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?
You can use plain old vmstat to see blocks being transferred.
--Alex
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