I've worked on NetBackup since around version 3 (we're now up to 7.6) and I 
find it works well with various tape libraries as well as various deduplication 
appliances (we currently have Quantum DXi and EMC Data Domain and are 
evaluating ExaGrid.   The ExaGrid after 3 weeks of POC looks really good to us 
so we'll likely replace the DXi and DD units with it - it unlike the other 
appliances has settings to recognize the backup types being done such as 
NetBackup.)

NetBackup has plugins (at additional cost) that work with many different vendor 
products (e.g. Oracle RMAN,   MS-SQL,  MS-Exchange,  MS Hyper-V) and of course 
has agents for standard backups of Systems/Files for UNIX (HP-UX, Solaris 
[probably AIX but I haven't done that]) ,  Linux (2.4 kernels through 3.x so 
far - we do mostly RHEL here),  MS-Windows (we've done NT through Windows 2012 
but currently don't have anything under Windows 2000).

I last directly used HP's backup solution when it was still called Omniback.   

We don't care for EMC as an organization here because of what they did to us 
with their storage arrays a few years back.   Data Domain as an independent 
company was fine to work with but we'd not likely buy one now because of EMC's 
ownership.   Dell is buying EMC which may improve them overall but then again 
it is suggested Dell's main interest is in getting VMWare which EMC has the 
majority ownership of currently.   

The DXi we originally got was fine and worked well for our purposes (though 
tape was always faster and our POC shows the ExaGrid is even faster than tape). 
  However, DXi went to post-ingest deduplication to inline which caused us to 
miss our backup windows until we finally forced them to revert us to original 
unit.   Were I to look at another DXi I'd require onsite POC before I'd be 
willing to use their newer units.   

Although DXi, Data Domain and ExaGrid all allow for offsite replication units I 
doubt any of them allow you to replicate to anything other than another of 
their units.  The replication is done from appliance to appliance over the WAN 
not via the backup software (NetBackup, Data Protector).   If I read you 
correctly you are thinking you can replicate from your two colo data domains to 
some other unit at another site and I don't think that works.    

We haven't done the offsite replication (we duplicate to tape and send the 
tapes off site) but in ExaGrid's model they say their offsite replication is 
only of the compressed/deduped backups (not the landing area which is not 
deduped yet) so it would use less throughput on WAN.   

NetBackup makes their own deduplication appliance but my reading about them 
didn't give me a warm fuzzy so we didn't investigate them when we started 
looking for replacement for our DXi and Data Domain stuff.

We also heard from a company called Actifio which does offsite replication and 
isn't just a backup solution.   My own take on it was that it would be a great 
product to allow us not to be tied to vendor specific disk arrays for data 
replication in house (i.e. you can virtualize storage from multiple arrays).    
It also allows for offsite replication to another unit and they suggest they do 
very little over the WAN because of the way they set it up.   Were we doing 
such replication rather than tape duplications I might have pushed harder for 
that. 

If you're doing a DR plan offsite replication of daily backups allowed by the 
various dedupe units or the Actifio would probably be the best way to plan 
rather than spinning tapes so long as you put your offsite replication to 
something in another city via WAN.

-----Original Message-----
From: veritas-bu-bounces AT mailman.eng.auburn DOT edu 
[mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of tech472
Sent: Tuesday, November 24, 2015 3:52 PM
To: VERITAS-BU AT MAILMAN.ENG.AUBURN DOT EDU
Subject: [Veritas-bu] HP Data Protector vs Veritas Net Backup

Our two EMC Data Domain 640 repositories, one which we keep in our offsite CoLo 
facility and the other in our main office, have maxed out their capacity sooner 
than we had planned. Along with the DD's we use Avamar nodes to backup our VMs 
with Direct Drive Mappings (SQL clusters) and a few physical servers. We also 
use Veeam to back up the majority of our VM's - approx 100 servers. Replication 
occurs between the two DDs, approx 63TB compressed. 

We're currently researching a solution where we combine both DD's at the CoLo 
and replicate the data to an offsite provider. The main challenge here is 
finding a solution that talks to the EMC DD/Avamar nodes. Two options we're 
considering are Veritas Net Backup and HP Data Protector. We used Backup Exec 
prior to our infrastructure going mostly virtual but are not familiar with the 
Data Protector product. Would be interested to hear reviews from users of 
either product.

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