**questions** Re: Tracking if disk is busy

Matt Ruzicka matt at frii.com
Fri Jun 23 14:18:21 UTC 2006

Thanks for all the input, this puts us on track.  Seems like considering 
snmp is probably our best bet based on our needs, but these other 
suggestions give lots of good info.


Matt Ruzicka - Senior Systems Administrator
Front Range Internet, Inc.
matt at frii.net - (970) 212-0728

On Fri, 23 Jun 2006, Nikos Vassiliadis wrote:

> On Friday 23 June 2006 01:12, Matt Ruzicka wrote:
>> We've got a couple servers that appear to have particularly busy disks and
>> I was trying to determine if there is a way to more easily poll this data
>> for tracking.
>> I'm not sure if this is one of those can't see the forest for the trees
>> issues or not, but the only means that I am familiar with to see the
>> percentage of time the disk is busy is to run 'systat -vmstat'.  I was
>> hoping for something more concise that I could run periodically and maybe
>> even graph (realizing that watching this might well distort the results).
>> It appears that iostat on Solaris gives this information, but I can't seem
>> to mimic this functionality with FreeBSD.
>> Are there other ways in FreeBSD to pull the percentage of time the disk is
>> busy?
> gstat gives percentage load per (device|slice|partition) which is what I think
> you need. but it's written for interactive use, it issues commands to the
> terminal so you cannot have its output to file...
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