From mboxrd@z Thu Jan  1 00:00:00 1970
From: Matthias Urlichs <matthias@urlichs.de>
Subject: Re: question about bitmaps and dirty percentile
Date: Mon, 3 Aug 2009 16:44:57 +0000 (UTC)
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On Fri, 31 Jul 2009 14:09:06 -0500, Jon Nelson wrote:

>> The bitmap never gets cleared unless all disks in the array are in
>> sync.
> 
> Well, that sucks. What is the reasoning behind that?

There's only one bitmap per device. If the bits get cleaned writing to 
disk #2, then the system would forget that they still need to be written 
to disk #3.

-- 
Matthias Urlichs