From: Moshe Yudkowsky <moshe@pobox.com>
To: Michael Tokarev <mjt@tls.msk.ru>
Cc: Janek Kozicki <janek_listy@wp.pl>, linux-raid@vger.kernel.org
Subject: Re: Deleting mdadm RAID arrays
Date: Tue, 05 Feb 2008 08:33:57 -0600 [thread overview]
Message-ID: <47A873D5.3000201@pobox.com> (raw)
In-Reply-To: <47A86A12.2090405@msgid.tls.msk.ru>
Michael Tokarev wrote:
> Janek Kozicki wrote:
>> Marcin Krol said: (by the date of Tue, 5 Feb 2008 11:42:19 +0100)
>>
>>> 2. How can I delete that damn array so it doesn't hang my server up in a loop?
>> dd if=/dev/zero of=/dev/sdb1 bs=1M count=10
>
> This works provided the superblocks are at the beginning of the
> component devices. Which is not the case by default (0.90
> superblocks, at the end of components), or with 1.0 superblocks.
>
> mdadm --zero-superblock /dev/sdb1
Would that work if even if he doesn't update his mdadm.conf inside the
/boot image? Or would mdadm attempt to build the array according to the
instructions in mdadm.conf? I expect that it might depend on whether the
instructions are given in terms of UUID or in terms of devices.
--
Moshe Yudkowsky * moshe@pobox.com * www.pobox.com/~moshe
"I think it a greater honour to have my head standing on the ports
of this town for this quarrel, than to have my portrait in the
King's bedchamber." -- Montrose, 20 May 1650
next prev parent reply other threads:[~2008-02-05 14:33 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-05 10:42 Deleting mdadm RAID arrays Marcin Krol
2008-02-05 11:43 ` Moshe Yudkowsky
2008-02-06 9:35 ` Marcin Krol
2008-02-05 12:27 ` Janek Kozicki
2008-02-05 13:52 ` Michael Tokarev
2008-02-05 14:33 ` Moshe Yudkowsky [this message]
2008-02-05 15:16 ` Michael Tokarev
2008-02-05 14:47 ` Auto generation of mdadm.conf (was: Deleting mdadm RAID arrays) Janek Kozicki
2008-02-05 15:34 ` Auto generation of mdadm.conf Michael Tokarev
2008-02-05 18:39 ` Janek Kozicki
2008-02-05 20:12 ` Deleting mdadm RAID arrays Neil Brown
2008-02-06 9:55 ` Marcin Krol
2008-02-06 10:11 ` Peter Rabbitson
2008-02-06 10:32 ` Marcin Krol
2008-02-06 10:43 ` Neil Brown
2008-02-06 12:03 ` Marcin Krol
2008-02-07 2:36 ` Neil Brown
2008-02-07 9:56 ` Marcin Krol
2008-02-07 21:35 ` Bill Davidsen
2008-02-08 9:35 ` Marcin Krol
2008-02-08 12:44 ` Bill Davidsen
2008-02-08 12:52 ` Marcin Krol
2008-02-06 19:03 ` Bill Davidsen
2008-02-06 11:22 ` David Greaves
2008-02-06 11:56 ` Marcin Krol
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