On Fri, Jan 05, 2007 at 10:14:21AM -0800, Eric Hill wrote:
> I have a pool of 48 500GB disks across four SCSI channels (12 per
> channel). One of the disks failed, and was replaced. The pool is now
> in a degraded state, but I can't seem to get the pool to be happy with
> the replacement. I did a resilver and the pool is error free with the
> exception of this dead target.
>
> ...
>
> So why in the world does zfs think that the disk isn't available and
> why can't I re-enable it?
ZFS can see the disk, but it's a different disk than the one that used
to be there. Have you tried:
zpool replace pool c5t6d0
The difference between replace and online is that you can only online a
disk that was previously taken offline (that is, it has to be the same
exact disk with the same exact data on it). If it is a different disk,
then you have to do "zpool replace" to tell ZFS you wish reconstruct the
contents of the old disk onto the new one and forget the old one ever
existed.
--Bill
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