[Q] how to check disk performance ?

[Ben Yau]

> -----Original Message-----
> From: redhat-list-admin at redhat.com
> [mailto:redhat-list-admin at redhat.com]On Behalf Of bbaa aaa
> Sent: Thursday, February 26, 2004 5:01 AM
> To: redhat-list at redhat.com
> Subject: [Q] how to check disk performance ?
>
>
> We would like check disks performance under AS2.1.  The disk
> include local
> disks and SAN disks.  does there has better way or utility can do it?
>
> Thanks.
>
>

Here are a few GNU utilities to check out
http://www.gnu.org/directory/sysadmin/monitor/IOzone.html
IOzone - Filesystem benchmark tool
(it looks complex.  I haven't used it before)

http://www.gnu.org/directory/sysadmin/monitor/xhdbench.html
Xhdbench - Tests output speed of various devices
(have not used this before either)

http://www.gnu.org/directory/sysadmin/monitor/sysstat.html
Sysstat - The sar, mpstat, and iostat commands
iostat is a pretty simple disk utility which is for some reason missing from
redhat (it's on solaris and other unices).  If you're familiar with vmstat
or netstat, iostat is similar in ease of use.


Ben