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Parallel slaves stuck on I/O operation with no I/O issue (Doc ID 2891118.1)

Last updated on APRIL 17, 2023

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.1 and later
Information in this document applies to any platform.

Symptoms

Parallel slaves or any other user process gets stuck on I/O operation and they won't move from the same state. Even trying to collect errorstack will not yield anything and the process simply doesn't write anything. There is no issue at I/O layer and the process is not in D state.

Changes

No changes or moved to multitenant architecture where PATH_PREFIX is set CDB Root level or created new CDB with PATH_PREFIX set.

Cause

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In this Document
Symptoms
Changes
Cause
Solution


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