Veritas-bu

[Veritas-bu] Is it wrong...

2001-06-05 12:54:13
Subject: [Veritas-bu] Is it wrong...
From: petes AT convergentdata DOT net (Peter Smith)
Date: Tue, 5 Jun 2001 10:54:13 -0600
I doesn't a first glance look like a problem. But it is logically wrong.
There is no need to reference the robot twice. This would only make sense if
you were limiting the number of drives logically defined for a storage unit.

As far as being a potential problem, I would say probably no only as long as
for the classes accessing these storage units they don't try to utilize all
10 drives associated with one storage unit. Of course, NetBackup will
probably just queue any jobs trying to access the same drives.

Peter Smith
Convergent Data Services Inc.
www.convergentdata.net
720-482-9559 (work)
720-482-0907 (fax)


-----Original Message-----
From: veritas-bu-admin AT mailman.eng.auburn DOT edu
[mailto:veritas-bu-admin AT mailman.eng.auburn DOT edu]On Behalf Of David A.
Chapa
Sent: Tuesday, June 05, 2001 10:37 AM
To: veritas-bu AT mailman.eng.auburn DOT edu
Subject: [Veritas-bu] Is it wrong...


I have a client with the following configuration:

L700 - in a SAN with NetBackup 3.4 and SS0

Upon reviewing their site, I noticed several Storage
Units configured for each media server.  They each
contained the same number of drives and referenced the
same robot number (0).  I was concerned at first
glance, but then realized that functionally this wasn't
a problem.  However, could it eventually become a
problem?  Could contention be an issue down the road?

Example

MEDIASRV1
  STU1   Robot (0)  Number of Drives (10)
  STU2   Robot (0)  Number of Drives (10)

MEDIASRV2
  STU3   Robot (0)  Number of Drives (10)
  STU4   Robot (0)  Number of Drives (10)

Another brain on this one would help...

thanks

david

<><><><><><><><><><><><><><><><><><><><>
David A. Chapa
Consulting Manager
DataStaff, Inc.
847 413 1144
http://www.consulting.datastaff.com
---------------------------------------
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