System hang after replaced the storage for ASM (Doc ID 2014819.1)

Last updated on SEPTEMBER 05, 2015

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 and later
IBM AIX on POWER Systems (64-bit)

Symptoms

On : 10.2.0.3 version, STORAGE

During the system operating , the ASM seems hang with the following enqueue info

ERROR
-----------------------

Fri May 22 01:27:03 2015
GES: Potential blocker (pid=15043) on resource HD-00000000-00000000;
enqueue info in file /oracle/app/oracle/admin/+ASM/bdump/+asm1_lmd0_7925.trc and DIAG trace file
Fri May 22 02:46:31 2015
GES: Potential blocker (pid=17010) on resource HD-00000000-00000000;
enqueue info in file /oracle/app/oracle/admin/+ASM/bdump/+asm1_lmd0_7925.trc and DIAG trace file
Fri May 22 04:05:57 2015
GES: Potential blocker (pid=24200) on resource HD-00000000-00000000;
enqueue info in file /oracle/app/oracle/admin/+ASM/bdump/+asm1_lmd0_7925.trc and DIAG trace file
Fri May 22 05:25:26 2015
GES: Potential blocker (pid=3447) on resource HD-00000000-00000000;
enqueue info in file /oracle/app/oracle/admin/+ASM/bdump/+asm1_lmd0_7925.trc and DIAG trace file

 

In System State Dump , we could see the blocker was hang on query v$asm_diskgroup with event "enq:hd-contention";

 



Changes

 Customer replaced the storage for ASM

Cause

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