Re: How do I prevent one guest from hogging the disk I/O and preventing other guests from accessing the disk?

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blkio may help you.

http://www.mjmwired.net/kernel/Documentation/cgroups/blkio-controller.txt

2010/11/26 Henry Pepper <henrypepr@xxxxxxxxx>:
> Hi
>
> I'm running some tests on a KVM setup, based on RHEL 6 beta2.
>
> When running a disk test in one guest, then no other guests seems to
> get any disk I/O done.
>
> How can I configure the KVM to ensure that some sort of round robin or
> other sharing is being done?
>
>  Thanks
>
>    Henry
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