[ovirt-users] does SPM can run over ovirt-engine host ?
Tamer Lima
tamer.americo at gmail.com
Mon Apr 14 14:13:12 UTC 2014
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
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