On Thu, 4 Mar 2010, Christian Heßmann wrote:

I've already written this on the FreeBSD forums, but so far, the feedback is not so great - seems FreeBSD guys aren't that keen on ZFS. I have some hopes

I see lots and lots of zfs traffic on the discussion list "freebsd...@freebsd.org". This is where the FreeBSD filesystem developers hang out.

        raidz1       DEGRADED   326     0     0
          replacing  DEGRADED     0     0     0
            ad16p2   OFFLINE      2  169K     6
            ad4p2    ONLINE       0     0     0  839G resilvered
          ad14p2     ONLINE       0     0     0  5.33G resilvered
          ad15p2     ONLINE     418     0     0  5.33G resilvered

Unfortunately, although it says the resilvering completed, I can't detach ad16p2 (the first faulted disk) from the system:

The zpool status you posted shows that ad16p2 is still in 'replacing' mode. If this is still the case, then it could be a reason that the original disk can't yet be removed.

To be honest, I don't know how to proceed now. It feels like my system is in a very unstable state right now, with a replacement not yet finished and errors on two drives in one RAID.Z1.

If it is still in 'replacing' mode then it seems that the best policy is to just wait. If there is no drive activity on ad4p2 then there may be something more wrong.

Cold booting a system can be one of the scariest things to do so it should be a means of last resort. Maybe the system would not come back.

Bob
--
Bob Friesenhahn
bfrie...@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/
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