Diskgroup Mount Hangs with RBAL Waiting on 'GPnP Get Item' and 'enq: DD - contention' (Doc ID 1375505.1)

Last updated on AUGUST 25, 2014

Applies to:

Oracle Server - Enterprise Edition - Version 11.2.0.2 to 11.2.0.3 [Release 11.2]
Information in this document applies to any platform.

Symptoms

 

Note: This issue so far has been reported on RAC 11.2.0.2.3 and 11.2.0.3 environments


Unable to mount an ASM diskgroup across all nodes. Simply the ALTER DISKGROUP MOUNT <diskgroup name> just hangs and has to be interrupted (CTRL-C).

No errors in any of the ASM alert logs. Just entries like:

Mon Nov 07 13:22:35 2011
SQL> /* ASMCMD */ALTER DISKGROUP DATA DISMOUNT
Mon Nov 07 13:26:03 2011
SQL> /* ASMCMD */ALTER DISKGROUP DATA DISMOUNT FORCE
Mon Nov 07 13:26:18 2011
ORA-01013: user requested cancel of current operation
ERROR: /* ASMCMD */ALTER DISKGROUP DATADISMOUNT FORCE
...
Mon Nov 07 13:28:53 2011
SQL> ALTER DISKGROUP DATADISMOUNT FORCE /* asm agent *//* {4:48128:34290} */
Mon Nov 07 13:28:53 2011
Received dirty detach msg from inst 1 for dom 5
Mon Nov 07 13:28:53 2011
List of instances:
1 2 3 4 5 6 7 8
...
Dirty Detach Reconfiguration complete
NOTE: F1X0 found on disk 0 au 2 fcn 0.1506056
NOTE: starting recovery of thread=2 ckpt=18.5366 group=5 (DATA)
NOTE: starting recovery of thread=3 ckpt=55.480 group=5 (DATA)
NOTE: starting recovery of thread=5 ckpt=25.7580 group=5 (DATA)
NOTE: starting recovery of thread=6 ckpt=8.1024 group=5 (DATA)
NOTE: starting recovery of thread=7 ckpt=22.5254 group=5 (DATA)
NOTE: starting recovery of thread=8 ckpt=12.8350 group=5 (DATA)
NOTE: SMON waiting for thread 2 recovery enqueue
NOTE: SMON waiting for thread 3 recovery enqueue
NOTE: SMON waiting for thread 5 recovery enqueue
NOTE: SMON waiting for thread 6 recovery enqueue
NOTE: SMON waiting for thread 7 recovery enqueue
NOTE: SMON waiting for thread 8 recovery enqueue
NOTE: SMON about to begin recovery lock claims for diskgroup 5 (DATA)
NOTE: SMON successfully validated lock domain 5
NOTE: advancing ckpt for thread=2 ckpt=18.5366
NOTE: advancing ckpt for thread=3 ckpt=55.480
NOTE: advancing ckpt for thread=5 ckpt=25.7580
NOTE: advancing ckpt for thread=6 ckpt=8.1024
NOTE: advancing ckpt for thread=7 ckpt=22.5254
NOTE: advancing ckpt for thread=8 ckpt=12.8350
NOTE: SMON did instance recovery for group DATAdomain 5
Received dirty detach msg from inst 2 for dom 5
List of instances:
1 2 3 4 5 6 7 8
...
Mon Nov 07 13:50:00 2011
Received detach msg from inst 6 for dom 5
Received detach msg from inst 1 for dom 5
Received detach msg from inst 3 for dom 5
Received detach msg from inst 2 for dom 5
Received detach msg from inst 5 for dom 5
Received detach msg from inst 8 for dom 5
Received detach msg from inst 7 for dom 5
...

Cause

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