HP MSA2040 / Replication over VPN

Looking to implement an MSA2040 SAN with 2 x vmWare Hosts. We are looking to replicate the SANs over VPN, both sites have shared broadband 50Mbps connections and are facilitated by Cisco Meraki Firewalls. The initial datastore iSCSI will be appx. 1TB and a daily change rate of around 1GB/5GB. Would the SANs perform replication through VPN? Is there a general guideline to use when replicating over VPN across a shared broadband WAN?
exchmagAsked:
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Have you actually checked your data change rate? I can provide you scripts, so you can actually show the change rate per day.

Because that seems very low, so virtual machines change by 1 GB an hour, and that's when idle.

As for guidelines, have the fastest connection possible, 50MBps is considered slow.
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exchmagAuthor Commented:
A script would be great. 100Mbps is the fastest available
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
When you have run the scripts, and worked out your averages daily change, you will be able to complete some calculations, as to how long, replication will take.

the scripts in this article

http://www.jpaul.me/2011/03/how-much-bandwidth-for-offsite-vm-replication/

if you schedule and run them each day, 24 hours apart, will give you the rate of change of data per day.

How will you initially seed the first replica ?
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exchmagAuthor Commented:
It will have to be done locally over 10Gbe I would presume?
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
You will need a local method to pre-seed....1GBe or 10GBe.
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Justin PaulSolutions Architect / BloggerCommented:
Hehe thanks for the blog shout out Andrew ;)
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Justin PaulSolutions Architect / BloggerCommented:
If it turns out ur wan connection can't handle the change rate u may want to look into a wan accelerator product or use Zerto for replication as it has compression built in.

Disclaimer: I start working for Zerto on Monday
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frankhelkCommented:
No comment has been added to this question in more than 21 days, so it is now classified as abandoned.

I have recommended this question be closed as follows:

Accept: Andrew Hancock (VMware vExpert / EE MVE) (https:#a40929645)

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