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From Wido den Hollander <w...@widodh.nl>
Subject Re: Disk throtling on KVM - shared storage - works ot not ?
Date Mon, 09 Mar 2015 15:10:14 GMT
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On 03/09/2015 03:53 PM, Andrija Panic wrote:
> Hi Wei,
> 
> thanks for info - it is CentOS 6.x and libvirt 1.2.3 (manually
> compiled with RBD support) and also custom version of QEMU
> (original stock qemu from CentOS 6.4, patched by Inktank for RBD
> support)
> 
> So this is the reason I guess ?
> 
> Do you know if it works with Ubuntu 14.04 - I plan using this for
> new ACS installation?
> 

Works with 14.04 out of the box. It has Qemu 2.0

Wido

> 
> Thanks
> 
> On 9 March 2015 at 15:48, Wei ZHOU <ustcweizhou@gmail.com> wrote:
> 
>> What's the QEMU and libvirt version? QEMU on CentOS 6.X does not
>> support it.
>> 
>> 2015-03-09 15:01 GMT+01:00 Andrija Panic
>> <andrija.panic@gmail.com>:
>> 
>>> Because it doesnt work on my ACS 4.3 installation with CEPH :)
>>> 
>>> I checked virsh dumpxml so only throtling on network level is
>>> present - unless it wasnt applied because of my qemu version
>>> (intank's patched versions of stocl 0.12.1.2, just RBD support
>>> added). qemu-kvm version problematic perhaps ?
>>> 
>>> Was it supposed to work with 4.3 also, Wido ?
>>> 
>>> Thanks
>>> 
>>> On 9 March 2015 at 14:11, Wido den Hollander <wido@widodh.nl>
>>> wrote:
>>> 
> 
> 
> On 03/09/2015 01:57 PM, Andrija Panic wrote:
>>>>>> Hi,
>>>>>> 
>>>>>> I'm wondering if disk throtling on ACS44 or later works
>>>>>> on shared storage (limiting number of IOPS and bandwtih,
>>>>>> on compute offering)
>>>>>> 
> 
> Why shouldn't it work? The throttling is done inside Qemu and
> works just fine with NFS or Ceph.
> 
> Wido
> 
>>>>>> I know this does NOT work (shared storage) on ACS 4.3,
>>>>>> I'm wondering if it is there in 4.4/4/5 ?
>>>>>> 
>>>>>> We are using KVM.
>>>>>> 
>>>>>> Thanks,
>>>>>> 
>>>> 
>>> 
>>> 
>>> 
>>> --
>>> 
>>> Andrija Panić
>>> 
>> 
> 
> 
> 
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