Also remember that you will have a limited number of free slots for cards
on your datadomain controller regardless if they are VTL or 10 GB eth so
this is something that you need to consider I you plan to configure
failover on interfaces and or cards

On Monday, April 8, 2013, Tim Mooney wrote:

> In regard to: RE: [Networker] Data Domain in mixed BOOST/VTL mode?,
> Lemons,...:
>
>  This certainly will work.  EMC tests this configuration to ensure that
>> it works and works well, in fact.  The same Data Domain system can
>> 'ingest' VTL over Fibre Channel, and DDBOOST, NFS and CIFS over Ethernet
>> simultaneously.
>>
>
> Thanks Terry!
>
> I knew it's a supported config, I'm just wondering what the trade-offs
> are.  Since I have no experience with DD yet, it's hard for me to know
> whether it's a good idea to use it in mixed mode.
>
> For example, EMC pre-sales support has indicated that there may be as much
> as a 20% performance hit on the DD when operating in mixed mode, but the
> documentation they found on that didn't elaborate at all.
>
> It's those type of gotchas that I'm trying to suss out so I can make an
> informed decision.
>
> Tim
>
>  -----Original Message-----
>> From: EMC NetWorker discussion [mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU] 
>> On
>> Behalf Of Tim Mooney
>> Sent: Saturday, April 06, 2013 2:36 AM
>> To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
>> Subject: [Networker] Data Domain in mixed BOOST/VTL mode?
>>
>> Any gotchas or caveats for using a Data Domain in "mixed mode", where
>> some hosts use BOOST and some access the DD as a VTL?
>>
>> We don't have a Data Domain yet, but there's a good chance we'll be
>> replacing our traditional tape library with one by mid year.  Before that
>> happens, I would take our NetWorker server (on RHEL 6.4 x86_64) to
>> NetWorker 8.0sp1 or later, and I would get our clients updated to 8.x as
>> well.
>>
>> Our Networker server and the Data Domain will have 10 GiB connectivity,
>> but most of the backup clients currently just have 1 GiB ethernet.  Our
>> largest clients have 4 GiB FC SAN connectivity, though, so our SAN folks
>> are advocating having those clients access the DD as a SAN-based VTL, so
>> that backups and more importantly restores can utilize the higher-speed
>> 4 GiB SAN fabric.  The idea makes sense, but I'm a little concerned about
>> what caveats, gotchas, or complexity this will add to both the DD config
>> and the NetWorker config.
>>
>> I'm assuming I'll need a "SAN Storage Node" license for each SAN client
>> that wishes to directly access the DD as a VTL, or is that not the case?
>>
>> Any tips or words of wisdom that people could provide would be greatly
>> appreciated,
>>
>> Tim
>>
>>
> --
> Tim Mooney                                             Tim.Mooney AT ndsu DOT 
> edu
> Enterprise Computing & Infrastructure                  701-231-1076 (Voice)
> Room 242-J6, IACC Building                             701-231-8541 (Fax)
> North Dakota State University, Fargo, ND 58105-5164
>