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Date:      Sun, 27 Dec 2009 13:05:37 -0800
From:      Steven Schlansker <stevenschlansker@gmail.com>
To:        Wes Morgan <morganw@chemikals.org>
Cc:        freebsd-fs@freebsd.org
Subject:   Re: ZFS: Can't repair raidz2 (Cannot replace a replacing device)
Message-ID:  <5565955F-482A-4628-A528-117C58046B1F@gmail.com>
In-Reply-To: <alpine.BSF.2.00.0912240708020.1450@ibyngvyr>
References:  <048AF210-8B9A-40EF-B970-E8794EC66B2F@gmail.com> <4B315320.5050504@quip.cz> <5da0588e0912221741r48395defnd11e34728d2b7b97@mail.gmail.com> <9CEE3EE5-2CF7-440E-B5F4-D2BD796EA55C@gmail.com> <alpine.BSF.2.00.0912240708020.1450@ibyngvyr>

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On Dec 24, 2009, at 5:17 AM, Wes Morgan wrote:

> On Wed, 23 Dec 2009, Steven Schlansker wrote:
>>=20
>> Why has the replacing vdev not gone away?  I still can't detach -
>> [steven@universe:~]% sudo zpool detach universe 6170688083648327969
>> cannot detach 6170688083648327969: no valid replicas
>> even though now there actually is a valid replica (ad26)
>=20
> Try detaching ad26. If it lets you do that it will abort the =
replacement and then you just do another replacement with the real =
device. If it won't let you do that, you may be stuck having to do some =
metadata tricks.
>=20

Sadly, no go:

  pool: universe
 state: DEGRADED
 scrub: none requested
config:

        NAME                       STATE     READ WRITE CKSUM
        universe                   DEGRADED     0     0     0
          raidz2                   DEGRADED     0     0     0
            ad16                   ONLINE       0     0     0
            replacing              DEGRADED     0     0 5.04K
              ad26                 ONLINE       0     0     0
              6170688083648327969  UNAVAIL      0 1.08M     0  was =
/dev/ad12
            ad8                    ONLINE       0     0     0
            concat/back2           ONLINE       0     0     0
            ad10                   ONLINE       0     0     0
            concat/ad4ex           ONLINE       0     0     0
            ad24                   ONLINE       0     0     0
            concat/ad6ex           ONLINE       0     0     0

errors: No known data errors
[steven@universe:~]% sudo zpool detach universe ad26
cannot detach ad26: no valid replicas
[steven@universe:~]% sudo zpool offline -t universe ad26
cannot offline ad26: no valid replicas




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