Exadata: Intermittent IO cancellation errors when the daily cron job runs in the cells (Doc ID 2444290.1)

Last updated on FEBRUARY 27, 2019

Applies to:

Symptoms

Following critierias must be met to hit this issue.

• Intermittent Exadata IO cancellation kicking in for the system disks on various cells. 

For more details about 'Exadata I/O Latency Capping', please refer to Doc ID 1925661.1

• The issue always happens at "03:06 am", when the daily cron job runs at the cells.
• Exadata X4 or lower Hardware, which uses Niwot disk controller.

Changes

 N/A

Cause

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