[one-users] Limit Storage Bandwidth

Rhesa Mahendra rhesa at lintasmediadanawa.com
Tue May 13 03:10:14 PDT 2014


Fontan, thanks for your reply, do you mean we can avoid network outage 
to throttle the IO ( read write disk to datastores ) ?use blkiotune do 
you mean?

Rhesa.


On 05/13/2014 04:55 PM, Javier Fontan wrote:
> OpenNebula currently allows setting CPU shares and max memory for
> cgroups [1]. Even if block IO throttling is not directly supported I
> think you can also use cgroups to throttle the IO. You can find more
> info on libvirt support in its documentation [2] and info on cgroups
> in RedHat's documentation [3].
>
> I don't have experience with cgroups but I think you can set a common
> throttle configuration for all the VMs, set those parameters
> individually using libvirt or use a custom hook on VM creation.
>
> [1] http://docs.opennebula.org/4.6/administration/virtualization/kvmg.html#working-with-cgroups-optional
> [2] http://libvirt.org/cgroups.html
> [3] https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Resource_Management_Guide/ch-Subsystems_and_Tunable_Parameters.html
>
> On Tue, May 13, 2014 at 6:42 AM, Rhesa Mahendra
> <rhesa at lintasmediadanawa.com> wrote:
>> Guys,
>>
>> Could we limit bandwidth from VM read write into Datastores per second? for
>> avoid network outage, thanks and please help
>>
>> Rhesa Mahendra.
>> _______________________________________________
>> Users mailing list
>> Users at lists.opennebula.org
>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>
>



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