SL150 - Library Cannot be Seen by Net Backup, Drives Can be Seen, Robtest Cannot See the TLD Device

Asset ID:	1-72-1552924.1
Update Date:	2017-05-18
Keywords:

Solution Type Problem Resolution Sure

Solution 1552924.1 : SL150 - Library Cannot be Seen by Net Backup, Drives Can be Seen, Robtest Cannot See the TLD Device

Applies to:

StorageTek SL150 Modular Tape Library - Version All Versions and later
Information in this document applies to any platform.
Windows Enterprise Server 2008 R2
Brocade 425/825 Driver version: 3.2.0.0 HBA
EMC DS-5100B Switch 6.4.2a
HP ULTRIUM 5 (driver version 1.0.7.0)
Symantec Netbackup 7.1.0.4
"Unknown Media Changer" being used.
SL150 1.82 Firmware
SL150

Symptoms

Unable to see the SL150 from Netbackup 7.1.0.4.

LT05 Drives are seen and can be configured into Netbackup.

Robtest shows "TLD(5) cannot be found".

Host Configuration Manager switch software shows library seen but with no OS device name (is blank). Other libraries on the same switch loop show OS device names.

Library is seen at device level in Windows Enterprise 2008 R2 OS

"Unknown Media Changer" being used.

SL150 has no apparent errors.

Diagnostic steps taken by customer

1. Power down sl150
2. Power down media servers
3. Powered up sl150 - 'displays online'
4. Started each media server sequentially
5. Robot appears in both media server as 'unknown changer'
6. Run 'Robtest' from cmd line on media servers. TLD(5) cannot be found.
7. Drives can be seen and added in NetBackup. But robot cannot be seen.

Changes

The library was installed in the rack a few months ago and has been idle and not connected during this period as customer was waiting for a new fibre switch to be installed. This work was completed and switch zoned.

On Initial startup, errors were seen in SL150:

Errors first seen ,0017,2012-10-25T18:16:47.058,9080,MAG_OPEN_OR_UNLATCHED,,,,,,,,,,,Resolved
O,0035,2013-03-28T14:01:56.578,9114,ROBOT_UNSPECIFIED_FAILURE,3,Robot,,,,,,,,,Inspect/replace robot
C,0035,2013-03-28T14:01:56.641,9114,ROBOT_UNSPECIFIED_FAILURE,,,,,,,,,,,Resolved
I,,2013-04-10T14:09:20.428,,,,,,,,,,,,,----> Library Start-up Detected <----
I,,2013-04-15T15:14:56.655,,,,,,,,,,,,,----> Library Start-up Detected <----
O,0002,2013-04-15T15:27:36.171,9080,MAG_OPEN_OR_UNLATCHED,1,Module 1 Left Magazine,2,Module 1 Chassis,3,Robot,,,,,Close magazine. Reseat/replace controller. Inspect/replace module chassis
C,0002,2013-04-15T15:28:10.193,9080,MAG_OPEN_OR_UNLATCHED,,,,,,,,,,,Resolved

Robot was replaced but connection issues with TLD(5) unaffected.

SL150 Microcode updated to 1.82 as attempt at resolution.

Switch Upgrade to 6.4.2a as attempt at resolution.

HP LTO5 drivers upgraded to 1.0.7.0 as attempt at resolution.

Cause

Corrupt NBU configuration.

Solution

All instructions refer to NBU commands.

1. Remove the Media storage units concerned from the Master Server...

nbemmcmd –deletealldevices –allrecords

2. Use the Configure Storage Devices wizard to re-configure storage devices

References

<NOTE:1474172.1> - SL150 - How to Find Code Update Patches and Upgrade the StorageTek SL150 Modular Tape Library With Those Patches
<NOTE:1509547.1> - SL150 - Firmware Upgrades From Versions Below 1.50 Cannot be Performed Remotely
http://www.symantec.com/business/support/index?page=content&id=TECH38829
http://www.symantec.com/business/support/index?page=content&id=TECH189461&actp=search&viewlocale=en_US&searchid=1341925905930
<BUG:16265096> - SL150 FC CAN'T BE RECOGNIZED BY SERVER AFTER REBOOT(1017-1)
<NOTE:1473774.1> - SL150 - How to Remove/Replace the Robot CRU in a StorageTek SL150 Modular Tape Library:ATR:1473774.1:0
<NOTE:1016944.1> - HP LTO - Where to find HP LTO Device Driver

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