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<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D">Replication should be in 2 backends. You may look at
<a href="http://www.emc.com/collateral/white-papers/h12079-vnx-replication-technologies-overview-wp.pdf">
http://www.emc.com/collateral/white-papers/h12079-vnx-replication-technologies-overview-wp.pdf</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D">-Ruijing<o:p></o:p></span></p>
<p class="MsoNormal"><a name="_MailEndCompose"><span style="font-size:11.0pt;color:#1F497D"><o:p> </o:p></span></a></p>
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<p class="MsoNormal" align="left" style="text-align:left"><b><span style="font-size:11.0pt">From:</span></b><span style="font-size:11.0pt"> Chenzongliang [mailto:chenzongliang@huawei.com]
<br>
<b>Sent:</b> Thursday, February 12, 2015 9:20 AM<br>
<b>To:</b> OpenStack Development Mailing List (not for usage questions)<br>
<b>Subject:</b> [openstack-dev] Questions about remote replication<o:p></o:p></span></p>
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<p class="MsoNormal" align="left" style="text-align:left"><o:p> </o:p></p>
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<span style="font-size:6.0pt;font-family:"Tahoma",sans-serif;color:#333333">According to the blueprint description(<a href="https://blueprints.launchpad.net/cinder/+spec/volume-replication"><span style="color:#0033AA;text-decoration:none">https://blueprints.launchpad.net/cinder/+spec/volume-replication</span></a>)<br>
The Create volume with the replication enabled:<br>
* the Scheduler selects two hosts for volume placement and sets up the replication<br>
The DB entry<o:p></o:p></span></p>
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<span style="font-size:6.0pt;font-family:"Tahoma",sans-serif;color:#333333">When reading the related scheduling module code, I can not found the process about this. I want to know where is to implemented this part of flow?If there is, whether the two volumes
in different backend?<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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