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From: Mihamina Rakotomandimby <mihamina@rktmb.org>
To: Emmanuel Noobadmin <centos.admin@gmail.com>
Cc: Robin Lee Powell <rlpowell@digitalkingdom.org>, kvm@vger.kernel.org
Subject: Re: Re: Questions about duplicate memory work
Date: Mon, 26 Sep 2011 12:14:00 +0300	[thread overview]
Message-ID: <4E804258.5060508@rktmb.org> (raw)
In-Reply-To: <CAAYorBJqtzZqT0xQhfbYoyr1qVcfcXFC=iKMgMNef6r4Fwz5PA@mail.gmail.com>

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.

  reply	other threads:[~2011-09-26  9:20 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-25  4:45 Questions about duplicate memory work Robin Lee Powell
2011-09-26  5:49 ` Emmanuel Noobadmin
2011-09-26  7:18   ` Robin Lee Powell
2011-09-26  8:15     ` Emmanuel Noobadmin
2011-09-26  9:14       ` Mihamina Rakotomandimby [this message]
2011-09-27  7:38       ` Re: [kvm] " Robin Lee Powell
2011-09-27  8:41         ` Emmanuel Noobadmin
2011-09-27  8:48           ` Robin Lee Powell
2011-09-27  9:00             ` Robin Lee Powell
2011-09-27  9:49               ` Avi Kivity
2011-09-29  0:11                 ` Robin Lee Powell
2011-09-29  0:14                   ` Re: [kvm] " Robin Lee Powell
2011-09-29 17:22                     ` Marcelo Tosatti
2011-09-29 18:46                       ` Re: [kvm] " Robin Lee Powell
2011-10-02  8:56                         ` Avi Kivity

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