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

Last updated on OCTOBER 31, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 to 10.2.0.4 [Release 10.2]
Information in this document applies to any platform.
This problem can occur on any platform.

Symptoms

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
("LARGE POOL","UNKN

Cause

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