Re: [ovirt-users] does SPM can run over ovirt-engine host ?

24 Apr 2014


      On 04/23/2014 09:17 PM, Tamer Lima wrote:
...
Hi , Yair
yes, I dont want to re-install ovirt
I'm not sure if allInone could be fix this problem.
allinone install vdsm on the same ovirt-engine host. Well, I already
have this : ovirt-engine, vdsm on the same host: srv-0202
My storage domains(data and iso) are hosted on srv-0202
I believe my solution is create one engine per server. Three independent
engines managing only local virtual machines.
this does not sounds right.
engine and SPM should not communicate at 98% traffic for 2 hours.
SPM should be one of the nodes in the DC.
engine isn't acting as a node (even if deployed on one by chance of 
all-in-one or hosted engine).

are you creating the VMs from template thinly provisioned or clone?
...
On Mon, Apr 14, 2014 at 10:07 PM, Yair Zaslavsky <yzaslavs@redhat.com
<mailto:yzaslavs@redhat.com>> wrote:
Hi Tamer,
    Are you familiar with the all in one feature?
http://www.ovirt.org/Feature/AllInOne
I'm not sure if this can help you now, as you probably  don't want
    to re-install ovirt, right?
----- Original Message -----
     > From: "Tamer Lima" <tamer.americo@gmail.com
    <mailto:tamer.americo@gmail.com>>
     > To: users@ovirt.org <mailto:users@ovirt.org>
     > Sent: Monday, April 14, 2014 5:13:12 PM
     > Subject: [ovirt-users] does SPM can run over ovirt-engine host ?
     >
     > Hello,
     >
     > When I create virtual machine from a template (centos6.5, 2
    cores, 8GB mem,
     > 500GB hd)  this process takes almost 2 hours.   I click on "New
    VM" button
     > and just select the template and click ok.
     >
     > engine.log show me high network consumption (98%)  between
      engine-server
     > host and SPM host.
     >
     > I tried to make my engine-server host a spm host too, but without
    sucess.
     >
     >
     > Does SPM can run over on the same ovirt-engine machine ?
     >
     > Am I make something wrong? Or create VM from template is really
    slow ?
     >
     >
     > my servers :
     > srv-0202  = ovirt-engine  , vdsm
     > srv-0203 = spm , vdsm
     > srv-0204 = vdsm
     > These servers are dell blades connected on a 100GB switch.
     >
     >
     >
     > thanks
     >
     >
     >
     >
     > This is what I know about SPM:
     > http://www.ovirt.org/Storage_-_oVirt_workshop_November_2011
     >
     > = Storage Pool Manager (SPM) A role assigned to one host in a
    data center
     > granting it sole authority over:
     >
     >    - Creation, deletion, an dmanipulation of virtula disk images,
    snapshots
     >    and templates
     >       - Templates: you can create on VM as a golden image and
    provision to
     >       multiple VMs (QCOW layers)
     >    - Allocation of storage for sparse block devices (on SAN)
     >       - Thin provisinoing (see below)
     >    - Single metadata writer:
     >       - SPM lease mechanism (Chockler and Malkhi 2004,
    Light-Weight Leases
     >       for Storage-Cnntric Coordination)
     >       - Storage-centric mailbox
     >    - This role can be migrated to any host in data center
     >
     > _______________________________________________
     > Users mailing list
     > Users@ovirt.org <mailto:Users@ovirt.org>
     > http://lists.ovirt.org/mailman/listinfo/users
     >
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Re: [ovirt-users] does SPM can run over ovirt-engine host ?

Itamar Heim