High waits for "ksfd: async disk io" (Doc ID 1326634.1)

Last updated on DECEMBER 06, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.5 to 11.1.0.7 [Release 10.2 to 11.1]
Information in this document applies to any platform.
***Checked for relevance on 22-Sep-2016***

Symptoms

On running AWR against Oracle Database 11g Enterprise Edition Release 11.1.0.7, it reports high waits on ksfd: async disk IO which can be shown under the "Top 5 Timed Foreground Events" section.

Changes

In this case, waits were reported after applying PSU from 11.1.0.7.2 to 11.1.0.7.4 (for CRS, ASM & DB).

Cause

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