megaraid sas controller bbu replacement procedure · procedure for removing the 9261- 8i megaraid...

MegaRAID SAS Controller BBU Replacement Procedure EDCS-1458166

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MegaRAID SAS Controller BBU Replacement Procedure

for CDE220, CDE420, CDE250, CDE460 and CDE470 servers

Version 1.0

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All contents are Copyright © 2012 Cisco Systems, Inc. All rights reserved. Important Notices and Privacy Statement.

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Table of Contents Table of Contents ............................................................................................................ 2

Overview ............................................................................................................................. 4 Front Panel ...................................................................................................................... 4 CDE220/CDE420 Rear Panel ......................................................................................... 6 CDE220/420 Mother Board Layout................................................................................ 7 CDE250 Mother Board Layout....................................................................................... 8 CDE460/470 Rear Panel ................................................................................................. 8 CDE460/470 Mother Board Layout................................................................................ 9

Upgrade Overview: ........................................................................................................... 10 Replacement Preparations............................................................................................. 10

High-Level Summary of the Replacement Steps:..................................................... 11 Procedure for removing the 9261-8i MegaRAID controller and replacing the BBU:...... 11



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Document Revision History The Document Revision History table below records technical changes to this document.

Document Version

Date Change Summary

Initial Version 1.0 October 28, 2014 Initial version

Author Phone E-Mail Address Scott Parry Technical Leader Engineer

801 426 2511 [email protected]

mailto:[email protected]



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Overview This document details the replacements of the internal card MegaRAID SAS Controller AOC-SASLP-H8iR-CI025 BBU (Battery Backup Unit) in the CDE220, CDE420, CDE250, CDE460 and CDE 470 servers with the new one. The BBU replacement is required to resolve the following:

1. BBU warnings – battery is not charging 2. Battery charging was disabled after the BBU temperature went over 40C 3. Other BBU warning messages

Front Panel CDE220:

Figure 1: CDE220 Front View

CDE420:


CDE250:




5

CDE460:


CDE470:




6

CDE220/CDE420 Rear Panel CDE220:

Figure 6: CDE220 Rear Panel View

CDE420:

Figure 7: CDE420 Rear Panel View



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CDE220/420 Mother Board Layout

Figure 8: CDE-220/420 Mother Board layout

CDE250 Rear Panel

Figure 9: Rear View of CDE250



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CDE250 Mother Board Layout

Figure 10: CDE-250 Mother Board View

CDE460/470 Rear Panel

Figure 11: CDE460 Rear Panel



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Figure 12: CDE470 Rear Panel

CDE460/470 Mother Board Layout

Figure 13: CDE460/470 Mother Board Layout



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Upgrade Overview: Cisco recommends that the customer should upgrade the CDS Devices in the following order:

• Bring the server offline • Shutdown the server • Remove power and cables • Remove the 9261-8i MegaRAID adapter from the server • Remove the BBU from the 9261-8i adapter • Replace the BBU on the 9261-8i adapter • Replace the 9261-8i adapter in the server • Replace cables and power • Reboot the server

Upgrade Times for each device: ~30 minutes.

Replacement Preparations • Verify that have received the correct BBU (Cisco Part Number: CDE3-HBA-G2MR-BBU=)

Model: BAT1S1P.

Figure 14: 9261-8i BBU



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High-Level Summary of the Replacement Steps:

1. Take the server offline from CDSM.

2. Issue the “init 0” command from the console.

3. Disconnect the power cords from the power supplies, remove the power supplies and

disconnect all the cables on the rear panel for physically replacing the 9261-8i MegaRAID

controller.

4. Open the chassis and remove the 9261-8i MegaRAID controller.

5. Remove the BBU from the 9261-8i MegaRAID controller.

6. Install the new BBU on the 9261-8i MegaRAID controller.

7. Replace the 9261-8i MegaRAID controller in the chassis.

8. Replace the SAS cables to the 9261-8i MegaRAID controller, replace the power supplies,

and the power cords

9. Reboot the server. See the section below for the details of each step:

Procedure for removing the 9261-8i MegaRAID controller and replacing the BBU:

1. In the CDSM, select Maintain/Server/Server Offload Enable

2. SSH as root to the device that is targeted for an upgrade. Stop database by issuing the following commands:

a. as root, issue "db_shutdown" b. make sure avsdb process shuts down, "pgrep avsdb" and “netstat –an |grep

9999” should return nothing c. issue the “init 0” command

3. Inspect the server chassis and ensure all connecting cables are labeled, if fibers are in

use for streaming, ensure that TX/RX are marked by color or label. If any cables/fibers are missing label, use temporary label to show near end interface.

4. Power off the server, disconnect the power cords from the power supplies, remove the power supplies and disconnect all the cables on the rear panel.

5. Place the chassis on a workstation and remove the top cover; Note: Make sure you have an ESD strap on and you are properly grounded before proceeding.

6. Unscrew the bracket of the 9261-8i MegaRAID controller card at slot 3 on the CDE220/420, slot 1 on the CDE250/460/470.

7. Disconnect the mini SAS cable attached to the 9261-8i MegaRAID controller. 8. Remove 9261-8i MegaRAID controller from the chassis.



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Figure 15: 9261-8i MegaRAID controller with BBU

9. Remove the BBU from the 9261-8i MegaRAID controller: a. Unscrew the 3 screws on the rear of the card identified in Figure 13.

Figure 16: MegaRAID 9261-8i BBU screws

b. Remove the BBU from the card by disconnecting the BBU from the controller connector per below picture



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Figure 17: MegaRAID 9261-8i and BBU

c. Re-install the BBU by connecting the BBU to the controller connector and re-attaching the 3 screws to the rear of the card which were removed in step a above

10. Before re-installing the new MegaRAID controller, make sure that the BBU is installed

onto the card properly as shown in Figure 15. 11. Reinstall the 9261-8i MegaRAID controller into slot 3 for CDE220/420 and slot1 for the

CDE250/460/470 – ensuring it is fully seated into the PCIe slot. 12. Re-attach slot screw to firmly attach 9261-8i MegaRAID controller and check that all slots

screws are tightened. 13. Reattached the mini SAS cable to the 9261-8i MegaRAID controller. 14. Replace the top cover and rack the chassis. 15. Replace the power supplies and reconnect all cables, make sure you verify labels after all

cables and fiber/copper are connected to interfaces. 16. Boot the server.

megaraid sas controller bbu replacement procedure · procedure for removing the 9261- 8i megaraid...

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