ASM Disk Group Will not Mount In Presence Of Duplicate Disks / Devices: ORA-15032, ORA-15017, ORA-15063 (Doc ID 1501660.1)

Last updated on SEPTEMBER 22, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 and later
Information in this document applies to any platform.
***Checked for relevance on 11-May-2014***

Symptoms

2 node RAC - 11201 - Solaris10


ASM does not mount ASM disk groups because it finds insufficient disks.  This prevents Oracle Clusterware's CRS to start as the OCR diks are stored in ASM:

(1) These entries are similar to <Note:1384692.1>

Cause

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