From jvdwege at xs4all.nl Fri Jun 13 04:57:31 2014 Content-Type: multipart/mixed; boundary="===============7053156206928711140==" MIME-Version: 1.0 From: Joop To: users at ovirt.org Subject: Re: [ovirt-users] SLA : RAM scheduling Date: Fri, 13 Jun 2014 10:57:29 +0200 Message-ID: <539ABCF9.6050400@xs4all.nl> In-Reply-To: E04C56CC-D3B2-4105-ACC8-346DEB8BFB7B@redhat.com --===============7053156206928711140== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable This is a multi-part message in MIME format. --------------080108070306050603070009 Content-Type: text/plain; charset=3DISO-8859-1; format=3Dflowed Content-Transfer-Encoding: 8bit Michal Skrivanek wrote: > On 11 Jun 2014, at 14:31, noc wrote: > > = >> On 26-5-2014 16:22, Gilad Chaplik wrote: >> = >>> Hi Nathana=C3=ABl, >>> >>> happy to assist :) hope it will work in first run: >>> >>> 1) install the proxy and ovirtsdk. >>> 2) put attached file in the right place (according to docs: ".../plugin= s"), make sure to edit the file with your ovirt's ip, user(a)domain and PW. >>> 3) restart proxy service. >>> 3) use config tool to configure ovirt-engine: >>> * "ExternalSchedulerServiceURL"=3D"http://:18781/" >>> * "ExternalSchedulerEnabled"=3Dtrue >>> 4) restart ovirt-engine service. >>> 5) under configure->cluster_policy see that weight function memory_even= _distribution was added (should be in manage policy units or /sth- you will= see it in the main dialog as well). >>> 6) clone/copy currernt cluster's used cluster policy (probably none - p= refer it to have no balancing modules to avoid conflicts), name it 'your_na= me' and attach memory_even_distribution weight (you can leave it as the onl= y weight module in weight section to avoid configuring factors). >>> 7) replace cluster's cluster policy with newly created one. >>> >>> try it out and let me know how goes :-) >>> >>> >>> = >> Ok, progress of some sort :-) >> >> I added the weight function to the cluster and when I replace my dns nam= e with localhost in ExternalSchedulerServiceURL then engine.log shows that = it can contact the scheduler. I expected a rebalance but nothing happened. = Stopping and starting a VM does provoke a reaction, an error :-( >> >> From the scheduler.log I see that engine contacts it and pushes some inf= ormation, the log also shows that some information is returned and then the= re is a big error message in the log of engine. >> = > > xmlrpc is infamous about not being able to handle numbers like 9223372010= 239819775 > > = Then oVirt shouldn't either use that kind of numbers or should not use = xmlrpc. Sorry but thats a non-answer and doesn't help anybody. Howto solve this problem. Do you need a BZ? Joop --------------080108070306050603070009 Content-Type: text/html; charset=3DISO-8859-1 Content-Transfer-Encoding: 7bit Michal Skrivanek wrote:

On 11 Jun 2014, at 14:31, noc wrote:

On 26-5-2014 16:22, Gilad Chaplik wrote:

Hi Nathanaël,

happy to assist :) hope it will work in first run:

1) install the proxy and ovirtsdk.
2) put attached file in the right place (according to docs: ".../plugins"),=
 make sure to edit the file with your ovirt's ip, user(a)domain and PW.
3) restart proxy service.
3) use config tool to configure ovirt-engine:
* "ExternalSchedulerServiceURL"=3D"http://<ip>:18781/"
* "ExternalSchedulerEnabled"=3Dtrue
4) restart ovirt-engine service.
5) under configure->cluster_policy see that weight function memory_even_=
distribution was added (should be in manage policy units or /sth- you will =
see it in the main dialog as well).
6) clone/copy currernt cluster's used cluster policy (probably none - prefe=
r it to have no balancing modules to avoid conflicts), name it 'your_name' =
and attach memory_even_distribution weight (you can leave it as the only we=
ight module in weight section to avoid configuring factors).
7) replace cluster's cluster policy with newly created one.

try it out and let me know how goes :-)

Ok, progress of some sort :-)

I added the weight function to the cluster and when I replace my dns name w=
ith localhost in ExternalSchedulerServiceURL then engine.log shows that it =
can contact the scheduler. I expected a rebalance but nothing happened. Sto=
pping and starting a VM does provoke a reaction, an error :-(

>From the scheduler.log I see that engine contacts it and pushes some infor=
mation, the log also shows that some information is returned and then there=
 is a big error message in the log of engine.


xmlrpc is infamous about not being able to handle numbers like 922337201023=
9819775

Then oVirt shouldn't either use that kind of numbers or should not use xmlrpc.

Sorry but thats a non-answer and doesn't help anybody.

Howto solve this problem. Do you need a BZ?

Joop

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