[Q] how to check disk performance ?

[Justin Alexander]

I'm sorry maybe I'm missing something here, but wouldn't "hdparm -tT" work
just fine?

<quote who="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
>
>
>
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-- 
Justin K. Alexander
Jerusalem, Israel