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Solaris NFS Client increased CPU Usage With NFS4 & NetApp OnTap 7.3.7P2 (Doc ID 1581554.1)

Last updated on SEPTEMBER 04, 2019

Applies to:

Solaris Operating System - Version 10 3/05 and later
Information in this document applies to any platform.


Solaris 10 server that mounts an NFSv4 volume from a NetApp filer running Data OnTap v 7.3.7P2
experiences a drop in performance defined as:

- a CPU with high system time - this might always be the same CPU, but there will be evidence of a "hot" thread or two.   Systems with few CPUs will of course have more obvious high sys time than those with many CPU strands.

-responses/jobs are very sluggish on the NFSv4 mount.

-uptime shows higher than normal load.  Again, this is relative to the number of available CPU strands.


 The NetApp was recently upgraded to the 7.3.7P2 version of Data OnTap.


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