From: Avi Kivity <avi@redhat.com>
To: Andi Kleen <andi@firstfloor.org>
Cc: Ray Van Dolson <rayvd@bludgeon.org>, linux-btrfs@vger.kernel.org
Subject: Re: Data-deduplication?
Date: Wed, 15 Oct 2008 19:49:44 +0200 [thread overview]
Message-ID: <48F62D38.5060109@redhat.com> (raw)
In-Reply-To: <20081015141543.GT12131@one.firstfloor.org>
Andi Kleen wrote:
>>> There are some patches to do in QEMU's cow format for KVM. That's
>>> user level only.
>>>
>>>
>> And thus, doesn't work for sharing between different images, especially
>> at runtime.
>>
>
> It would work if the images are all based once on a reference image, won't it?
>
Yes and no. It's difficult to do it at runtime, and it allows one qemu
to access another guest's data (for read-only).
Also, it's almost impossible to do at runtime.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2008-10-15 17:49 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-12 2:06 Data-deduplication? Ray Van Dolson
2008-10-13 8:52 ` Data-deduplication? Andi Kleen
2008-10-15 13:39 ` Data-deduplication? Avi Kivity
2008-10-15 14:15 ` Data-deduplication? Andi Kleen
2008-10-15 14:43 ` Data-deduplication? Miguel Sousa Filipe
2008-10-15 15:00 ` Data-deduplication? Andi Kleen
2008-10-15 17:49 ` Avi Kivity [this message]
2008-10-13 11:02 ` Data-deduplication? Chris Mason
2008-10-16 19:25 ` Data-deduplication? Valerie Aurora Henson
2008-10-16 19:30 ` Data-deduplication? Chris Mason
2008-10-17 18:24 ` Data-deduplication? Valerie Aurora Henson
2008-10-20 0:16 ` Data-deduplication? Chris Mason
2008-10-21 20:33 ` Data-deduplication? Valerie Aurora Henson
2008-10-17 20:10 ` Data-deduplication? Christoph Hellwig
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