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xen-users
Re: [Xen-users] I/O and Network control on VM
Fajar A. Nugraha wrote:
> On Sat, Jun 13, 2009 at 5:01 PM, howard chen<howachen@xxxxxxxxx> wrote:
>> Hello,
>>
>> 1. Is it possible to limit bandwidth of user, e.g. say limit a VM to
>> use at most 10GB of bandwidth each day?
>
> No. You'd need to use whatever method you use for managing normal
> pyhysical machines for that (usually involves snmp).
>
> Newer Xen can do rate limiting though, similar to that on
> routers/switches. Run "xm create --help_config", look for vif.
cbq is your friend.
>> 2. How about I/O limit? Seem xen currently has no way to limit user I/O
>> usage?
>
> Your best bet (for now) is probably something like
> http://people.valinux.co.jp/~ryov/dm-ioband/
There's no need to apply any patch to acheive I/O scheduling, it has
been in the kernel for YEARS.
Thomas
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