^Olker, Dave (2002-09-13). "Local Filesystem Considerations: iozone". Optimizing NFS Performance: Tuning and Troubleshooting NFS on HP-UX Systems (1st ed.). Upper Saddle River, New Jersey: Prentice Hall. pp. 24–26. ISBN0-13-042816-7. iozone is one of the more sophisticated filesystem performance benchmark utilities available.