Date: Tue, 28 Sep 2010 13:24:28 +0200 From: Willem Jan Withagen <wjw@digiware.nl> To: stable@freebsd.org, fs@freebsd.org Subject: Still getting kmem exhausted panic Message-ID: <4CA1D06C.9050305@digiware.nl>
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Hi, This is with stable as of yesterday,but with an un-tunned ZFS box I was still able to generate a kmem exhausted panic. Hard panic, just 3 lines. The box contains 12Gb memory, runs on a 6 core (with HT) xeon. 6* 2T WD black caviar in raidz2 with 2*512Mb mirrored log. The box died while rsyncing 5.8T from its partnering system. (that was the only activity on the box) So the obvious would to conclude that auto-tuning voor ZFS on 8.1-Stable is not yet quite there. So I guess that we still need tuning advice even for 8.1. And thus prevent a hard panic. At the moment trying to 'zfs send | rsh zfs receive' the stuff. Which seems to run at about 40Mb/sec, and is a lot faster than the rsync stuff. --WjW
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