Re: [Xen-users] streaming server on a virtual machine.

To:	Mike Wright <mike.wright@xxxxxxxxxxxxxx>
Subject:	Re: [Xen-users] streaming server on a virtual machine.
From:	Grant McWilliams <grantmasterflash@xxxxxxxxx>
Date:	Mon, 28 Sep 2009 10:12:08 -0700
Cc:	xen-users <xen-users@xxxxxxxxxxxxxxxxxxx>
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On Mon, Sep 28, 2009 at 8:52 AM, Mike Wright <mike.wright@xxxxxxxxxxxxxx> wrote:

Brian Krusic wrote:

Ah, this leads me to my next ?

Do VMs need exclusive access to disk or can I have a common space on the dom0 with multiple domUs accessing it via phy mechanism?

Hi Brian,

Yes. Dom0 uses LVM and passes through LVs to the paravirts. All domUs share a single /usr partition that is mounted read only.

'phy:vg0/usr,hda2,r'

There has never been a problem that I've noticed and I have been doing this since 3.0.2-2. (you can tell by the "hda" disk name :)

Mike Wright

The key words here are "read only". Do not allow any domUs to write to the same LV.

Grant McWilliams

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Re: [Xen-users] streaming server on a virtual machine.