I'm running a server with 3 RAID5 arrays through an ARECA 1880i coupled with a HP-SAS Expander. After experiencing a massive degradation in performance lately, I want to benchmark the drives ...
Is there a command to drop the ZFS and UFS disk caches? (Preferably just one folder hierarchy.) I'm trying to tuning the performance settings of an application that read/writes data from a large ...
I am testing disk I/O performance on a server of mine, which will eventually run Postgresql. I am following this web site to perform my benchmarks. The benchmark consists of running dd and ...
After a quick search on Freshmeat I found nothing. Anybody know of a good utility? I normally use time (dd if=/dev/zero of=newfile ...) to test write speed and hdparm -t to test read speed. Thanks. ...
On Linux I would usually use "hdparm -tT device" when I want a quick idea of how an hard drive is performing compared to another; having switched to Mac OS X a few months back I have yet to find ...
I would like to test a few of my workstations hard drive performance and would like to know what are some good utilities for this task. They aren't database, nor file servers so I don't need anything ...