Direct NFS: Channel Id Path to Filer Ping Timeout (Doc ID 1427921.1)

Last updated on OCTOBER 31, 2016

Applies to:

Oracle Server - Enterprise Edition - Version: 11.2.0.2 and later   [Release: 11.2 and later ]
Information in this document applies to any platform.

Symptoms


All production databases using dNFS have slow performance
or server seems to hang when starting the media recovery (which is I/O intensive workload).
NetApp Filers data ONTAP 7.3.4 with NFS ver3.

11gR2 database alert log shows :

Thu Jan 19 14:29:59 2012
RSM0 started with pid=32, OS id=32549
Thu Jan 19 14:30:02 2012
Direct NFS: channel id 0 path filerb-pgt to filer filerb-pgt PING timeout
Thu Jan 19 14:30:02 2012
Direct NFS: channel id 0 path filerb-pgt to filer filerb-pgt PING timeout
....


 

Changes

Starting Dataguard on a remote Oracle cluster

Cause

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