Hi, Ronen 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.
Case 1) Host ------FC------Storage A -------iSCSI -------- Storage B ----FC----- Host Case 2) Host ------FC------Storage A -------FC -------- Storage B ----FC----- Host As above diagram, we need to setup connection (iSCSI or FC) between storage A and Storage B. For FC, we need to zone storage A & storage B in FC switch. Thanks, -Ruijing From: Ronen Kat [mailto:ronen...@il.ibm.com] Sent: Sunday, February 15, 2015 4:46 PM To: OpenStack Development Mailing List (not for usage questions) Subject: Re: [openstack-dev] [cinder] documenting volume replication Hi Ruijing, Thanks for the comments. 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. Re (3) - Not sure I see how this relates to storage side replication, do you refer to host side replication? Ronen From: "Guo, Ruijing" <ruijing....@intel.com<mailto:ruijing....@intel.com>> To: "OpenStack Development Mailing List (not for usage questions)" <openstack-dev@lists.openstack.org<mailto:openstack-dev@lists.openstack.org>> Date: 15/02/2015 03:41 AM Subject: Re: [openstack-dev] [cinder] documenting volume replication ________________________________ Hi, Ronen, I don't know how to edit https://etherpad.openstack.org/p/cinder-replication-redoc and add some comments in email. 1. We may add asynchronized and synchronized type for replication. 2. We may add CG for replication 3. We may add to initialize connection for replication Thanks, -Ruijing From: Ronen Kat [mailto:ronen...@il.ibm.com] Sent: Tuesday, February 3, 2015 9:41 PM To: OpenStack Development Mailing List (openstack-dev@lists.openstack.org<mailto:openstack-dev@lists.openstack.org>) Subject: [openstack-dev] [cinder] documenting volume replication As some of you are aware the spec for replication is not up to date, The current developer documentation, http://docs.openstack.org/developer/cinder/api/cinder.volume.driver.html, cover replication but some folks indicated that it need additional details. In order to get the spec and documentation up to date I created an Etherpad to be a base for the update. The Etherpad page is on https://etherpad.openstack.org/p/cinder-replication-redoc I would appreciate if interested parties would take a look at the Etherpad, add comments, details, questions and feedback. Ronen, __________________________________________________________________________ OpenStack Development Mailing List (not for usage questions) Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe<mailto:openstack-dev-requ...@lists.openstack.org?subject:unsubscribe> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
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