two hosts replica

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two hosts replica

Veeam Logoby jamerson » Sun Jul 02, 2017 9:56 pm

Dear All,
We are working on a new Infra with two hosts.
Server Host 1 ESXI01
Domain controller
Exchange 1
Exchange 2
Terminal Server

Server host 2 ESXI02
VEEAM backup server with 3x 8TB
8TB for backup
8TB for Replica

Can someone please share their thought with me how to get this proprly configured ?
jamerson
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Re: two hosts replica

Veeam Logoby Shestakov » Sun Jul 02, 2017 11:05 pm 1 person likes this post

Hello Julien,
Here is an article describing all replication best practices.
Do you have any particular concerns?
Thanks!
Shestakov
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Re: two hosts replica

Veeam Logoby jamerson » Mon Jul 03, 2017 2:18 pm

Thank you for your answer.
I am trying to understand whenever a VM is down and the users will be redirected to the replica, what would happens to the changes they did while the original VM has been down?
jamerson
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Re: two hosts replica

Veeam Logoby Shestakov » Mon Jul 03, 2017 3:04 pm

No data is to be lost.
The failover operation is performed in the following way:
1. Veeam Backup & Replication rolls back the VM replica to the required restore point. To do this, it reverts the VM replica to the necessary snapshot in the replica chain.
2. Veeam Backup & Replication powers on the VM replica. The state of the VM replica is changed from Normal to Failover. If you perform failover for testing or DR simulation purposes, and the original VM still exists and is running, the original VM remains powered on.
3. Veeam Backup & Replication temporarily puts replication activities for the original VM on hold (until the VM replica is returned to the Normal state).
4. All changes made to the VM replica while it is running in the Failover state are written to the delta file of the snapshot, or restore point, to which you have selected to roll back.
Here is full explanation.
Thanks!
Shestakov
Veeam Software
 
Posts: 4842
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