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xen-users
Re: [Xen-users] HDD-performance on HVM winxp
I hear that the network performance under HVM Windows is quite poor without the drivers. Perhaps you're having network throughput problems in your VM?
On Mon, Apr 28, 2008 at 5:42 PM, Brian Stempin < brian.stempin@xxxxxxxxx> wrote:
I hear that the network throughput sucks if you don't use the GPL Drivers. Perhaps you're VM is having network throughput problems?
On Mon, Apr 28, 2008 at 4:21 PM, Alexander Junghans < xen@xxxxxxxxxxxxx> wrote:
Hi,
Iometer have been installed from http://www.iometer.org/ under XP.
Transfer request size to 1MB and 128k and measured.
1MB:
Read: 35MB/s
Write: 10MB/s
128k:
Read: 21MB/s
Write: 7,5MB7s
I think that there is a problem with your setup.
My setup uses a LVM Volume on Software Raid1 on
two SATA Drives.
XEN 3.2.1build from Source.
But I have a problem with the load in dom0, when
XP ist idle.
The CPU in Xentop is nearly 100% all the time, in
the xp dom.
What is your cpu level of the HVM Domain.
Thanks.
Alexander Junghans
Daniel Schwager schrieb:
Hi together,
i'm running a winxp hvm-domain without the GPLPV-driver.
I imported an iscsi-target as a lun for the winxp-domain and
run an iometer test directly on the winxp-domain:
Blocksize type MB/sec
------------------------------
1 MB read 25 MB
1 MB write 0.8 MB
128 kb read 25 MB
128 kb write 0.8 MB
If I run the same test on the xen-domain0 (hostsystem)using iometer's
dynamo, I got
Blocksize type MB/sec
------------------------------
1 MB read 66 MB
1 MB write 55 MB
My problem ist the 0.8MB/sec in the winxp-domain...
Is there a way to track down the performance issue ?
[root@xen04 /var/log/xen]$ rpm -qa | grep xen
kernel-xen-devel-2.6.21-2957.fc8
kernel-xen-devel-2.6.21.7-3.fc8
xen-libs-3.1.2-2.fc8
kernel-xen-2.6.21.7-3.fc8
xen-3.1.2-2.fc8
xen-libs-3.1.2-2.fc8
kernel-xen-2.6.21-2957.fc8
kernel-xen-2.6-doc-2.6.21.7-3.fc8
[root@xen04 /var/log/xen]$ uname -a
Linux xen04.test 2.6.21-2957.fc8xen #1 SMP Tue Feb 12 13:07:27 EST 2008
x86_64 x86_64 x86_64 GNU/Linux
regards
Danny
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