> 6322646 ZFS should gracefully handle all devices
> failing (when writing)
> 
> Which is being worked on.  Using a redundant
> configuration prevents this
> from happening.

What do you mean with "redundant"?  All our servers has 2 or 4 HBAs, 2 or 4 fc 
switches and storage arrays with redundant controllers.
We used only RAID10 zpools but we still had them corrupted.
 
> http://www.opensolaris.org/os/community/zfs/faq/#whyno
> fsck
> 
> Writing such a tool is effectively impossible.  For
> the one known
> corruption bug we've encountered (and since fixed, we
> provided the
> 'zfs_recover' /etc/system switch, but it only works
> for this particular
> bug.  Without understanding the underlying pathology
> it's impossible to
> "fix" a ZFS pool.

I think this is a very importand drawback of ZFS.
 
 
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