Please help! Lost my LVM VG...
Bryn M. Reeves
bmr at redhat.com
Thu Feb 12 19:09:10 UTC 2009
Andrew Junev wrote:
> Thursday, February 12, 2009, 9:42:38 PM, you wrote:
>
>
>> Running the command:
>
>> vgchange -ay VolTerabytes00
>
>> Should activate the VG, assuming that all PVs are present (and
>> any needed modules have been loaded).
>
>>> I tried running lvm and it says "Locking type 1 initialisation
>>> failed" no matter what command I enter...
>
>> Check that the file system providing /var has been mounted and is
>> writable.
>
>> Assuming it's part of / you probably just need to run:
>
>> mount -n -oremount,rw /
>
> Ah, that worked! Thank you!
>
> What shall I do to automatically activate this VG during boot?
You need to understand why it wasn't being activated automatically.
Boot logs (dmesg and/or /var/log/messages) would help here. Normally,
devices are scanned for LVM metadata when rc.sysinit runs.
There were some bugs in older releases (f8 is no longer
supported/maintained) where udev would not wait long enough for some
devices to appear, causing these scans to "miss" the VG. That sounds
plausible here since the vgchange -ay worked after the system had
booted but there's not really enough information to say for sure.
Try adding a "sleep 5" or "udevsettle --timeout=30" command to
rc.sysinit above each of the LVM activation commands.
Regards,
Bryn.
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