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Date: Tue, 24 Jul 2007 10:13:03 +0100
From: "Bryn M. Reeves" <breeves@redhat.com>
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Subject: Re: [linux-lvm] Flexible storga: LVM setup on top of mdadm sets.
	Good idea or not?
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Stuart D. Gathman wrote:
> On Mon, 23 Jul 2007, Luca Berra wrote:
> 
>> On Sun, Jul 22, 2007 at 02:57:33PM -0400, Stuart D. Gathman wrote:
>>> The main drawback to md raid1 is that it always resynchronizes
>>> the *entire* partition when a disk goes offline temporarily.  I also
>> False. md uses bitmaps to avoid this.
> 
> The LVM mirroring uses bitmaps.  Are you sure md raid does?  Since what
> version?
> 

drivers/md/md.c:

   - persistent bitmap code
     Copyright (C) 2003-2004, Paul Clements, SteelEye Technology, Inc.

Cheers,
Bryn.
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