From: Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
To: Javier Guerra <javier-796Irmz5ZkZBDgjK7y7TUQ@public.gmane.org>
Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Re: [PATCH] qemu: use statically allocate 512 byte buffer in the stack for sector in bdrv_commit
Date: Mon, 07 Jan 2008 20:29:21 +0200 [thread overview]
Message-ID: <47826F81.8090906@qumranet.com> (raw)
In-Reply-To: <90eb1dc70801070734l2062cac6r7a7bed1d6d3d2c0c-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
Javier Guerra wrote:
> On 1/7/08, Laurent Vivier <Laurent.Vivier-6ktuUTfB/bM@public.gmane.org> wrote:
>
>> What I'm wondering now is: is it really useful to have "cache=off" and
>> "snapshot=on" at the same time ?
>>
>
> does "cache=off" means disk cache? if so, it might be useful to test
> clustering filesystems.
>
> so far, the only way is to setup a network block device (iSCSI, AoE,
> nbd). i'd like to simply specify the same backing file for two
> instances' hdb parameter.
>
For that to work you need to use the raw format (and then, cache=off
doesn't matter, as a clustering filesystem ought to have a coherent cache).
--
error compiling committee.c: too many arguments to function
-------------------------------------------------------------------------
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next prev parent reply other threads:[~2008-01-07 18:29 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-04 7:11 [PATCH] qemu: use statically allocate 512 byte buffer in the stack for sector in bdrv_commit Carlo Marcelo Arenas Belon
2008-01-07 9:27 ` Avi Kivity
[not found] ` <4781F08E.8060407-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2008-01-07 10:22 ` Laurent Vivier
2008-01-07 10:47 ` Avi Kivity
[not found] ` <4782034C.4000805-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2008-01-07 12:08 ` Laurent Vivier
2008-01-07 15:16 ` Laurent Vivier
2008-01-07 15:34 ` Javier Guerra
[not found] ` <90eb1dc70801070734l2062cac6r7a7bed1d6d3d2c0c-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-01-07 15:45 ` Laurent Vivier
2008-01-07 16:03 ` Javier Guerra
[not found] ` <90eb1dc70801070803w1a863acs75677e707446f79a-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-01-07 16:30 ` Laurent Vivier
2008-01-07 16:42 ` Javier Guerra
[not found] ` <90eb1dc70801070842g585cd92dr8a8a383e2f3274df-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-01-07 17:05 ` Laurent Vivier
2008-01-07 18:32 ` Avi Kivity
2008-01-07 18:29 ` Avi Kivity [this message]
2008-01-07 18:27 ` Avi Kivity
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