From: Dexter Filmore <Dexter.Filmore@gmx.de>
To: Neil Brown <neilb@suse.de>
Cc: linux-raid@vger.kernel.org
Subject: Re: softraid and multiple distros
Date: Tue, 16 May 2006 14:24:48 +0200 [thread overview]
Message-ID: <200605161424.49057.Dexter.Filmore@gmx.de> (raw)
In-Reply-To: <17513.47199.99460.746601@cse.unsw.edu.au>
> So in the very simple one-array situation, this is probably safe.
> But it doesn't generalise. If you have two array of distinct devices,
> then something like
>
> ARRAY /dev/md0 devices=/dev/sda1,/dev/sdb1,/dev/sdc1,/dev/sdd1
> ARRAY /dev/md1 devices=/dev/sde1,/dev/sdf1,/dev/sdg1,/dev/sdh1
>
> is not safe. If /dev/sda1 fails, you pull it out and reboot, then md1
> won't be assembled properly as everything will get renamed.
> In general it is safer to use UUIDs
>
> DEVICE /dev/sd[a-z][0-9]
> ARRAY /dev/md0 uuid=whatever
> ARRAY /dev/md1 uuid=whatever:else
>
> Hope that makes it reasonably clear.
Absolutely, thanks.
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next prev parent reply other threads:[~2006-05-16 12:24 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-14 13:47 softraid and multiple distros Dexter Filmore
2006-05-14 14:50 ` Mark Hahn
2006-05-14 18:00 ` Dexter Filmore
2006-05-14 18:42 ` Mark Hahn
2006-05-15 11:50 ` Dexter Filmore
2006-05-15 12:16 ` Mark Hahn
2006-05-14 22:51 ` Neil Brown
2006-05-15 12:54 ` Dexter Filmore
2006-05-15 22:08 ` Neil Brown
2006-05-16 10:16 ` Dexter Filmore
2006-05-16 11:32 ` Neil Brown
2006-05-16 12:24 ` Dexter Filmore [this message]
2006-05-14 22:47 ` Neil Brown
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