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Date:      Sun, 17 Oct 2004 15:33:06 +0200 (CEST)
From:      Gheorghe Ardelean <ardelean@ww.uni-erlangen.de>
To:        <randall272-fbsd@yahoo.com>
Cc:        freebsd-alpha@freebsd.org
Subject:   Re: AS1000A with Mylex DAC960 RAID-5 as only disk
Message-ID:  <Pine.LNX.4.33.0410171528070.9139-100000@servww6.ww.uni-erlangen.de>
In-Reply-To: <20041017112642.93053.qmail@web50610.mail.yahoo.com>

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Hi,

IIRC if the disk has already a partition (e.g. from ia32 or something
else) you have to zero out the first sectors in order to be reconized.

I am allways doing

dd if=/dev/zero of=/dev/mydiscdev count=100 bs=512

Unfortunately this should be done on an other machine or on other OS on
the same machine (if available). After this the disk is recognized.

I think this is written somewhere in the docs/faqs or mailarchives.

Regards,

Johny.




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