Date: Thu, 22 Jun 2006 16:12:55 -0600 (MDT) From: Matt Ruzicka <matt@frii.com> To: freebsd-questions@freebsd.org Subject: Tracking if disk is busy Message-ID: <Pine.BSF.4.64.0606221603390.59395@elara.frii.com>
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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? Thanks. Matt Ruzicka - Systems Administrator Front Range Internet, Inc. matt@frii.net - (970) 212-0728
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