[openstack-dev] Questions about remote replication

Guo, Ruijing ruijing.guo at intel.com
Thu Feb 12 02:36:45 UTC 2015


Replication should be in 2 backends. You may look at http://www.emc.com/collateral/white-papers/h12079-vnx-replication-technologies-overview-wp.pdf

Thanks,
-Ruijing

From: Chenzongliang [mailto:chenzongliang at huawei.com]
Sent: Thursday, February 12, 2015 9:20 AM
To: OpenStack Development Mailing List (not for usage questions)
Subject: [openstack-dev] Questions about remote replication


According to the blueprint description(https://blueprints.launchpad.net/cinder/+spec/volume-replication)
The Create volume with the replication enabled:
* the Scheduler selects two hosts for volume placement and sets up the replication
The DB entry

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?

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