ZFS Cache & Log Device Failure Handling
Alexander Leidinger
Alexander at Leidinger.net
Fri Sep 3 10:08:11 UTC 2010
Quoting "Jason J. W. Williams" <jasonjwwilliams at gmail.com> (from Thu,
2 Sep 2010 13:30:51 -0600):
> How well does ZFS on FreeBSD handle a dying/wedged log and/or cache
> device? OpenSolaris handles this pretty well in my experience and will
> fail through relatively quickly. But this tends to rely on FMA. Thank
> you in advance.
No problem for the cache device. I have an USB memory stick as a cache
device, and if I just remove it during operation, the system handles
the situation. If you connect it again, you need to remove/readd it
via zfs commands.
I do not use a log device.
Bye,
Alexander.
--
Govern a great nation as you would cook a small fish. Don't overdo it.
-- Lao Tsu
http://www.Leidinger.net Alexander @ Leidinger.net: PGP ID = B0063FE7
http://www.FreeBSD.org netchild @ FreeBSD.org : PGP ID = 72077137
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