> 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.
systat -vm 1
that will give you all the info u need, you can also try:
systat -io 1 '%busy'
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