mcclnx mcc wrote:
we just purchase new I/O card and like to check I/O performance.
for sequence I/O performance test we can use "hdparm -t /dev/xxx"
bur for random I/O performance test which Linux command I can use?
** our environment does NOT allow install third party software..
What do you mean by "third party software"? There *is* a package in the epel repository named stress that will, I think, do what you want.
mark