On May 6, 2008, at 8:40 AM, Kumar, T Santhosh (TCS) wrote:
Linux hostname 2.6.18-53.1.14.el5 #1 SMP Tue Feb 19 07:18:46 EST 2008 x86_64 x86_64 x86_64 GNU/Linux Red Hat Enterprise Linux Server release 5.1 (Tikanga) # lvextend -L +4000M /dev/vgec_rde0_pdb/lvol2 Extending logical volume lvol2 to 63.91 GB Error locking on node xxxxxx: Volume group for uuid not found:
This type of message usually implies that the machine can see a storage device that is no longer part of a volume group, but has not been wiped (pvremove). This can happen for any number of reasons. The admin may have repartitioned something and forgot to wipe the PVs... a disk failed and came back... new disks were added that had LVM metadata on them... etc.
Certainly try the suggestion about 'partprobe' and restarting clvmd... If that works, great. Otherwise, you will have to find the partition with the stray PV metadata on it - perhaps best done by reconciling 'cat /proc/partitions' and 'pvs'.
brassow
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