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RMAN Backups Hang using dNFS With NFSv4 (Doc ID 2504179.1)

Last updated on JANUARY 07, 2020

Applies to:

Oracle Database - Enterprise Edition - Version 12.2.0.1 and later
Information in this document applies to any platform.

Symptoms

o A RMAN backup for a 12.2..0.1 database hangs eventually the processes wait event is "Disk file operations I/O".

o Backups are done to ZFS file systems. 11.2.0.4 and 12.1.0.2 databases on the cluster are able to run backups with no issues.

o The dNFS traces, after setting events, shows a process sending continuously:

 

2018-10-31 12:59:39.053 :Direct NFS:kgnfsv4.c@4091:kgnfs_complete_create4():22:50842: status 10011

2018-10-31 12:59:39.053 :Direct NFS:kgnfsv4.c@5341:kgnfs_nfs4error():22:50842: State management error 10011

2018-10-31 12:59:39.053 :Direct NFS:kgnfs.c@13558:kgnfs_processmsg():22:50842: Got state management error 10011, reissuing 1 ops

2018-10-31 12:59:39.053 :Direct NFS:kgnfs.c@3864:kgnfs_renew_state():22:50842: Renewing state for error 10011

2018-10-31 12:59:39.053 :Direct NFS:kgnfs.c@3994:kgnfs_renew_state():22:50842: Return status is 0

 

Changes

12.2.0.1 was just installed

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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