Just a shot in the dark here, but is it possible the old drives are
hidden because of the path changes? You can check using this support
article. http://support.microsoft.com/kb/315539 Also, have you run the
TUR fix for your fiber tape drives?
http://support.microsoft.com/kb/842411
-Jonathan
-----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
Brandon35
Sent: Wednesday, July 07, 2010 11:04 PM
To: VERITAS-BU AT MAILMAN.ENG.AUBURN DOT EDU
Subject: [Veritas-bu] SAN Switch Change caused NBU7 to lose tape drives
Hi everyone,
In one of my environments we replaced our old SAN switch with a new
Cisco. We went from 1 fabric on the old switch to 2 fabrics on the new
Cisco switch.
We split up the tape drives 1, 2, 3, 4 on Fabric A. 5,6,7,8,9 on Fabric
B.
After this switch, our media servers are having enormous trouble seeing
the tape drives at all. One media server see's 6 tape drives which makes
no sense at all. One media server see's all 9. Another media server
see's 7.
No rhyme or reason to any of it. Why would a switch change cause this?
Our zone's have been thoroughly checked multiple times. Each tape drive
is presented to the media servers, I assure you.
One of our Windows media servers see's only 6 tape drives in Device
Manager, but San Surfer shows that the HBA see's all 9....
A Solaris 9 media server see's 9 tape drives, but netbackup only see's
7.
So, what do you guys think could be going on? Do I need to do something
to the HBA's like reset, so they forget the previous paths? Could tape
drivers be the potential issue, can tape drivers cause an issue with 1
switch over another? I am completely out of ideas so im throwing random
ideas out... Anyone??
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