OCR Diskgroup Became Inaccessible After Node Reboot (Doc ID 1637088.1)

Last updated on MARCH 19, 2014

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.3 and later
Information in this document applies to any platform.

Symptoms

On Node1 CRS not able to start due to OCR and Voting disks not mounted with following messages.

SQL> shutdown immediate;
ASM diskgroups volume disabled
ASM diskgroups dismounted
ASM instance shutdown
SQL> startup
ASM instance started

Total System Global Area 534462464 bytes
Fixed Size 2230072 bytes
Variable Size 507066568 bytes
ASM Cache 25165824 bytes
ORA-15032: not all alterations performed
ORA-15017: diskgroup "GPUATFRA" cannot be mounted
ORA-15063: ASM discovered an insufficient number of disks for diskgroup
"GPUATFRA"
ORA-15017: diskgroup "GPUATDATA" cannot be mounted
ORA-15063: ASM discovered an insufficient number of disks for diskgroup
"GPUATDATA"
ORA-15017: diskgroup "VRTXUATFRA" cannot be mounted
ORA-15063: ASM discovered an insufficient number of disks for diskgroup
"VRTXUATFRA"
ORA-15017: diskgroup "VRTXUATDATA" cannot be mounted
ORA-15063: ASM discovered an insufficient number of disks for diskgroup
"VRTXUATDATA"
ORA-15017: diskgroup "RMANFRA" cannot be mounted
ORA-15063: ASM discovered an insufficient number of disks for diskgroup
"RMANFRA"
ORA-15017: diskgroup "RMANDATA" cannot be mounted
ORA-15063: ASM discovered an insufficient number of disks for diskgroup
"RMANDATA"
ORA-15017: diskgroup "POSUATFRA" cannot be mounted
ORA-15063: ASM discovered an insufficient number of disks for diskgroup
"POSUATFRA"
ORA-15017: diskgroup "POSUATDATA" cannot be mounted
ORA-15063: ASM discovered an insufficient number of disks for diskgroup
"POSUATDATA"
ORA-15017: diskgroup "POSSITFRA" cannot be mounted
ORA-15063: ASM discovered an insufficient number of disks for diskgroup
"POSSITFRA"
ORA-15017: diskgroup "POSSITDATA" cannot be mounted
ORA-15063: ASM discovered an insufficient number of disks for diskgroup
"POSSITDATA"
ORA-15017: diskgroup "OIDQAFRA" cannot be mounted
ORA-15063: ASM discovered an insufficient number of disks for diskgroup
"OIDQAFRA"
ORA-15017: diskgroup "OIDQADATA" cannot be mounted
ORA-15063: ASM discovered an insufficient number of disks for diskgroup
"OIDQADATA"
ORA-15017: diskgroup "OCR_DATA" cannot be mounted
ORA-15063: ASM discovered an insufficient number of disks for diskgroup
"OCR_DATA"

Checked all cluster services are started except ASM

grid@csbenqlrac1 csbenqlrac1]$ crsctl stat res -t -init
--------------------------------------------------------------------------------
NAME TARGET STATE SERVER STATE_DETAILS
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.asm
  1 ONLINE INTERMEDIATE csbenqlrac1 OCR not started
ora.cluster_interconnect.haip
  1 ONLINE ONLINE csbenqlrac1
ora.crf
  1 ONLINE ONLINE csbenqlrac1
ora.crsd
  1 ONLINE OFFLINE
ora.cssd
  1 ONLINE ONLINE csbenqlrac1
ora.cssdmonitor
  1 ONLINE ONLINE csbenqlrac1
ora.ctssd
  1 ONLINE ONLINE csbenqlrac1 OBSERVER
ora.diskmon
  1 OFFLINE OFFLINE
ora.drivers.acfs
  1 ONLINE ONLINE csbenqlrac1
ora.evmd
  1 ONLINE INTERMEDIATE csbenqlrac1
ora.gipcd
  1 ONLINE ONLINE csbenqlrac1
ora.gpnpd
  1 ONLINE ONLINE csbenqlrac1
ora.mdnsd
  1 ONLINE ONLINE csbenqlrac1

Cause

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