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Re: [Xen-users] best guest disk performance?
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| Subject: | Re: [Xen-users] best guest disk performance? |
| From: | Javier Guerra <javier@xxxxxxxxxxx> |
| Date: | Thu, 21 Dec 2006 08:29:53 -0500 |
| Delivery-date: | Thu, 21 Dec 2006 05:27:38 -0800 |
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On Thursday 21 December 2006 8:06 am, Petersson, Mats wrote: > There's probably many variants that will make some small difference, but > I'd say Para-Virtual drivers are a must for good HVM disk performance. > Whether you then connect the virtual disk to a partition, LVM volume, > file or otherwise will be of much more minor importance, because that's > going to give you the 1.1x or 1.5x performance improvement, while the > former probably delivers in the region of 3x performance boost. strangely, this strong selling point isn't on XenSource's webpage. at least, i haven't seen any numbers like that. it's also strange that VMWare's drivers for virtual machines include mostly video, mouse and such; i think there's no mass storage drivers -- Javier
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