linux-kernel - Re: Kernel 2.6.23.9 + mdadm 2.6.2-2 + Auto rebuild RAID1?

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Message-ID: <Pine.LNX.4.64.0712011313490.30316@fbirervta.pbzchgretzou.qr>
Date:	Sat, 1 Dec 2007 13:17:40 +0100 (CET)
From:	Jan Engelhardt <jengelh@...putergmbh.de>
To:	Justin Piszcz <jpiszcz@...idpixels.com>
cc:	linux-kernel@...r.kernel.org, linux-raid@...r.kernel.org,
	apiszcz@...arrain.com
Subject: Re: Kernel 2.6.23.9 + mdadm 2.6.2-2 + Auto rebuild RAID1?


On Dec 1 2007 07:12, Justin Piszcz wrote:
> On Sat, 1 Dec 2007, Jan Engelhardt wrote:
>> On Dec 1 2007 06:19, Justin Piszcz wrote:
>>
>> > RAID1, 0.90.03 superblocks (in order to be compatible with LILO, if
>> > you use 1.x superblocks with LILO you can't boot)
>>
>> Says who? (Don't use LILO ;-)
>
> I like LILO :)

LILO cares much less about disk layout / filesystems than GRUB does,
so I would have expected LILO to cope with all sorts of superblocks.
OTOH I would suspect GRUB to only handle 0.90 and 1.0, where the MDSB
is at the end of the disk <=> the filesystem SB is at the very beginning.

>> > So two questions:
>> >
>> > 1) If it rebuilt by itself, how come it only rebuilt /dev/md0?
>>
>> So md1/md2 was NOT rebuilt?
>
> Correct.

Well it should, after they are readded using -a.
If they still don't, then perhaps another resync is in progress.
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