<div dir="ltr">Hi, <div><br></div><div>As on oVirt is it possible to attach local storage I supose it can be used to run virtual machines:</div><div><br></div><div>I have drawn a couple of diagrams in order to know if is it possible to set up this configuration:</div><div><br></div><div>1.- In on-going scenario:</div><div>Every host runs 100 vdi virtual machines whose disks are placed on local storage. There is a common gluster volume shared between all nodes.</div><div><br></div><div><img src="cid:ii_1588e7a996abd18f" alt="Imágenes integradas 1" width="562" height="207"><br></div><div><br></div><div>2.- If one node fails:</div><div><br></div><div><img src="cid:ii_1588e7ea78859531" alt="Imágenes integradas 2" width="562" height="253"><br></div><div><br></div><div>oVirt has to be able to inventory the copy of machines (in our example vdi201 ... vdi300) and start them on remaining nodes.</div><div><br></div><div>¿Is it possible to reach this configuration with oVirt? ¿or something similar?</div><div><br></div><div>Making backup with the import-export procedure based on snapshot can take lot of time and resources. Incremental rsync is cheaper in terms of resources.</div><div><br></div><div>Thanks lot.</div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">2016-11-22 10:49 GMT+01:00 Yaniv Dary <span dir="ltr"><<a href="mailto:ydary@redhat.com" target="_blank">ydary@redhat.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>I suggest you setup that environment and test for the performance and report if you have issues. </div><div>Please note that currently there is no data locality guarantee, so a VM might be running on a host that doesn't have its disks.</div><div><br></div><div>We have APIs to do backup\restore and that is the only supported option for backup:</div><div><a href="https://www.ovirt.org/develop/release-management/features/storage/backup-restore-api-integration/" target="_blank">https://www.ovirt.org/develop/<wbr>release-management/features/<wbr>storage/backup-restore-api-<wbr>integration/</a></div><div>You can look at the Gluster DR option that was posted a while back, you can look that up.</div><div>It used geo replication and import storage domain to do the DR.</div><div> </div></div><div class="gmail_extra"><br clear="all"><div><div class="m_-8730870742266785892gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><pre cols="72"><span style="font-family:arial,helvetica,sans-serif">Yaniv Dary
Technical Product Manager
Red Hat Israel Ltd.
34 Jerusalem Road
Building A, 4th floor
Ra'anana, Israel 4350109
Tel : <a href="tel:%2B972%20%289%29%207692306" value="+97297692306" target="_blank">+972 (9) 7692306</a>
8272306
Email: <a href="mailto:ydary@redhat.com" target="_blank">ydary@redhat.com</a>
IRC : ydary</span></pre>
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<br><div class="gmail_quote"><div><div class="h5">On Mon, Nov 21, 2016 at 5:17 PM, Oscar Segarra <span dir="ltr"><<a href="mailto:oscar.segarra@gmail.com" target="_blank">oscar.segarra@gmail.com</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5"><div dir="ltr">Hi, <div><br></div><div>I'm planning to deploy a scalable VDI infraestructure where each phisical host can run over 100 VDIs and I'd like to deploy 10 physical hosts (1000 VDIs).</div><div><br></div><div>In order to avoid performance problems (replicating 1000VDIs changes over gluster network I think can provoque performance problems) I have thought to use local storage for VDI assuming that VDIs cannot be migrated between phisical hosts.</div><div><br></div><div>¿Is my worry founded in terms of performance?</div><div>¿Is it possible to utilize local SSD storage for VDIs?</div><div><br></div><div>I'd like to configure a gluster volume for backup on rotational disks (tiered+replica 2+ stripe=2) just to provide HA if a physical host fails.</div><div><br></div><div>¿Is it possible to use rsync for backing up VDIs?</div><div>If not ¿How can I sync/backup the VDIs running on local storage on the gluster shared storage?</div><div>If a physical host fails ¿How can I start the latest backup of the VDI on the shared gluster?</div><div><br></div><div>Thanks a lot</div></div>
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