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Re: [Xen-users] Updating DomUs kernels

from [Fajar A. Nugraha]

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To:	"Martin Gombac(" <martin@xxxxxx>
Subject:	Re: [Xen-users] Updating DomUs kernels
From:	"Fajar A. Nugraha" <fajar@xxxxxxxxx>
Date:	Tue, 1 Dec 2009 13:06:15 +0700
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On Mon, Nov 30, 2009 at 9:36 PM, Martin Gombac( <martin@xxxxxx> wrote:

> kernel = "/bootvirts/vmlinuz-2.6.26-2-xen-amd64"
> ramdisk = "/bootvirts/initrd.img-2.6.26-2-xen-amd64"
> disk = ['drbd:r0,sda1,w']
> root = "/dev/sda1 ro"
>
> What i'm wondering now is, how the kernel updating will work or how it's
> supposed to work? User of this virtual machine will be able to update the
> kernel on drbd device (in his virtual machine) but not in /bootvirts/ on
> Dom0, as it's not accessible from within virtual machine. Or am I mistaken?

... and that is exactly why by default RHEL/Centos uses pygrub :)
With pygrub/pvgrub, domU kernel is located on domU filesystem, so that
users can update it themselves.

-- 
Fajar

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