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"waiting for instance recovery of group" messages appear in ASM alert.log repeatedly (Doc ID 2419249.1)

Last updated on JULY 25, 2018

Applies to:

Oracle Exadata Storage Server Software - Version 11.1.0.3.0 to 12.2.1.1.6 [Release 11.1 to 12.2]
Information in this document applies to any platform.

Symptoms

When DB server is rebooted forcibly, following messages appear in alert.log of ASM instance on existing nodes.

2018-03-01T00:37:35.154168+09:00
NOTE: waiting for instance recovery of group 2
2018-03-01T00:37:35.466304+09:00
NOTE: waiting for instance recovery of group 1
2018-03-01T00:37:35.510205+09:00
NOTE: waiting for instance recovery of group 1
2018-03-01T00:37:36.018153+09:00
NOTE: waiting for instance recovery of group 2
2018-03-01T00:37:38.154226+09:00
NOTE: waiting for instance recovery of group 2

While these messages appear in alert.log of ASM instances, GMON process of ASM instances wait for "kfk: async disk IO".

And on DB instances, SMON process may receive ORA-240.

Changes

This problem may occur when voting disks are placed under Quorum Disk  on Exadata environment.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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