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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Hi, Ronen<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">3) I mean storage based replication. In normal, volume replication support FC or iSCSI. We need to setup FC or iSCSI before we do volume replication.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Case 1)
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Host ------FC------Storage A -------iSCSI -------- Storage B ----FC----- Host<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Case 2)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Host ------FC------Storage A -------FC -------- Storage B ----FC----- Host<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">As above diagram, we need to setup connection (iSCSI or FC) between storage A and Storage B.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">For FC, we need to zone storage A & storage B in FC switch.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">-Ruijing<o:p></o:p></span></p>
<p class="MsoNormal"><a name="_MailEndCompose"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></a></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Ronen Kat [mailto:RONENKAT@il.ibm.com]
<br>
<b>Sent:</b> Sunday, February 15, 2015 4:46 PM<br>
<b>To:</b> OpenStack Development Mailing List (not for usage questions)<br>
<b>Subject:</b> Re: [openstack-dev] [cinder] documenting volume replication<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Hi
</span><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#004080">Ruijing</span><span style="font-size:10.0pt;font-family:"Arial",sans-serif">,</span>
<br>
<br>
<span style="font-size:10.0pt;font-family:"Arial",sans-serif">Thanks for the comments.</span>
<br>
<span style="font-size:10.0pt;font-family:"Arial",sans-serif">Re (1) - driver can implement replication in any means the driver see fit. It can be exported and be available to the scheduler/drive via the "capabilities" or "driver" extra-spec prefixes.</span>
<br>
<span style="font-size:10.0pt;font-family:"Arial",sans-serif">Re (3) - Not sure I see how this relates to storage side replication, do you refer to host side replication?</span>
<br>
<br>
<span style="font-size:10.0pt;font-family:"Arial",sans-serif">Ronen</span> <br>
<br>
<br>
<br>
<span style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#5F5F5F">From: </span><span style="font-size:7.5pt;font-family:"Arial",sans-serif">"Guo, Ruijing" <<a href="mailto:ruijing.guo@intel.com">ruijing.guo@intel.com</a>></span>
<br>
<span style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#5F5F5F">To: </span><span style="font-size:7.5pt;font-family:"Arial",sans-serif">"OpenStack Development Mailing List (not for usage questions)" <<a href="mailto:openstack-dev@lists.openstack.org">openstack-dev@lists.openstack.org</a>></span>
<br>
<span style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#5F5F5F">Date: </span><span style="font-size:7.5pt;font-family:"Arial",sans-serif">15/02/2015 03:41 AM</span>
<br>
<span style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#5F5F5F">Subject: </span><span style="font-size:7.5pt;font-family:"Arial",sans-serif">Re: [openstack-dev] [cinder] documenting volume replication</span>
<o:p></o:p></p>
<div class="MsoNormal" align="center" style="text-align:center">
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<br>
<br>
<span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#004080">Hi, Ronen,</span>
<br>
<span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#004080"> </span>
<br>
<span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#004080">I don’t know how to edit
</span><a href="https://etherpad.openstack.org/p/cinder-replication-redoc"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">https://etherpad.openstack.org/p/cinder-replication-redoc</span></a><span style="font-size:10.0pt;font-family:"Arial",sans-serif">
and add some comments in email.</span> <br>
<span style="font-size:10.0pt;font-family:"Arial",sans-serif"> </span> <br>
<span style="font-size:10.0pt;font-family:"Arial",sans-serif">1. We may add asynchronized and synchronized type for replication.</span>
<br>
<span style="font-size:10.0pt;font-family:"Arial",sans-serif">2. We may add CG for replication</span>
<br>
<span style="font-size:10.0pt;font-family:"Arial",sans-serif">3. We may add to initialize connection for replication</span>
<br>
<span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#004080"> </span>
<br>
<span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#004080">Thanks,</span>
<br>
<span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#004080">-Ruijing</span>
<br>
<span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#004080"> </span>
<br>
<b><span style="font-size:10.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:10.0pt;font-family:"Calibri",sans-serif"> Ronen Kat [</span><a href="mailto:RONENKAT@il.ibm.com"><span style="font-size:10.0pt;font-family:"Calibri",sans-serif">mailto:RONENKAT@il.ibm.com</span></a><span style="font-size:10.0pt;font-family:"Calibri",sans-serif">]
<b><br>
Sent:</b> Tuesday, February 3, 2015 9:41 PM<b><br>
To:</b> OpenStack Development Mailing List (<a href="mailto:openstack-dev@lists.openstack.org">openstack-dev@lists.openstack.org</a>)<b><br>
Subject:</b> [openstack-dev] [cinder] documenting volume replication</span> <br>
<br>
<span style="font-size:10.0pt;font-family:"Arial",sans-serif">As some of you are aware the spec for replication is not up to date,
<br>
The current developer documentation, </span><a href="http://docs.openstack.org/developer/cinder/api/cinder.volume.driver.html"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">http://docs.openstack.org/developer/cinder/api/cinder.volume.driver.html</span></a><span style="font-size:10.0pt;font-family:"Arial",sans-serif">,
cover replication but some folks indicated that it need additional details.</span>
<br>
<span style="font-size:10.0pt;font-family:"Arial",sans-serif"><br>
In order to get the spec and documentation up to date I created an Etherpad to be a base for the update.</span>
<span style="font-size:10.0pt;font-family:"Arial",sans-serif"><br>
The Etherpad page is on </span><a href="https://etherpad.openstack.org/p/cinder-replication-redoc"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">https://etherpad.openstack.org/p/cinder-replication-redoc</span></a>
<br>
<span style="font-size:10.0pt;font-family:"Arial",sans-serif"><br>
I would appreciate if interested parties would take a look at the Etherpad, add comments, details, questions and feedback.</span>
<br>
<span style="font-size:10.0pt;font-family:"Arial",sans-serif"><br>
Ronen,</span> <tt><span style="font-size:10.0pt">__________________________________________________________________________</span></tt><span style="font-size:10.0pt;font-family:"Courier New""><br>
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