V$ASM_DISK may Contain Invalid Values on Column READ_ERRS (Doc ID 1275848.1)

Last updated on APRIL 24, 2012

Applies to:

Oracle Exadata Storage Server Software - Version 11.2.1.2.1 and later
Information in this document applies to any platform.

Symptoms

Error count in column READ_ERRS of  V$ASM_DISK view may have invalid data. For example, READ_ERRS column value could  be bigger that READS column value, or it could have a big number which is multiple of the Oracle block size while no I/O errors are reported anywhere else.
There are no I/O related errors in alert.log files (database and asm) or at storage cell.

Cause

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