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From Andrija Panic <andrija.pa...@gmail.com>
Subject Re: Disk throtling on KVM - shared storage - works ot not ?
Date Tue, 10 Mar 2015 05:10:14 GMT
Interesting... Thx for info.
On Mar 10, 2015 12:23 AM, "Andrei Mikhailovsky" <andrei@arhont.com> wrote:

> Hi Guys,
>
> What i have noticed ( with version 4.2.1 I think) is that when you attach
> a new disk with throttle offering to the running vm, the throttling
> settings are not passed to kvm untill the vm is restarted from the acs
> side. Simply doing the reboot within the OS itself doesn't help. However,
> once the restart is done, the throttle settings are passed on and it works
> okay.
>
> Andrei
>
> ----- Original Message -----
>
> > From: "Andrija Panic" <andrija.panic@gmail.com>
> > To: dev@cloudstack.apache.org
> > Sent: Monday, 9 March, 2015 3:30:01 PM
> > Subject: Re: Disk throtling on KVM - shared storage - works ot not ?
>
> > Thx guys !
> > On Mar 9, 2015 4:10 PM, "Wei ZHOU" <ustcweizhou@gmail.com> wrote:
>
> > > Hi Andria,
> > >
> > > I am sure it works with QEMU 1.2.0+ , of course including Ubuntu
> > > 14.04.
> > >
> > > Wei
> > >
> > >
> > > 2015-03-09 15:53 GMT+01:00 Andrija Panic <andrija.panic@gmail.com>:
> > >
> > > > 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?
> > > >
> > > >
> > > > 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:
> > > > > >
> > > > > > > -----BEGIN PGP SIGNED MESSAGE-----
> > > > > > > Hash: SHA1
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > 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,
> > > > > > > >
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> > > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > --
> > > > > >
> > > > > > Andrija Panić
> > > > > >
> > > > >
> > > >
> > > >
> > > >
> > > > --
> > > >
> > > > Andrija Panić
> > > >
> > >
>

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