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Exadata: EM AND V$ASM_DISK SHOWS ASM DISK READ ALERTS ,BUT NO ERROR FOUND AT CELL SIDE (Doc ID 1950496.1)

Last updated on MAY 30, 2015

Applies to:

Oracle Exadata Storage Server Software - Version 11.2.3.3.0 to 12.1.1.1.1 [Release 11.2 to 12.1]
Information in this document applies to any platform.

Symptoms

 Enterprise Manager and V$ASM_DISK shows disk read error alerts consistently for Grid disks on Exadata.


Receiving below alerts

Warning:+ASM_dm-clu - Disk DATA.DATA_CD_01_CELL02 has 100 Read errors.

 

The V$ASM_DISK shows READ error

 

SQL> select read_errs, write_errs from v$asm_disk d, v$asm_diskgroup dg where dg.name='DATA' and d.name='DATA_CD_01_CELL02';

READ_ERRS WRITE_ERRS

---------- ----------

100 0

 

Changes

 Upgraded cell software version to 11.2.3.3.0 or higher

Cause

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