On Tue, Aug 28, 2007 at 10:02:42AM -0700, Bakul Shah wrote: > > When you don't use redundant configuration (no mirror, no raidz, no > > copies>1) then ZFS is going to panic on a write failure. It looks like > > ZFS found a bad block on your disk. > > Does SUN really say this about ZFS? Is this acceptable in a > production environment? What if one of your mirrored disk > fails and in the "degraded" environment (before you have had > a chance to replace the bad disk) ZFS discovers that a write > fails? Why can't it find an alternative block to write to? There were many complains on zfs-discuss_at_, you may want to look into archive. The short version is that many users doesn't like that, and it should change in the future - because of COW model it should be quite easy to just mark block as bad and take next one, but it's not currently implemented. It's much less of a problem when one uses redundancy. -- Pawel Jakub Dawidek http://www.wheel.pl pjd_at_FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am!
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