This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
Home Products Support Community News


Re: [Xen-users] creating domU's consumes 100% of system resources

On Mon, 2008-04-21 at 14:34 -0500, n8&abby wrote:
> Hello,
> I have noticed that when I use xen-create-image to generate an domU,
> the whole server (dom0 and domU's) basically hangs until it is
> finished.  This happens primarily during the creation of the ext3
> filesystem on an LVM partition.
> This creation of the file system can take up to 4 or 5 minutes.   At
> which point, any other domU's are basically paused... tcp connections
> time out.. etc.
> I tried 'xm vcpu-set 0 1' to take the dom0 down to one virtual cpu..
> but this didn't seem to have any affect.
> I don't mind if the generation of new domU's takes 30 minutes, as long
> the performance of my other domU's are not affected greatly.  Any
> hints on how to fix this problem?

How are your disks set up? RAID 0, 1, 5, 10, or 50? What speed disks?

Any number of things could be causing this, but I would check your
storage situation first, as a failing disk could be very problematic.


Attachment: signature.asc
Description: This is a digitally signed message part

Xen-users mailing list