From mboxrd@z Thu Jan  1 00:00:00 1970
From: John Robinson <john.robinson@anonymous.org.uk>
Subject: Re: Removing a failing drive from multiple arrays
Date: Fri, 20 Apr 2012 17:31:24 +0100
Message-ID: <4F918F5C.2000607@anonymous.org.uk>
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To: John Stoffel <john@stoffel.org>
Cc: Bill Davidsen <davidsen@tmr.com>, Linux RAID <linux-raid@vger.kernel.org>
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On 20/04/2012 15:35, John Stoffel wrote:
>
> Bill>  I have a failing drive, and partitions are in multiple
> Bill>  arrays.
>
> Ugh!  Why?  This is why I love LVM on top of MD.  I just mirror
> drives, then carve them up as needed.  Yes, you need to have two (or
> more) drives of the same approximate size, but that's easy.
>
> Mirroring partitions just seems to be asking for trouble to me.

On small machines (3-6 drives) I will regularly have a RAID-1 /boot, 
RAID-10 swap and RAID-5 or 6 everything else, done with partitions. I do 
use LVM too though - that "everything else" will be LVM over the big RAID.

Cheers,

John.