From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mihamina Rakotomandimby <mihamina@rktmb.org>
Subject: Re: Re: Questions about duplicate memory work
Date: Mon, 26 Sep 2011 12:14:00 +0300
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References: <20110925044511.GI30419@stodi.digitalkingdom.org> <CAAYorB+d7+BsAmc5Q5xwZXetu2T47h5S_0wmiqH5AKSSQTwBcQ@mail.gmail.com> <20110926071803.GE18099@stodi.digitalkingdom.org> <CAAYorBJqtzZqT0xQhfbYoyr1qVcfcXFC=iKMgMNef6r4Fwz5PA@mail.gmail.com>
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Cc: Robin Lee Powell <rlpowell@digitalkingdom.org>, kvm@vger.kernel.org
To: Emmanuel Noobadmin <centos.admin@gmail.com>
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On 09/26/2011 11:15 AM, Emmanuel Noobadmin wrote:
>>>> This means that the host *and* all tho VMs do their own disk
>>>> caches/buffers and do their own swap as well.
>>> If I'm not wrong, that's why the recommended and current default
>>> in libvirtd is to create storage devices with no caching to remove
>>> one layer of duplication.
>> How do you do that?
> or edit the cache attribute in the libvirt domain XML file if you're using that.

Just saw it:
http://libvirt.org/formatdomain.html#elementsDisks
<disk ... >
   <driver ... cache="none" ... />
   <... />
</disk>

Good to know.

-- 
RMA.