StorageTek SL150 Modular Tape Library
 

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In this Document

Goal

Solution

Applies to:

Goal

How To Remove/Replace a Base Module Chassis FRU In the StorageTek SL150 Modular Tape Library

Solution

 REMOVE/REPLACE INSTRUCTIONS
   WHAT SKILLS ARE REQUIRED?: No special skills required, Field Replaceable Unit (FRU) procedure
   TIME ESTIMATE: 60 minutes
   TASK COMPLEXITY: 0

REMOVAL/REPLACEMENT INSTRUCTIONS:
   PROBLEM OVERVIEW: How To Remove/Replace a Base Module Chassis FRU In the StorageTek SL150 Modular Tape Library
   WHAT STATE SHOULD THE SYSTEM BE IN TO BE READY TO PERFORM THE RESOLUTION ACTIVITY?:  Offline to the host

WHAT ACTIONS ARE REQUIRED?:

Please refer to the Base Module Replacement Tips attached to this document

To Remove The Base Module FRU From The Rack

Caution:

The robot, front control panel, and base module chassis (the KLM card FRU would be the same as the base module chassis) are critical to maintaining the product serial number and customer settings. When a replacement is needed for any of these CRUs, you may only replace one CRU during a single power-down cycle.

1.Power off the library via the Web GUI and use the option enabled to prepare the robot for removal so that the robot ends up being in the parked position. 

   If the Web GUI is not available please see the How to Park the Robot Manually procedure at the bottom of this document.

Note – It is critical for the robot to be in the parked position.

2.Reposition the robot lock

• If the robot lock is the type with a knob, grasp the knob and turn it counterclockwise until the pointer is past the red, locked padlock icon.
• If the robot lock is the type with a thumb screw, loosen the thumb screw, remove the mechanism, rotate the mechanism 180 degrees, re-insert the mechanism, and tighten the thumb screw.

Note – Make sure the locked padlock icon is visible.

3.Remove all modules below the base module if applicable
4.Remove reusable parts from the base module and set them aside:
   a.Magazines
   b. Front Control Panel
   c. Robot

Note – Make sure to remove the Ethernet and USB cables from the robot before removing it.

   d. Tape drives
   e. Tape drive filler
   f. Power supplies
   g. Power supply filler

5.Remove screws securing the base module to the front of the rack.

Caution – The base module weighs approximately 12.8 kg (28.3 pounds) without magazines, tape drives, power supplies, or the robot CRU.

6.Extract the module from the rack.

To Install The New Base Module FRU Into The Rack

1.Install the module FRU:
   a. Grasp the base module along the side and lift it until the back is above the rack rails.
   b. Guide the module into the rack and set the rear side-tabs on the rack rails.
   c. Push the module into the rack to engage the bottom and middle side tabs.

Note – If you can not engage the rails properly, remove the base module and adjust the rails. Never bend the tabs to engage a rail.

   d. Push the module into the rack until the front side-tabs approach the front of the rack rails.
   e. Lift the module up slightly, push it into the rack, and set the front tabs down on the rack rail.

2.Secure to rack with screws (put one in a few turns then the other screw and tighten both).
3.Replace common parts, as applicable:
   a.Robot
   b. Tape drives
   c. Tape drive filler
   d. Power supplies  (However, do not connect the power supply cable at this time)
   e. Power supply filler
   f. Front control panel

4.Install the expansion module, if applicable, and repeat as necessary until all modules are in place.
5.Install the library floor in the bottom module
6.Install cartridge magazines in all modules.

7."Unlock the Robot". Reset the robot lock

• If the robot lock is the type with a knob, grasp the knob and turn it clockwise until the pointer is past the black, unlocked padlock icon.
• If the robot lock is the type with a thumb screw, loosen the thumb screw, remove the mechanism, rotate the mechanism 180 degrees, re-insert the mechanism, and tighten the thumb screw.

Note: Make sure the unlocked padlock icon is visible.

8.Connect, Align, dress, and secure the library and drive cables in the hook and loop straps (Ethernet, FC/SAS, USB).
9.Connect the power cord to each installed power supply.
10.Power On the SL150 library with the power button on the front of the library.

How to Park the Robot Manually:

1.Remove the top tape drive from the base module.
2.Locate the bullwheel gear above the top drive slot.
3.Place your finger in an indent on the body of the bullwheel gear.
4.Turn the gear clockwise to raise the robot.

Note – Assume that the 12 o’clock position is toward the front control panel.

5.Hold the bullwheel gear with the robot fully raised until the robot is locked.

6.Reposition the robot lock (loosen the thumbscrew, remove the mechanism, rotate the mechanism 180 degrees, insert the mechanism, and tighten the thumbscrew).

WHAT ACTIONS ARE REQUIRED TO RETURN THE SYSTEM TO AN OPERATIONAL STATE?: Wait for the SL150 to complete the initialization and then bring the SL150 online from the Web GUI.

PARTS NOTE:

REFERENCE INFORMATION: Please see attached video for a complete step by step walkthrough of how to remove/replace the SL150 Base Module chassis FRU.

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