Date: Wed, 09 Oct 2013 15:25:13 +0100 From: Pete French <petefrench@ingresso.co.uk> To: freebsd-stable@freebsd.org Subject: hast and zfs trim possibly causing some problems in 9.2 Message-ID: <E1VTuhN-0006UM-73@dilbert.ingresso.co.uk>
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I just had a machine fall over on my for the first time in ages - one of a pair of machine we have running hast with zfs on top. I havent got any concrete evidence of what made it die as yet, but I did notice the logifles filling up with thoursands of lines like this just prior to the crash: serpentine-active hastd[1522]: [serp1] (primary) Remote request failed (Operation not supported): DELETE(26847744000, 1536). so I am guessing taht is ZFS trying to send a trim command to hast, and hast does not support it. Have disabled zfs trim now, but thought it was worth mentioning - I would have not expected zfs to be trying to issue a trim command to an underlying device which doesnt support it. These machines were rock solid under 8, and the only chnage I can see with 9 is the trim support being added. cheers, -pete.
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