I use iostat -x because I need extended stats. I'm interested in 
measuring await and svctm provided by iostat -x to monitor the latency 
on the disk device I'm monitoring.

-Paul


Bernard Li wrote:
> Hi guys:
>
> Thanks for the responses.
>
> Both Paul and John mentioned iostat with -x -- if I am only interested
> in the KB/s read/write stats, is there a difference between iostat -k
> and iostat -x?  Perhaps one is faster than the other?
>
> Cheers,
>
> Bernard
>
> On Mon, Mar 24, 2008 at 8:00 PM, john allspaw <[EMAIL PROTECTED]> wrote:
>   
>> Bernard:
>>
>>  We usually just take bits from "iostat -x 4 2", yes. :)
>>  -j
>>
>>
>>
>>  ----- Original Message ----
>>  > From: Bernard Li <[EMAIL PROTECTED]>
>>  > To: Ganglia <[email protected]>
>>  > Sent: Monday, March 24, 2008 3:07:37 PM
>>  > Subject: [Ganglia-general] Block device I/O bandwidth
>>  >
>>  > Hi guys:
>>  >
>>  > I am curious as to what folks usually do to measure block device I/O
>>  > bandwidth (MB/s) with their Ganglia installation.  Talking
>>  > specifically about disk I/O, do you guys usually just use the output
>>  > of iostat -k or something like that?
>>  >
>>  > Thanks,
>>  >
>>  > Bernard
>>  >
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