On Jul 28, 2009, at 6:53 AM, Pasi Kärkkäinen <pasik@iki.fi> wrote:

On Mon, Jul 27, 2009 at 10:54:46PM +0200, Joern Bredereck wrote:
> Hi,
>
> there seems to be a problem with iscsi-initiators which are connected at
> very high bandwith in combination with heavy disk i/o.
>
> We are running Debian 5.0 with iscsitarget-0.4.17 as a VM on a Citrix
> XenServer. IETD exports two 1 TB disks to the XenServer, which uses the
> targets for further VMs. So in this setup there is no physical network
> between the initiator and the target. The "network" is nothing more than
> a local kernel bridge which is the reason for a very fast connection.
>

Please check this thread:
http://lists.centos.org/pipermail/centos-virt/2009-June/001021.html

It _might_ be related..

Excellent find indeed!

I knew I should have stayed on that list.

This is one for the knowledge base.

Dom0 runs out of scheduler credits processing high network traffic load.

-Rosd
 


This e-mail, and any attachments thereto, is intended only for use by the addressee(s) named herein and may contain legally privileged and/or confidential information. If you are not the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution or copying of this e-mail, and any attachments thereto, is strictly prohibited. If you have received this e-mail in error, please immediately notify the sender and permanently delete the original and any copy or printout thereof.