Veeam replication vs hyper-v 2012 replication

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Veeam replication vs hyper-v 2012 replication

Veeam Logoby Ultra_Cool » Tue Oct 30, 2012 2:15 pm

Hello!

I have a few questions about replication. If i have Hyper-V 2012 core and if i run replication there why i should use veeam replication. P.S hyper-v core is free. What is different between veeam and hyper-v 2012 replication?

Second: If i have veeam backup can for example 5 different servers in 5 different domains connect to it and replicate over network or i have to use VPN tunnel.

Third: Can someone explain how compession works.

thank you

best regards/ ultra
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Re: Veeam replication vs hyper-v 2012 replication

Veeam Logoby Gostev » Tue Oct 30, 2012 2:44 pm

Hello,

1. The biggest difference is that Hyper-V replication is not scalabile, because is doubles write I/O on protected VMs. You will start running into heavy storage impact once you enable replication for more than a few VMs. On the other hand, Veeam replication does not have similar impact.

2. Yes, absolutely.

3. http://en.wikipedia.org/wiki/Data_compression

Thanks!
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Re: Veeam replication vs hyper-v 2012 replication

Veeam Logoby Ultra_Cool » Tue Oct 30, 2012 2:51 pm

Hi, Thank you on fast reply. So i dont need to have vpn tunnel for that. I can replicate to 5 different servers in different domains without vpn?
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Re: Veeam replication vs hyper-v 2012 replication

Veeam Logoby Gostev » Tue Oct 30, 2012 2:54 pm

VPN is not required, but might be good idea to have if you are replicating over Internet (for network traffic encryption).
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Re: Veeam replication vs hyper-v 2012 replication

Veeam Logoby Ultra_Cool » Tue Oct 30, 2012 3:08 pm

Okej thank u Gostev. Now if i decide to use veeam how i am gonna set it up for best use for my customers. We are using microsoft dpm. Which is advantages/dissadvantages to use veeam instead of dpm replikation. Or it can be good idea to use them both. Hope that u can help me with this so that i can make good decision. We are very interested in veeam so it will be good if u can answer to my questions.

Best Regards/Ultra
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Re: Veeam replication vs hyper-v 2012 replication

Veeam Logoby Vitaliy S. » Tue Oct 30, 2012 3:40 pm

Hello, you can learn about our top/core Hyper-V support features in this video. DPM provides none of these features. Hope this helps!
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Re: Veeam replication vs hyper-v 2012 replication

Veeam Logoby Ultra_Cool » Wed Oct 31, 2012 9:13 am

Thank you. Can i start up VM on veeam like i can in hyper-v? On hyper-v if i replicate vm and if something happens to it i can easily start it up on my secondary hyper-v. Can i do it in veeam or veeam is only backup solution with replication of data.

2 question: If i have 3 clients (different domains) and each client has 5 vm's. Can they share on same machine (veeam) or i have to have one veeam for each client.
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Re: Veeam replication vs hyper-v 2012 replication

Veeam Logoby Vitaliy S. » Wed Oct 31, 2012 9:29 am

1. Yes, you can start VMs either using Hyper-V Manager or Veeam backup console (see our User Guide, page 54)
2. It's up to you, but you can use the same single Veeam B&R server to backup their VMs.
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Re: Veeam replication vs hyper-v 2012 replication

Veeam Logoby Ultra_Cool » Wed Oct 31, 2012 5:42 pm

Hej Vitaliy thank u on your reply. Can i take backup on for example sql and recovery one database or i have to recovery whole vhd. Is there item level recovery i Veeam?
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Re: Veeam replication vs hyper-v 2012 replication

Veeam Logoby Vitaliy S. » Wed Oct 31, 2012 6:53 pm

Yes, you create a backup of the VM hosting SQL Server and then perform file-level recovery operation, no need to recover the whole vhd. In addition to this, we have a dedicated Exchange item restore wizard (User Guide, page 225). Hope this helps!
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Re: Veeam replication vs hyper-v 2012 replication

Veeam Logoby collinp » Fri Nov 02, 2012 4:51 pm

I have similar questions and want to delve further into the replication performance differences between Hyper-v 3.0 and Veeam 6.5. I see that Microsoft states that Hyper-v 3.0 replication is designed for small and medium sized business. I believe I saw one website stating a maximum of 50 vm's was recommended. Using both Hyper-v and Veeam replication, you can tune the replication intervals to a pretty granular level of, let's say, 15 minutes. But in the Veeam case, wouldn't the excessive snapshots be hard on the Hyper-v cluster? Would you want to replicate over 50 VM's on 15 minute intervals using Veeam? Wouldn't this put the Hyper-v cluster into redirected mode every 15 minutes? I know with VMWare, there is VAAI, which can help mitigate some of these performance issues. But not sure on Hyper-v. Can veeam replication on Hyper-v take advantage of Hardware VSS snapshots to help from going into redirected mode?
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Re: Veeam replication vs hyper-v 2012 replication

Veeam Logoby tsightler » Sat Nov 03, 2012 12:55 am 2 people like this post

Veeam can absolutely take full advantages of Hardware VSS snapshots and this is always the recommended options. By combining hardware VSS and off-host proxy with Veeam CBT that Hyper-V snapshots are relatively non-disruptive, actually far less so that with VMware even with VAAI.
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Re: Veeam replication vs hyper-v 2012 replication

Veeam Logoby Gostev » Sat Nov 03, 2012 8:30 pm 1 person likes this post

Exactly. Integration with storage-level snapshots for data protection is one thing where Hyper-V is light years ahead of VMware. Not only hardware VSS prevents cluster from going into the redirected I/O mode for the duration of backup, but storage-level snapshots are also completely non-disruptive, and not plagued by notorious VMware snapshot commit problems.
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Re: Veeam replication vs hyper-v 2012 replication

Veeam Logoby collinp » Sun Nov 04, 2012 1:58 pm

Great. I will begin testing Veeam replication. Why is Hyper-v's replication double the I/O over Veeams?
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Re: Veeam replication vs hyper-v 2012 replication

Veeam Logoby Gostev » Sun Nov 04, 2012 6:51 pm

Because it uses journaling approach (all changes are collected in a separate file, in addition to being written to the virtual disk). The journal file is then sent over to the target site and replayed into the replica virtual disks.
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