Veeam Replication over WAN - VMware & DR

Posted on 2014-09-14
Last Modified: 2016-02-25
Hi Guys,

We are just planning out DR solution as we currently don't have one in place.
We have two sites, Head Office and Data Centre. Data Centre is where most of our VM's are located. We only have a few VM's in Head Office like local domain controller, print services, wsus etc...

Anyway, we are thinking of making our DR destination in Head Office as we have multiple links to leverage off.

I know some of you may be thinking Head Office is not a good idea as it a location where the prod stuff is but we need something up quickly and they will be on a separate link and host and SAN so lets just work with this for now.

Our plan is to replicate the current Data centre and Head office VM's to this different host on a different SAN in Head office but we havent bought our DR SAN yet. Its in progress. Is it possible to start replication all VM's to our current Head Office SAN (make some DR LUNS) and then once we buy our DR SAN, just copy our replicated VM from current to new SAN and continue the replication? or would we need to start over from scratch.

Thanks guys.
Any other tips would be much appreciated.
Question by:out2getyou
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LVL 120

Accepted Solution

Andrew Hancock (VMware vExpert / EE MVE^2) earned 500 total points
ID: 40322743
Yes, you can do this.

Also there is no need to purchase a SAN for replication, you can replicate VM to VM, as long as you have a single host with lots of storage.

Author Comment

ID: 40322787
Thank you Andrew.

Yeah storage is the problem. We need more. All our storage is on SAN, not DAS.

How would you do this?
Would you need to stop replica, copy the files to the new SAN and then point replica to new target host and SAN and continue where it left off?
LVL 120
ID: 40322836
How would do do what?

So do you need to purchase a SAN first rather than DAS, although DAS would be supported and less expensive?
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Author Comment

ID: 40322892
How would you go from replicating to current SAN to new SAN and continuing where it left off?

Well money isn't an issue , we have budget so we are going for SAN.

We are going to kick off the replica to current to SAN only few VMs but once we buy new SAN, we will move to new SAN.

Also do you know how replicating a sql cluster would be like? Same thing as other VMs?
LVL 120
ID: 40322952
There are two methods

1. SAN to SAN replication, e.g. Equallogic and NetApp both offer SAN to SAN replication.

2. VM replication,, e.g. Veeam Backup and Replication, vSphere Replication, Naviko Replication

Author Comment

ID: 40324076
I'll be doing option 2 VM replication Veeam backup and replication.  But what I'm asking is for now, I'll be replicating to my head office host and SAN for VM replication but soon I'll be buying another host and SAN for replication to isolate them. Would it be easy to continue replication on new hardware ? Even if I already started replication on head office gear? Hope you understand!
LVL 120
ID: 40324154
You will need to create new jobs, to replicate to new hosts and equipment.

Author Comment

ID: 40324250
Would the initial replication (bulk of the large data) need to be done again? Can't I just copy the old replicated data across to new gear and Veeam continue where it left off?
LVL 120
ID: 40324291
You can seed the replication jobs, so this should be possible, to reduce the initial sync again.

Author Comment

ID: 40336002
thank you! i havent done anything on this yet but ill have to revisit it.

Author Comment

ID: 40466360
Thanks Andrew.
Ill give this a go and if I have problems ill open up a new question.

Author Closing Comment

ID: 40466362
great! thank you

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