Issue

• Non-clustered volume group got removed during lvm operation in Red Hat High Availability cluster with mixing of old clvmd (lvm2-cluster) and new lvm2 (lvm2-2.02.143-7.el6) tools and clvmd running.
• Volume group got removed when extending non-clustered logical volume.

    # vgs ; lvs
      VG       #PV #LV #SN Attr   VSize    VFree  
      testvg     1   1   0 wz--n- 1020.00m 908.00m
      vg_node1   1   2   0 wz--n-    7.51g      0
      LV      VG       Attr       LSize   Pool Origin Data%  Meta%  Move Log Cpy%Sync Convert
      testlv  testvg   -wi-ao---- 112.00m                                                    
      lv_root vg_node1 -wi-ao----   6.71g                                                    
      lv_swap vg_node1 -wi-ao---- 816.00m              


      # lvextend -L +10M -r /dev/mapper/testvg-testlv
      Rounding size to boundary between physical extents: 12.00 MiB.
      Size of logical volume testvg/testlv changed from 112.00 MiB (28 extents) to 124.00 MiB (31 extents).
      Error locking on node node1: Volume group for uuid not found: kVNES5wGIo6AwN2HFiN2Js7sy03mMLcY6nqJFlbXqxdVhRyKpKueJ1AdLAEcjhh4
      Failed to lock logical volume testvg/testlv.
      Error locking on node node1: Volume group for uuid not found: kVNES5wGIo6AwN2HFiN2Js7sy03mMLcY6nqJFlbXqxdVhRyKpKueJ1AdLAEcjhh4
      Problem reactivating logical volume testvg/testlv.

      # pvs -v
        Using physical volume(s) on command line.
        Wiping cache of LVM-capable devices
        Wiping internal VG cache
      WARNING: Repairing flag incorrectly marking Physical Volume /dev/vdb as used.
      PV         VG       Fmt  Attr PSize PFree DevSize PV UUID                              
      /dev/vda2  vg_node1 lvm2 a--u 7.51g    0    7.51g 65m2gP-76g6-Ex3b-mLVR-xUAB-VMS4-qf6gO2
      /dev/vdb            lvm2 ---- 1.00g 1.00g   1.00g mMbpfs-a039-BaHC-CdQU-2SDE-Bon6-vwVxML
                ^^^^^^^^^

• Clustered volume group got removed when extending clustered logical volume after updating both lvm2 and lvm2-cluster packages to lvm2-2.02.143-7.el6.

# lvextend -L +100M /dev/mapper/cluster_vg-cluster_lv 
  Size of logical volume cluster_vg/cluster_lv changed from 1.00 GiB (256 extents) to 1.10 GiB (281 extents).
  Error locking on node RHnode1: Volume group for uuid not found: NzgWmLWHK6EL5H2fc0I4qvMqeWaUnBKBepSiLZRGxAr35w34uOfNxUYi7NfCPXEv
  Failed to lock logical volume cluster_vg/cluster_lv.
  Error locking on node RHnode1: Volume group for uuid not found: NzgWmLWHK6EL5H2fc0I4qvMqeWaUnBKBepSiLZRGxAr35w34uOfNxUYi7NfCPXEv
  Problem reactivating logical volume cluster_vg/cluster_lv.