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Re: [Xen-users] CoW works on Windows guest?

To: "Orathai Sukwong" <kobkob@xxxxxxxxx>
Subject: Re: [Xen-users] CoW works on Windows guest?
From: Dan Smith <danms@xxxxxxxxxx>
Date: Thu, 28 Sep 2006 10:49:28 -0700
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In-reply-to: <748f85310609280723l49ca9725nf6a28fa234c1353f@xxxxxxxxxxxxxx> (Orathai Sukwong's message of "Thu, 28 Sep 2006 10:23:13 -0400")
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OS> I wonder if dscow (http://wiki.xensource.com/xenwiki/DmUserspace)
OS> works on Windows guest. If anyone gets it working, please let me
OS> know. Currently, I've got an error

Currently, the Xen tools do not do the same amount of setup for HVM
domains, which means that more complex disk types (blktap, dmu, nbd,
etc) will not work.

However, if you start the cowd daemon ahead of time and point your
domain's disk at the target device (/dev/mapper/something), then it
should work.

Note that qemu-dm should be able to use qcow files like qemu does, so
that may be the best option for you, if you're mostly interested in
HVM domains.

Dan Smith
IBM Linux Technology Center
Open Hypervisor Team
email: danms@xxxxxxxxxx

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