ORA-15063 during the startup of ASM instance (Doc ID 745116.1)

Last updated on OCTOBER 31, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 10.1.0.2 and later
Information in this document applies to any platform.
***Checked for relevance on 27-Feb-2011***
***Checked for relevance on 02-Sep-2014***

Symptoms

During the startup of the ASM Instance we get the following errors:

startup
ASM instance started

Total System Global Area 130023424 bytes
Fixed Size 2071104 bytes
Variable Size 102786496 bytes
ASM Cache 25165824 bytes
ORA-15032: not all alterations performed
ORA-15063: ASM discovered an insufficient number of disks for diskgroup "DG1, DG2, DG3, DG4"  

Cause

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