From mboxrd@z Thu Jan  1 00:00:00 1970
From: Roy Sigurd Karlsbakk <roy@karlsbakk.net>
Subject: Re: Updating RAID[56] support
Date: Fri, 30 Apr 2010 21:23:33 +0200 (CEST)
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References: <1272564366.3367.4143.camel@macbook.infradead.org>
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Cc: linux-btrfs@vger.kernel.org, Chris Mason <chris.mason@oracle.com>
To: David Woodhouse <dwmw2@infradead.org>
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----- "David Woodhouse" <dwmw2@infradead.org> skrev:

> I've been looking again at the RAID5/RAID6 support, and updated the
> tree
> at git://git.infradead.org/users/dwmw2/btrfs-raid56.git#merged
> 
> At the moment, we limit writes to a single disk's worth at a time,
> which
> means we _always_ do the read-calculateparity-write cycle and suffer
> the
> traditional RAID 'write hole' problem.

Out of curiosity, will Btrfs allow for variable block sizes such as with ZFS?

roy