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Re: [Xen-users] iSCSI target - run in Dom0 or DomU?

To: Jason Clark <jason@xxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-users] iSCSI target - run in Dom0 or DomU?
From: "Christopher G. Stach II" <cgs@xxxxxxxxx>
Date: Tue, 29 Aug 2006 22:47:00 -0500
Cc: Thomas Harold <tgh@xxxxxxxxxxxx>, Xen-users@xxxxxxxxxxxxxxxxxxx
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Jason Clark wrote:
Keep in mind that unless you are exporting hardware ethernet cards to DomU, you will have a significant network performance issue inside a DomU (tech details here http://www.cs.aau.dk/~kleist/Courses/nds-e05/presentations/2609-preformance_overheads_xen.pdf#search=%22xen%20network%20performance%22) but if you run in Dom0 and busy up the CPU, all VMs will suffer. I would run in DomU with an exported PCI NIC instead of using virtual devices.

I second that observation! :)

--
Christopher G. Stach II

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