Hello Wodel, Glad to hear for considering gluster geo-replication for oVirt-gluster HC infra. More answers inline
On Wed, Oct 2, 2019 at 3:54 PM wodel youchi <[email protected]> wrote: > Hi, > > oVirt Hyperconverged disaster recovery uses georeplication to replicate > the volume containing the VMs. > > What I know about georeplication is that it is an asynchronous replication. > > My questions are : > - How the replication of the VMs is done, are only the changes > synchronized? > Gluster geo-replication should be configured from the gluster volume that backs the storage domain at your site to other( at the remote site ). Gluste geo-rep uses 'rsync' under the hoods, so post the first sync, only the changes are synchronized > - What is the interval of this replication? can this interval be > configured taking into consideration the bandwidth of the replication link. > You have to make use of oVirt Manager to schedule your remote sync. Click on gluster volume backed storage domain -> click on 'Remote data sync setup' -> create a schedule > - How can the RPO be measured in the case of a georeplication? > Its completely based on the schedule that you set. Geo-replication process by itself, sets the checkpoint at the master volume and it guarantees that contents will be synced till that checkpoint to the slave, when completed. Thanks, Satheesaran S ( sas )
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