Networker

[Networker] EMC DL740 incompatibility with Networker 7.5+

2010-04-15 16:02:14
Subject: [Networker] EMC DL740 incompatibility with Networker 7.5+
From: brerrabbit <networker-forum AT BACKUPCENTRAL DOT COM>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Date: Thu, 15 Apr 2010 16:00:37 -0400
Greetings

Other folks may have already caught this, but I wanted to pass along something 
we've turned up because its not as obvious as I think it ought to be.

We're on the downhill side of our upgrade to 7.5 from 7.4 (or we were), but 
we've turned up a disturbing incompatibility with our EMC DL740s.   We use the 
embedded storage node in these units to handle our cloning to tape, and for the 
most part we've been happy with their operations.

Networker 7.5 will support EMC Disk Libraries running the 3.2 code and higher, 
but the DL740 model cannot be upgraded past the 3.1 code family.  Ergo, 7.4 is 
the last version of Networker that is supported with the DL740.

Even though the DL740 is supported until 2012, you can't use the embedded 
storage node past September when primary support for NE 7.4 ends.  I'm getting 
confirmation that the VTL portion of the gear is supported, but we're going to 
have to either buy an extended support agreement and put off our upgrade or 
re-design how we clone.

 :x 

It's especially unsettling because the documentation states part of this 
information in a couple of places (the procedure generator is one), but nowhere 
does it connect the dots and say "this gear won't work with 7.5".

It's still early in the process and EMC may come back and pull off something 
wonderful - but there are times when I wonder if ANYONE there really 
understands how the embedded storage nodes and Networker work together.  I 
mean, for crying out loud, all the cloning is doing is mounting tapes and 
copying data, exactly what in the 3.1 code is incompatible?

Hopefully someone will find this information useful, even if you're not running 
the 740 model, if you're relying on the DL embedded storage node for cloning, 
you should make a point to factor in the NW support for the engine code level 
when you look at your capital budgets.

--brerrabbit

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