From: Chris Mason <chris.mason@oracle.com>
To: Jan Engelhardt <jengelh@medozas.de>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: AGs in btrfs
Date: Mon, 04 Aug 2008 08:45:36 -0400 [thread overview]
Message-ID: <1217853936.29139.39.camel@think.oraclecorp.com> (raw)
In-Reply-To: <alpine.LNX.1.10.0808022018190.21001@fbirervta.pbzchgretzou.qr>
On Sat, 2008-08-02 at 20:20 -0400, Jan Engelhardt wrote:
> Hi,
>
>
> I was wondering whether btrfs has a concept similar to xfs's "allocation
> groups", which, as far as I understand, means that the filesystem has
> multiple B-tree roots to allow for more finegrained locking and desaster
> containment (losing only 1/16th of the fs in a medium-worst case).
Yes and no, we'll eventually have multiple extent allocation trees that
provide some of what the AGs do. Pulling out hte btree roots for more
fault tolerance is something we need to study.
-chris
prev parent reply other threads:[~2008-08-04 12:45 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-03 0:20 AGs in btrfs Jan Engelhardt
2008-08-04 12:45 ` Chris Mason [this message]
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