Oracle 10g IO perfomance on vmware virtual machine

Hi Friends,
I am facing perfomance issue on oracle10g 64bit, installed on rhel5.3 64bit on a vmware virtual machine because of disk IO.
While taking DB backup using netbackup I can see the datatransfer speed comes up to 100 Mbps.
But when oracle IO requests comes it is not going more than 30 Mbps.
And the CPU IO wait remains same as on both of the time. (20% to 40%)
Please help.
Regards,
Nayagan

Could you verify this behaviour outside a VMware virtual machine?
If yes, then please open an SR on Metalink to let support diagnose.
Provide an RDA, AWR snapshot if you have licensed the Diagnistic Pack - if not than provide STATSPACK snapshots.
Sorry - but this is a database upgrade forum :-)
Regards
Mike

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