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Re: [Xen-users] Xen 3.3.1 Windows HVM Disk I/O -> domU and dom0 hangs
| To: | Philipp Schmid <lists@xxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-users] Xen 3.3.1 Windows HVM Disk I/O -> domU and dom0 hangs |
| From: | "Fajar A. Nugraha" <fajar@xxxxxxxxx> |
| Date: | Fri, 13 Feb 2009 06:00:40 +0700 |
| Cc: | xen-users@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Thu, 12 Feb 2009 15:01:31 -0800 |
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On Fri, Feb 13, 2009 at 5:17 AM, Philipp Schmid <lists@xxxxxxxxxxx> wrote: > Hi, > > we are currently working on getting windows working on your xen servers. > but we are facing a severe problem where dom0 and all domus hang for 1-5 > seconds from time to time. Are you using PV drivers? What domU storage backend did you use? file:? tap:aio:? phy:? Are you using some kind of LVM snapshot? > > we think it is probably because of disk i/o, because top sometimes says 100% > wa (waiting on io) during the hang. What does iostat say at that time? If i/o wait is 100% but i/o throughput is low, perhaps you're experiencing the symptoms of disk failure. Regards, Fajar _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users |
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