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ORA-04031 When mounting an ASM Diskgroup (Doc ID 577350.1)

Last updated on JANUARY 24, 2020

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 10.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.
This problem can occur on any platform.


Getting ORA-04031 when attempt to mount a diskgroup.

ASM alert.log
SQL> alter diskgroup DATA13 mount
Wed May 14 11:53:46 2008
NOTE: cache registered group DATA13 number=13 incarn=0xa2986579
ERROR: ORA-4031 signalled during mount of diskgroup DATA13
ORA-04031: unable to allocate 1061464 bytes of shared memory


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