nfsiostat Man page

nfsiostat(8) System Manager’s Manual nfsiostat(8)


nfsiostat – Emulate iostat for NFS mount points using


nfsiostat [[] []] [][]


The nfsiostat command displays NFS client per-mount statisitics.

specifies the amount of time in seconds between each report.
The first report contains statistics for the time since each
file system was mounted. Each subsequent report contains sta‐
tistics collected during the interval since the previous report.

If the parameter is specified, the value of
determines the number of reports generated at seconds
apart. if the interval parameter is specified without the
parameter, the command generates reports continuously.
Define below

If one or more names are specified, statistics for
only these mount points will be displayed. Otherwise, all NFS
mount points on the client are listed.


-a or –attr
displays statistics related to the attribute cache

-d or –dir
displays statistics related to directory operations

-h or –help
shows help message and exit

-l LIST or –list=LIST
only print stats for first LIST mount points

-p or –page
displays statistics related to the page cache

-s or –sort
Sort NFS mount points by ops/second

show program’s version number and exit



iostat(8), mountstats(8), nfsstat(8)


Chuck Lever

15 Apr 2010 nfsiostat(8)