Networker

[Networker] EDL with Embedded Networker Storage Node

2008-09-08 23:15:15
Subject: [Networker] EDL with Embedded Networker Storage Node
From: brerrabbit <networker-forum AT BACKUPCENTRAL DOT COM>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Date: Mon, 8 Sep 2008 23:05:54 -0400
Bruce Breidall wrote:
> There is a web based java gui to manage the CDL/EDL. Should have been
> installed with the units. Very good application.
> 


I agree, there is a very good GUI application to manage the EDL, but what's 
missing is a good way to manage the embedded storage node.  For example, if I 
want to run an inquire command to get a listing of the scsi devices, serial 
numbers, etc visible to the storage node, or if I'm troubleshooting drive 
behavior with mt, I have to have EMC support open an ssh session and have 
*them* login as root, as they will not hand out that password.  I've heard, and 
we are trying to get this set up at our site, that if you ask your TC nicely, 
he/she can have someone from EMC set up a non-root linux user that has 
permission to run some of the commands like inquire from the linux 
environment/embedded storage node.

This is one of the few medium grade annoyances I have with the EDL.  Another 
one is that, while there is a command-line interface to generate reports about 
the EDL utilization, you have to log in to the GUI to get them.  In a large 
environment I want to script and schedule that and can't because of a design 
oversite.

One other comment about using the embedded storage node and cloning.  Assuming 
that a) your environment uses a shared-storage node to backup up to the VTL and 
b) your budget allows for the licenses, I strongly recommend that you zone the 
shared storage node to also see the physical tape library, i.e. the embedded 
storage can see the VTL and the physical library and so can the shared storage 
node.  The reason for this is that, in the event that you have a connectivity 
problem between the ESN and the PTL, you can clone from the shared storage 
node.  Clones from the shared storage node may not happen as quickly, but the 
added flexibility is well worth the minor cost. (Yes, we learned this the hard 
way!)......

HTH 
-brerrabbit

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