ADD Disk Operation Hung and Rebalance is Not Happening
Last updated on MARCH 21, 2018
Applies to:Oracle Database - Enterprise Edition - Version 220.127.116.11 to 18.104.22.168 [Release 11.2]
Information in this document applies to any platform.
1] Several disks have been added to an existing diskgroup in RAC environment and sqlplus session initiating adding operation does not return the control which have to be disconnected manually.
2] Rebalance is not occuring from v$asm_operation
no rows selected
3] "disk validation pending" message in other nodes is visible but there is no "SUCCESS: refreshed membership" message in ASM alert.log
NOTE: disk validation pending for group 2/0x75fe02b8 (DATA)
Wed Aug 28 05:28:52 2013
4] RBAL trace show the following message repeatedly.
Note "DD.0.0" for dismounted disk discovery enqueue and "6" for exclusive mode.
5] Querying v$asm_disk and v$asm_diskgroup is hung but querying v$asm_disk_stat and v$asm_diskgroup_stat view works.
Example of v$asm_disk_stat output for new devices. Note "ADDING" state .
2 10 OPENED MEMBER SYNCING ADDING DATA_0010
2 11 OPENED MEMBER SYNCING ADDING DATA_0011
Sign In with your My Oracle Support account
Don't have a My Oracle Support account? Click to get started
My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms