Veritas-bu

[Veritas-bu] Fiber channel robot device numbers auto-incrementing

2013-03-27 15:07:14
Subject: [Veritas-bu] Fiber channel robot device numbers auto-incrementing
From: Neil Conner <neil AT mbari DOT org>
To: "<veritas-bu AT mailman.eng.auburn DOT edu>" <veritas-bu AT mailman.eng.auburn DOT edu>
Date: Wed, 27 Mar 2013 12:07:07 -0700
Environment:
NetBackup 7.1.0.4
RHEL6 master and media server
Overland Storage FC Neo 8000e tape library (tld)
LTO5 tape drives

Our new tape library has frozen a couple of times and needed to be rebooted.  
When it comes back online, the media server assigns the robot a new device name 
which means NetBackup can't talk to it any more and all the tape drives are 
down'd until the robot is reconfigured with the new device name. Major PTA.

output from scan:
Device Name  : "/dev/sg6"
Passthru Name: "/dev/sg6"
Volume Header: ""
Port: -1; Bus: -1; Target: -1; LUN: -1
Inquiry    : "OVERLANDNEO Series      0701"
Vendor ID  : "OVERLAND"
Product ID : "NEO Series      "
Product Rev: "0701"
WWN          : ""
WWN Id Type  : 0
Device Identifier: "OVERLANDNEO Series"
Device Type    : SDT_CHANGER
NetBackup Robot Type: 8

Prior to yesterday's reboot, the Device Name and Passthru Name were both 
"/dev/sg5", and prior to that they were both "/dev/sg4", etc.

Does anyone know how to keep the device name fixed in RHEL6?

Thanks,
Neil

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