ZFS: Strange performance issues

Carl Chave carl at chave.us
Mon Oct 19 23:34:24 UTC 2009


Don't know, but, I will paste in a portion of the ZFS admin guide from SUN:

Because these statistics are cumulative since boot, bandwidth might
appear low if the pool is
relatively idle. You can request a more accurate view of current
bandwidth usage by specifying
an interval. For example:

# zpool iostat tank 2

Later it says about the -v option:

You can use the same set of options (interval and count) when
examining virtual device


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