StorageTek SL150 Modular Tape Library
 

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In this Document

Goal

Fix

Applies to:

Goal

How To Remove/Replace an Expansion Module Chassis CRU in the StorageTek SL150 Modular Tape Library

Fix

 DISPATCH INSTRUCTIONS
   WHAT SKILLS DOES THE FIELD ENGINEER/ADMINISTRATOR NEED?: Knowledge of the StorageTek SL150 Modular Tape Library
   TIME ESTIMATE: 60 minutes
   TASK COMPLEXITY: 0

FIELD ENGINEER/ADMINISTRATOR INSTRUCTIONS:
   PROBLEM OVERVIEW: How To Remove/Replace an Expansion Module Chassis CRU in the StorageTek SL150 Modular Library
   WHAT STATE SHOULD THE SYSTEM BE IN TO BE READY TO PERFORM THE RESOLUTION ACTIVITY?: The SL150 library should be offline to the host.
   WHAT ACTION DOES THE FIELD ENGINEER/ADMINISTRATOR NEED TO TAKE?:

To Remove the Failed Expansion Module Chassis:

1.Power down the library with the option enabled to prepare the robot for removal.  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 parked and locked before attempting to remove a module.

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

Note – Make sure the locked padlock icon is visible.

3.Remove the cartridge magazines from the defective module, all modules below it, and the module immediately above it.
4.Remove the floor from the bottom module.
   a. Grasp the library floor at the thumbholds within the magazine openings.

   b. Pull the floor out the front of the module.
5.Disconnect cables and cords at the modules:
   a.Disconnect the USB cable from the jack at each affected module controller.
   b. Open the hook and loop strap, extract all cables and cords, then close the hook and loop strap.
   c. Disconnect the power supply cord.
   d. Disconnect the drive interface and Ethernet cables, as applicable.
6.Remove the operational modules below the defective module:
   a.(Optional) Remove tape drives and power supplies to lighten the weight of the expansion module.
   b. Remove the Phillips screws securing the expansion module to the front of the rack.

Warning – Heavy object. The expansion module weighs approximately 19.9 kg (43.9 pounds) with two cartridge magazines, 30 tape cartridges, two tape drives, and two power supplies. c. Grasp the module, pull the module forward until the break in the flange is visible, lower the front of the module, pull the module free from the one above it, and away from the rack.

   d. Set the module down and away from the front of the rack.
   e. Remove the rear rails for the module. Leave the clip nut in place.

Note – Repeat Step 5 as necessary until you have removed the failing expansion module.

7.Remove the CRUs from the defective module and set them aside for installation in the replacement module:
   a.Remove the module controller (see steps three through five of “To Remove the Module Controller” on page 36).
   b. Remove the tape drive, if applicable.
   c. Remove the tape drive filler, if applicable.
   d. Remove the power supply (see steps three through five of “Power Supply”, if applicable.
   e. Remove the power supply filler (see “To Remove the Power Supply Filler”, if applicable.

To Replace the New Expansion Module Chassis:

1.Remove the module chassis from the shipping carton.
2.Engage the additional module with the previous module:
   a.Lift the replacement module.
   b. Align the flanges at the rear of the module with the grooves in the lower front edges of the installed module.
   c. Push the module a few inches into the rack.

Note – There is a gap in the module flange.

3.To install the module:
   a.Lower the top front edge of the module while slowly pushing the it into the existing module.
   b. Take care to avoid any contact between exposed module parts and the bottom edge of the installed module.

Note – Some parts have sharp edges that could mar the installed module.

   c. Lift the front edge of the module to level after the sharp edges of parts are behind the face of the installed module. Continue to push the module in until about 5 cm (1.97 inches) from the rack front stiles.
   d. Locate the module alignment tab and the slot in the left magazine slot.
   e. Push the module in and seat the alignment tab fully in the slot.
   f. Secure the module to the rack with two Phillips screws.
4.Attach the module label in the upper left corner inside the scribe marks.
5.Install the CRUs and fillers in the replaced module:
   a.Module controller.
   b. Tape drive.
   c. Tape drive filler.
   d. Power supply.
   e. Power supply filler.

6.Insert the cartridge magazines (except for the bottom module).
7.Install the rear rails for each module.
8.Repeat steps 1 through 7 until all expansion modules are installed.
9.Connect, Align, dress, and secure all drive and library cables in the hook and loop straps.
10.Install the library floor in the bottom expansion module, and install cartridge magazines in the last module.
11.Power on the library from 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).

OBTAIN CUSTOMER ACCEPTANCE
   WHAT ACTION DOES THE FIELD ENGINEER/ADMINISTRATOR NEED TO TAKE TO RETURN THE SYSTEM TO AN OPERATIONAL STATE?: Brint the SL150 to an online state from the Web GUI

PARTS NOTE:

REFERENCE INFORMATION: Please see attached video for a step by step procedure on how to remove and replace an Expansion Module Chassis in a StorageTek SL150 Modular Tape Library.

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