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Date:      Thu, 12 Apr 2007 22:50:05 +0200
From:      des@des.no (Dag-Erling =?iso-8859-1?Q?Sm=F8rgrav?=)
To:        "Joao Barros" <joao.barros@gmail.com>
Cc:        freebsd-fs@freebsd.org, freebsd-current@freebsd.org, Pawel Jakub Dawidek <pjd@freebsd.org>
Subject:   Re: ZFS: amd64, devd, root file system.
Message-ID:  <86odlte2rm.fsf@dwp.des.no>
In-Reply-To: <70e8236f0704121130u1262ccb6r571e18ad1a491dd3@mail.gmail.com> (Joao Barros's message of "Thu, 12 Apr 2007 19:30:31 %2B0100")
References:  <20070409011723.GB74547@garage.freebsd.pl> <20070409094319.GB76673@garage.freebsd.pl> <70e8236f0704090808y5d305175wdc3cee5be1a26a9@mail.gmail.com> <20070409153338.GH76673@garage.freebsd.pl> <70e8236f0704090931v3d62d067kfa25993da10fb331@mail.gmail.com> <86bqhxcifq.fsf@dwp.des.no> <70e8236f0704100852y214dad89g1291bb525f4efc74@mail.gmail.com> <70e8236f0704121130u1262ccb6r571e18ad1a491dd3@mail.gmail.com>

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"Joao Barros" <joao.barros@gmail.com> writes:
> I have a dilemma...

No, you don't.  A dilemma is a situation where one is forced to choose
between two equally uncomfortable options.  You have a problem, a
difficulty, a snag, a conundrum, a predicament, a complication,
possibly a quandary, but not a dilemma.

> The aim is to disconnect the ATA ad0 thus rendering the SATA ad2 to
> ad0, something like this:
>
> ATA channel 0:
>    Master:  ad0 <WDC WD3200KS-00PFB0/21.00M21> Serial ATA II
>    Slave:   ad1 <ST3320620AS/3.AAJ> Serial ATA II
> ATA channel 1:
>    Master:  ad2 <ST3320620AS/3.AAK> Serial ATA II
>    Slave:       no device present
> ATA channel 2:
>    Master:  ad4 <ST3320620AS/3.AAK> Serial ATA II
>    Slave:       no device present
>
> The problem is that the info in zpool.cache is diferent from the new
> disk order and zfs  doesn't pick the volume thus no root fs.
> I jumped on my "let's go for anything" suit and even tried to edit
> zpool.cache by hand with the new disk order, sadly with no luck.

Run "zpool export" before moving the disks, then "zpool import" after
rebooting.

DES
--=20
Dag-Erling Sm=F8rgrav - des@des.no



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