On Feb 6, 2009, at 2:24 PM, Marion Hakanson wrote: > [email protected] said: >> How can I diagnose which disk (or other piece of hardware) is >> causing these >> slowdowns? This system isn't in production, so I can do arbitrary >> things to >> it. > > If there's a sick/slow device, it should show up in "iostat -xn 1" > with > larger numbers in the asvc_t, wsvc_t, %w and/or %b columns. These > numbers > don't show up in the "zpool iostat" subcommands.
Yeah, and if you spot such a drive, follow up with a iostat -En and see if it's reporting any errors. Check /var/adm/messages as well for any transport errors that may be emitted by the sd driver. /dale _______________________________________________ storage-discuss mailing list [email protected] http://mail.opensolaris.org/mailman/listinfo/storage-discuss
