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2010 Oct 12
0
Any idea of what can be done about Xen seemming to only service one Domain at the time under high Disk I/O load
...ance tool in multiple DomU simultaniously,
then it seems that one DomU get done before the next DomU can start.
It seems as if once disk I/O has started between a DomU and the
Storage, then the hypervisor will continue servicing that DomU until
the DomU has a pause in the data requests, before the hypervistor
switches to the next DomU.
HW: Sun x4170
Xen: 3.4.3
Dom0: CentOS release 5.5 (Final)
Linux c6 2.6.18-194.el5xen #1 SMP Fri Apr 2 15:34:40 EDT
2010 x86_64 x86_64 x86_64 GNU/Linux
DomU: Same as Dom0.
1) What could be the problem?
2) What could I possibly do to troubleshoot this?
3) Any...