -- Roberto C. Sanchez http://familiasanchez.net/~roberto
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