IBM DS3500 User Manual

11. Ensure that the Power switch on the replacement power-fan controller is
turned off, and plug in the power cord.
12. Slide the replacement power-fan controller all the way into the controller-drive
enclosure. Rotate the latches towards the center to lock the power-fan
controller into place.
13. Attach the plastic strain relief to the power cord, and ensure that it fits snugly
up against the power-fan controller.
14. Turn on the Power switch on the new power-fan controller.
15. Check the Power-Fan Output DC Power LED, the Power-Fan Input AC Power
LED, and the Power-Fan Service Action Required LED on the new power-fan
controller.
16. Based on the LED status, perform one of these actions:
v The Power-Fan Output DC Power LED and the Power-Fan Input AC Power
LED are on and the Power-Fan Service Action Required LED is off – Go to
step 18.
v The Power-Fan Output DC Power LED and the Power-Fan Input AC Power
LED are off or the Power-Fan Service Action Required LED is on – Check
that the power-fan controller is installed correctly. Reinstall the power-fan
controller. Go to step 17.
17. Did this action correct the problem?
v Yes – Go to step 18.
v No – If the problem is not resolved, contact your Customer and Technical
Support representative.
18. Complete any remaining Recovery Guru procedures, if needed.
19. Using the LEDs and the storage management software, check the status of all
of the enclosures in the storage subsystem.
20. Does any component have a Needs Attention status?
v Yes – Click the Recovery Guru toolbar button in the Subsystem
Management Window, and complete the recovery procedure. If the problem
is not resolved, contact your Customer and Technical Support
representative.
v No – Go to step 21.
21. Remove the anti-static protection
Power supply
Release
levers
Figure 108. Replacing a power supply
144 IBM System Storage DS3500 and EXP3500 Storage Subsystem: Installation, User's, and Maintenance Guide

IBM DS3500 Specifications

General

Storage Type	Disk Array
Form Factor	2U
Supported Drives	SAS, SATA
RAID Levels	0, 1, 5, 6, 10, 50, 60
Management Software	IBM System Storage DS Storage Manager
Operating System Support	Windows, Linux, VMware, AIX, HP-UX, Solaris
Model	IBM DS3500
Host Interfaces	SAS
Cache Memory	2 GB
Power Supply	Dual redundant, hot-swappable
Number of Controllers	2

Summary

Safety Information and Precautions

Safety Statements and Warnings

Electrical and Handling Safety

Details electrical hazards, shock prevention, safe cable handling, and battery precautions.

Chapter 1. Introduction to IBM Storage Subsystems

Chapter 2. Installing the Storage Subsystem and Storage Enclosure

Installing the DS3500 Storage Subsystem

Provides detailed instructions for installing the DS3500 storage subsystem into a rack.

Handling Static-Sensitive Devices

Offers crucial guidelines for handling static-sensitive devices to prevent damage during installation.

Preparing for Installation

Installing the EXP3500 Storage Enclosure

Provides step-by-step instructions for installing the EXP3500 storage enclosure into a rack.

Chapter 3. Cabling the Storage Subsystem and Storage Enclosure

Cabling the DS3500 Storage Subsystem

Instructions for cabling the DS3500 subsystem to hosts, drives, and external devices based on configuration.

Controller Connectors and Adapters

Working with Fiber Optic and SAS Cables

Connecting Storage Enclosures

Details how to connect EXP3512/EXP3524 enclosures to DS3512/DS3524 subsystems using SAS cables.

Connecting SAS Hosts to the DS3500

Instructions for connecting SAS hosts to the DS3500 using SAS cables, including redundant connections.

Connecting iSCSI Hosts to the DS3500

Cabling Power Supplies

Chapter 4. Operating the Storage Subsystem and Storage Enclosure

Performing Health Checks and Inspections

Powering On and Off Procedures

Troubleshooting the Storage Subsystem

Utilizes Storage Manager software to monitor, diagnose, and recover from hardware failures.

Chapter 5. Replacing Components

Controller Replacement Procedures

Steps for removing, installing, and replacing controllers, including DIMM and battery unit procedures.

Drive Replacement Procedures

Instructions for replacing hot-swap drives, multiple drives, and performing drive upgrades.

Power Supply Replacement

ESM and Midplane Replacement

Chapter 6. Solving Problems

DS3500 Storage Subsystem Troubleshooting

Guides users through diagnosing and resolving issues in the DS3500 subsystem using indicators and diagnostics.

Seven-Segment Display Sequence Codes