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Date: Mon, 23 May 2011 12:10:50 +0100
From: James Hawtin <oolon@ankh.org>
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Subject: Re: [linux-lvm] LVM - Combining different hard drives with
 different specs ?
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To: LVM general discussion and development <linux-lvm@redhat.com>

Stuart D. Gathman wrote:
>
> Even for RAID, they don't have to match.  For RAID1, write speed will 
> follow the slowest drive.
Though combining lower and higher speed drives can increase the wear 
rate on the larger drive (that is atleast what we found when a 10k and 
15k had to be used in a mirror (due to spare drive availablity).

James