ASM diskgroup dismount with "Waited 15 secs for write IO to PST" (Doc ID 1581684.1)

Last updated on JULY 24, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.3 to 12.1.0.2 [Release 11.2 to 12.1]
Oracle Database - Enterprise Edition - Version 10.2.0.4 to 10.2.0.4 [Release 10.2]
Information in this document applies to any platform.

Symptoms

 

Normal or high redundancy diskgroup is dismounted with these WARNING messages.

//ASM alert.log


Mon Jul 01 09:10:47 2013
WARNING: Waited 15 secs for write IO to PST disk 1 in group 6.
WARNING: Waited 15 secs for write IO to PST disk 4 in group 6.
WARNING: Waited 15 secs for write IO to PST disk 1 in group 6.
WARNING: Waited 15 secs for write IO to PST disk 4 in group 6.
....
GMON dismounting group 6 at 72 for pid 44, osid 8782162 



 

 

Cause

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