documentation on georeplication failover

[Joseph Lorenzini <jaloren@xxxxxxxxx>]

Hi all, 

I found this doc on georeplication. I am on gluster 3.9. I am looking for documentation that explains how to failover between the master and slave volumes.

http://gluster.readthedocs.io/en/latest/Administrator%20Guide/Geo%20Replication/

How would someone handle the following scenario.

1. two datacenters A and B. Each is running a gluster pool.
2. In DC A , create gluster volume named gv0-dcA.
3. In DC B, create gluster volume named gv0-dcB.
4. Gluster volume gv0-dcA is the master and volume gv0-dcB is the slave.
5. A couple GB of data is written to gv0-dcA and replicated to gv0-dcB.
6. Initiate failover process so that: 
1. all writes are completed on gv0-dcA 
2. gv0-dcA is now read-only 
3. gv0-dcB becomes master and now data can be written to this volume
4. gv0-dcA is now the slave volume and gv0-dcB is the master volume. Consequently, georeplication now happens from gv0-dcB to gv0-dcA.
7. repeat all steps described in the previous step but now roles are switched where gv0-dcA becomes master and gv0-dcB becomes slave.

Thanks,

Joe 

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