From: Asdo <asdo@shiftmail.org>
To: John Robinson <john.robinson@anonymous.org.uk>
Cc: linux-raid <linux-raid@vger.kernel.org>
Subject: Re: First raid1 sector gets zeroed at first reboot
Date: Wed, 17 Aug 2011 16:00:13 +0200 [thread overview]
Message-ID: <4E4BC96D.1020802@shiftmail.org> (raw)
In-Reply-To: <4E4BC586.10109@anonymous.org.uk>
On 08/17/11 15:43, John Robinson wrote:
>
> The first sector of a md RAID with metadata 1.0 is in its data area,
> so there's no way md is writing to this area itself, it's almost
> certainly the filesystem that's writing it.
>
> I think installing grub on a md partition is a bad idea. You can use
> metadata 1.2 to have the first 4K left free, but grub may write its
> stage 1.5 code to the first 31.5K of a device (whole drive or partition).
>
No you are confusing it with metadata 1.1 .
Metadata 1.0 has the data at the end like 0.9 .
Writing there is semantically correct.
Thank you
next prev parent reply other threads:[~2011-08-17 14:00 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-16 17:42 First raid1 sector gets zeroed at first reboot Asdo
2011-08-17 13:43 ` John Robinson
2011-08-17 14:00 ` Asdo [this message]
2011-08-17 14:34 ` John Robinson
2011-08-17 16:45 ` Asdo
2011-08-17 17:32 ` John Robinson
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