Date: Thu, 22 Jun 2006 19:42:56 -0400 From: "Tamouh H." <hakmi@rogers.com> To: "'Dan Nelson'" <dnelson@allantgroup.com>, "'Matt Ruzicka'" <matt@frii.com> Cc: freebsd-questions@freebsd.org Subject: RE: Tracking if disk is busy Message-ID: <20060622234246.1AD49454CC@mx1.FreeBSD.org> In-Reply-To: <20060622222509.GA95588@dan.emsphone.com>
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> > In the last episode (Jun 22), Matt Ruzicka said: > > 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. > > iostat on -current and 6-stable has a Solaris-style -x mode > with a percent-busy column. > > -- Use : systat -vm 1 that will give you all the info u need, you can also try: systat -io 1 '%busy'
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