got these params: fstype=nfs, logdir=/cruc/runs/2226/test_output, mountdev=, mountpoint=
  mountoptions=fg,rw,tcp,vers=3,rsize=32768,wsize=32768,timeo=600,retrans=2,hard,nointr,actimeo=0, fsblocksize=, iosched=
usage: run_fsx -t fstype+ -l logdir -d mountdev+ -p mountpoint+ -o mountoption* -b fsblocksize -s iosched
+ parameters are required,
although mount info can be from ENV variables or from mountinfo.rc file
-o mountoption: can be entered multiple times; the options will be separated with commas.
Must be run as root