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How to sell management backup to backup appliance not SAN

Posted on 2013-12-18
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Hello,

We have a Cisco UCS with VMware and storage on an EMC VNX SAN.  We have Veeam and currently backup to a pool on or EMC.  Management would like to replicate this off to a Dell Equalogic SAN to get it offsite, but I had been looking at a Quantum DXi.  With Veeam deduplication they think it is going to do as much as the appliance would at cheaper so better.  

I'm looking at justification, pros/cons why or why not to go with this v.s. an appliance?
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Question by:bergquistcompany
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SelfGovern earned 500 total points
ID: 39729581
The advantages of the appliance include these:
1) Efficient deduplication
2) Bandwidth-efficient replication to a second site
3) Choice of virtual tape library (VTL), NAS, and possibly other high-performance backup targets
4) Simple management of the appliance, and automatic management of backup jobs by the backup application

If you don't use deduplication, the space required to keep your backups on disk will spiral out of control fast.  Even if you use deduplication, you'll still want to have tape available as an archive medium for data you need to keep longer than 6-12 months.

Consider HP's StoreOnce systems as an alternate to the Quantum DXi.  A just-announced product refresh makes these systems the fastest out there, they are highly scaleable and offer encryption to help protect your data.  http://hp.com/go/storeonce   HP StoreOnce also works very well with Veeam to improve Veeam's native dedupe.
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by:bergquistcompany
ID: 39730383
Yes, we do plan to use Veeam's dedup and he'd like to backup to a disk of tray on our production SAN and then have that SAN replicate off to another.

What are the pros/cons of doing this v.s. going to an appliance?
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by:SelfGovern
ID: 39730472
Well, I listed the pros of the appliance above.

I guess that the pros of going to simple disk and using Veeam's dedupe alone
would primarily be cost and ability to reuse existing HW.

An additional complication of using a SAN to replicate backup data is -- just like with agentless databases -- you have no guarantee that the replication will give you a consistent copy you can recover from.   What if Veeam is updating its internal tables while the replication is running, and some tables are old data, while some tables include the updates?  Now you will likely not to perform a restore from the remote site at all.  This is true unless your SAN is Veam aware, and can quiesce Veeam or replicate it from a consistent snapshot.

One other question -- is the Equilogic SAN going to be dedicated to backup, or are you planning to mix production and backup data on it?   Storing backup data on the same storage as your production data is never a good idea -- you're risking losing it all, just as if you didn't have a backup.
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by:bergquistcompany
ID: 39732670
Equalogic will be dedicated to backup
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