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Re: [Xen-users] Poor hard disk performance on xen-3/dom0

To: Fraser Campbell <fraser@xxxxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-users] Poor hard disk performance on xen-3/dom0
From: Jayesh Salvi <jayeshsalvi@xxxxxxxxx>
Date: Sat, 7 Jan 2006 21:32:46 +1800
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Thanks Fraser. Yeah I solved my problem. There was some problem with my serial console(http://lists.xensource.com/archives/html/xen-users/2005-12/msg00932.html ). But I agree, that -xen is a better option. For e.g. On my RH laptop, my sound card wasn't working with -xen0 but it works with -xen, I attribute that to all the drivers that come with -xen.

And I got other machine running with Ubuntu 5.10 and Xen 3 with an initrd that I created from mkinitramfs. So it sure works fine, as you said.

Thanks.
Jayesh
On 1/6/06, Fraser Campbell < fraser@xxxxxxxxxxxxxxxxxxxxx> wrote:
Jayesh Salvi wrote:

> I am having problem (previously discussed at
> http://lists.xensource.com/archives/html/xen-users/2005-12/msg00533.html)
> getting Xen started on Ubuntu 5.10 (I did it successfully on RHFC4). The
> boot process freezes after loading initrd. Ubuntu doesn't have mkinitrd
> by default, so I am using mkinitramfs. I don't know if it is initrd that
> is causing problem. So if I could boot without using initrd, that might
> solve my problem. Right now if I don't use initrd the boot process just
> freezes.

As Ian mentioned I expect booting -xen kernel instead of -xen0 should
improve things, just make sure you generate an initramfs for that image.

vmlinuz-2.6.12.6-xen is 1.6MB, initrd.img-2.6.12.6-xen is 5.4MB and I'm
faily sure I generated that with mkinitramfs though it's been quite a
while so I may be forgetting.

My full time workstation is a laptop running Ubuntu 5.10 on Xen 3 so it
definitely works.

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--
Jayesh

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