NSS Volume Randomly Deactivates with Error 20012

  • Document ID:7003563
  • Creation Date:17-Jun-2009
  • Modified Date:08-Nov-2012
    • Micro Focus Products:
      Open Enterprise Server

Environment

Novell Open Enterprise Server 1 (OES 1) Linux
Novell Open Enterprise Server 2 (OES 2) Linux
Novell Storage Services (NSS)

Situation

  • /var/log/messages shows errors similar to the following:
Feb  3 10:17:40 novcl52f kernel: NSSLOG ==> [Error] comnPool.c[2554]
Feb  3 10:17:40 novcl52f kernel:      Feb 3, 2011  10:17:40 am  NSS<COMN>-4.12a-xxxx:
Feb  3 10:17:40 novcl52f kernel:      Pool NOVFS06: System data error 20012(zfsFileMap.c[5027]).   Block 64639909(file block -64639909)(ZID -9223372036706002626)
Feb  3 10:17:40 novcl52f kernel: NSSLOG ==> [Error] comnVol.c[9263]
Feb  3 10:17:40 novcl52f kernel:      Feb 3, 2011  10:17:40 am  NSS<COMN>-4.12a-xxxx:
Feb  3 10:17:40 novcl52f kernel:      Volume USERS03: System data error 20012(zfsFileMap.c[5027]).   Block 64639909(file block -64639909)(ZID -9223372036706002626)
  • Cluster Resource goes comatose

  • NSS Snapshot - File Level (Copy on Write) attribute is enabled
    • nsscon volumes from command line shows volume(s) with attribute of Snapshot file-level (Copy On Write)

Resolution

Workaround:  Disable Snapshot - File Level
  1. Run NSSMU as root
  2. Main Menu -> Volumes -> Navigate to volume -> <Enter>
  3. Set Snapshot - File Level = No     
  4. Apply the change
  5. Dismount and remount the volume

Status

Reported to Engineering