[ovirt-users] Need advise/help/ideas to implement a two sites disaster-recovery with ovirt

[wodel youchi]

Hi,

We want to implement two sites with ovirt and have disaster-recovery, if
site one is unreachable, then site two takes-over.

We will be using iSCSI for Data domains

Our initial idea is :
- install the first site :
   - self-hosted engine
   - iscsi blocks for data domains

- install the second site:
   - self-hosted engine.
   - iscsi blocks for data domain.

Use the snapshot synchronization of the disk-array to sync iscsi
blocks/volumes.

The two self-hosted engine will be independent.
In case of a failure :
 - break the synchronization
 - Access the data domain in site two
 - start the VMs.


oVirt does not manage replication of VMs itself, someone may argue that
it's not it's purpose, but what about selecting the VMs to replicate?? in
case of NFS we may (I don't know really if it's possible) have some access
to the VMs disk files, but in block mode with LVM in it, things become
complicated.

So if someone has implemented such architecture, could you please share the
experience, give advice and ideas on how to best implement this.

Regards.

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