If you are running OneFSv7.0 run following: man isi-statistics  For OneFSv6.5 man isistatistics
hello,  we are analyzing performance issues of one of isilon cluster , i am able to run isi statistics xxx cmds but i would like to know the header meanings like what is Ops / in / Out stands for. is there any way to get that info, i lookup for CLI guide in emc support page no luck. [ man of below giving description of cmd but no depth meaning of headers ] .  nas6# man isistatistics No manual entry for isistatistics   nas6# man isi statistics NAME        isi -- OneFS cluster administration.   DESCRIPTION        The  isi  command  allows a variety of operations to be performed on an        Isilon cluster.  These commands  are  generally  independent,  and  few        flags  are shared.  The base command provides a --help flag to retrieve        general usage information, and additionally each subcommand provides  a        --help flag to retrieve usage information for that specific command.  A        full description of each subcommand and its  arguments  and  parameters        follows.  thank you.
man page - isistatistics