Frustration: replace not doing what I expected.

[Baldur Gislason]

I got it working, what I had to do was to delete a file that the
resilver process reported as being corrupted. Then run a scrub again
and it would upgrade the pool status to healthy.

Baldur

On Sun, Mar 21, 2010 at 10:34:44AM -0500, Wes Morgan wrote:
> On Wed, 17 Mar 2010, Baldur Gislason wrote:
> 
> > A drive failed in a pool and I had to replace it.
> > I did zpool replace ad18 ad18, the pool resilvered for 5 hours
> > and finished but did not return from degraded mode.
> > I tried removing the cache file and reimporting the pool, no change, it
> > hasn't gotten rid of the old drive which does not exist anymore.
> 
> Hmmm. I've successfully replaced a drive that way before, and I'm sure
> many other people have. Did you offline ad18 before doing both the
> physical drive replacement and the zpool replace? I can't recall if that
> is necessary or not. Can you send the relevant output from zpool history?
> 
> The "old" device is part of the metadata on the drive labels, so there is
> no way to remove it like you're wanting without either zfs deciding to
> remove it or rewriting the labels by hand.
> 
> 
> >   pool: zirconium
> >  state: DEGRADED
> > status: One or more devices has experienced an error resulting in data
> >         corruption.  Applications may be affected.
> > action: Restore the file in question if possible.  Otherwise restore the
> >         entire pool from backup.
> >    see: http://www.sun.com/msg/ZFS-8000-8A
> >  scrub: none requested
> > config:
> >
> >         NAME                       STATE     READ WRITE CKSUM
> >         zirconium                  DEGRADED     0     0     0
> >           raidz1                   DEGRADED     0     0     0
> >             ad4                    ONLINE       0     0     0
> >             ad6                    ONLINE       0     0     0
> >             replacing              DEGRADED     0     0     0
> >               2614810928866691230  UNAVAIL      0   962     0  was /dev/ad18/old
> >               ad18                 ONLINE       0     0     0
> >             ad20                   ONLINE       0     0     0