Re: [Xen-users] Xen 3.4 Qcow based Copy of write overlay for Centos base image does not work.

[Arun Sharma <arajmail@xxxxxxxxx>]

Hello Fajar

First of all thanks for your quick reply.

After reading the link given by you, i came in below conclusion.

1. Xen 3.4 does not have tap poll on aio support. I have to apply the updated patch and build it again.

2. After patch is implemented , i will be able to run PV HVM guests using qcow overlay. mentioned in my earlier. 

3. This patch is already built in RHEL 5.4. (xen-3.0.3-86.el5
)

Is above statements are correct understanding of mine.

It will be good if you confirm me.

Arun

On Thu, May 28, 2009 at 11:00 PM, Fajar A. Nugraha <fajar@xxxxxxxxx> wrote:

On Thu, May 28, 2009 at 7:34 PM, Arun Sharma <arunain@xxxxxxxxx> wrote:
> 3. Now creating cow file based on above base image.
>
>           qcow-create -f qcow2 100M centos.cow CentosServer5.2_1_qcow2.img
>
> 4. Trying to create vm now using below xen config.  Things fails here.

Known problem. See https://bugzilla.redhat.com/show_bug.cgi?id=486353
Fix not publicly available yet.

--
Fajar

-- 
Regards
Arun Sharma
0-939-692-3118
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