From: Orion Poplawski <orion@cora.nwra.com>
To: Neil Brown <neilb@cse.unsw.edu.au>
Cc: linux-raid@vger.kernel.org
Subject: Re: raid5 missing drive at boot question
Date: Fri, 23 Sep 2005 08:51:45 -0600 [thread overview]
Message-ID: <43341681.3010604@cora.nwra.com> (raw)
In-Reply-To: <17203.50314.435293.665922@cse.unsw.edu.au>
Neil Brown wrote:
> On Thursday September 22, orion@cora.nwra.com wrote:
>
>>I created a new 8 disk raid5 set with no spares. Now, when I boot I end
>>up with:
>>
>>
>>md3 : active raid5 sdp1[7] sdo1[6] sdn1[5] sdm1[4] sdl1[3] sdk1[2] sdi1[0]
>> 3418687552 blocks level 5, 64k chunk, algorithm 2 [8/7] [U_UUUUUU]
>>
>>which I believe is a "degraded" array. I then have to do:
>>
>>mdadm -M -a /dev/md3 /dev/sdj1
>>
>>to add in the missing disk. I had to do this after it was created as well.
>>
>>Why does this happen? What am I not understanding?
>
>
> I suspect that partition sdj1 isn't marked as 0xfd (auto-detect).
>
> NeilBrown
Right on the money, thanks!
--
Orion Poplawski
System Administrator 303-415-9701 x222
Colorado Research Associates/NWRA FAX: 303-415-9702
3380 Mitchell Lane, Boulder CO 80301 http://www.co-ra.com
prev parent reply other threads:[~2005-09-23 14:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-22 22:28 raid5 missing drive at boot question Orion Poplawski
2005-09-23 9:02 ` Neil Brown
2005-09-23 14:51 ` Orion Poplawski [this message]
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