[CentOS-virt] LVM Lockout

Wed Oct 14 16:34:43 UTC 2009
Christopher G. Stach II <cgs at ldsys.net>

----- "Ben M." <centos at rivint.com> wrote:

> Gack. I added an additional Raid1 pair to my machine just before I 
> planned to bring it over to the office and I did something dumb and 
> locked out.
> I have the pv's, vg's and lv's cleared. All I need to do is get on
> root 
> and remove a line from fstab, but I can't get it out of read only mode
> to save the edit.
> My root login at "Repair Filesystem" seems unable to make the file 
> writeable. I have done this in past with Knoppix, but can't seem to
> file 
> the utility to make the write editable (same with CentOS and other
> live 
> CD's, am downloading newer BackTrack now).

The root filesystem's LV/device is not writable or your root filesystem is mounted read-only? If it's the latter, just ``mount -o remount,rw /''.

Christopher G. Stach II