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IBM Manuals
Enclosure
Medium J11
Hardware installation and maintenance manual
IBM Medium J11 Hardware Installation And Maintenance Manual
Disk enclosure, cloud object storage system
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Figures
Document Information
Safety and Environmental Notices
Safety Notices
Environmental Notices
Electromagnetic Compatibility Notices
Declared Noise Emissions
Support Information
Chapter 1. Appliance Safety Precautions
Physical
Electrical
Electronic Components
Chapter 2. Safety Guidelines
Safe Handling
Operation
Electrical Safety
Rack System Safety Precautions
Chapter 3. System Overview
Enclosure Chassis
Enclosure Configuration
Enclosure Variants
IBM COS Medium and Large Disk Enclosure - Dimetric Front Orientation
IBM COS Medium and Large Disk Enclosure - Dimetric Rear Orientation
Enclosure Core Product
Enclosure Front Panel
IBM COS Medium and Large Disk Enclosure Variants
Enclosure Rear Panel
IBM COS Medium and Large Disk Enclosure - Front Panel Components
IBM COS Medium and Large Disk Enclosure - Rear Panel Components
IBM COS Medium and Large Disk Enclosure - Rear Panel Module Slot Index Diagram
IBM COS Medium and Large Disk Enclosure - Rear Panel Components
Enclosure Top Panel
Power Supply Unit (PSU) Module Detail
System Fan Module Detail
Top Panel with Covers Installed
Top Panel with Covers Not Shown
Enclosure Top Panel
Medium Disk Enclosure Partially Populated Configuration
The Following Highlights Illustrate the Slots to be Populated in Order from Left to Right as Disks Are Added for the Four Configurations Noted in the above Table
Medium Disk Enclosure Partially Populated Configuration
Front Panel Leds
The Following Highlights Illustrate the Slots to be Populated in Order from Left to Right as Disks Are Added for the Four Configurations Noted in the above Table
Rear Panel Leds
Leds - 2000W PSU - Rear Panel
Leds - System Fan Module - Rear Panel
Expansion Module - Dimetric Rear Orientation
Top Panel Leds
LED: Dual Path LFF 3.5" Disk Drive Carrier Modules - Top Panel
Leds: Controller Channel Fan Module - Top Panel
LED - Dual Path LFF Disk Drive Carrier Modules - Top Panel
Enclosure Management
HS Expander Module - Top Panel
Leds: Controller Channel Fan Module - Top Panel
HS Expander Module Leds
Chapter 4. Installation
Installation Checklist
Planning for Installation
Preparing the Site and Host Server
Preparing for Installation
Unpacking the Disk Enclosure Using Straps
Unpacking the Disk Enclosure Using Lift Handles
Rackmount Rail Kit
Installing the Disk Enclosure
Routing Cables Using the CMA
Power Cord Connection
Grounding Checks
SAS Cable Connections
Chapter 5. Operation
Powering On/Powering off
Unit Identification Number
Chapter 6. Troubleshooting and Problem Solving
Overview
Initial Start-Up Problems
Leds
Drive Carrier Module LED
PSU LED Status
Temperature Sensors
Enclosure System
Expansion Module LED States
PSU and System Fan Faults
Thermal Monitoring and Control
Thermal Alarm
Fault Isolation Methodology
Host I/O
Dealing with Hardware Faults
Continuous Operation During Replacement
Firmware
Crus for IBM COS Medium / Large Disk Enclosure
Chapter 7. Module Removal and Installation
Overview
ESD Precautions
Replacing a PSU Module
Removing a PSU Module
Installing a PSU Module
Replacing a System Fan Module
Removing a System Fan Module
Installing a System Fan Module
Removing a System Fan (1 of 2)
Removing a System Fan (2 of 2)
Replacing a Controller Fan Module
Removing a Controller Fan Module
Installing a Controller Fan Module
Removing a Controller Fan (1 of 2)
Removing a Controller Fan (2 of 2)
Replacing an HS Expander Module
Removing an HS Expander Module
Removing an HS Expander (1 of 2)
Installing an HS Expander Module
Replacing a Drive Carrier Module
Removing an HS Expander (2 of 2)
Removing a Drive Carrier Module
Removing a Disk Drive Module (1 of 2)
Removing a Disk Drive Module (2 of 2)
Installing a Drive Carrier Module
Drive Carrier Module in Open Position
Installing a Drive Carrier Module (1 of 2)
Replacing an IOM
Installing a Drive Carrier Module (2 of 2)
Removing the IOM
Installing the IOM
Removing the IOM (1 of 2)
Removing the IOM (2 of 2)
Verifying Component Operation
Chapter 8. Technical Specifications
Chapter 9. Enclosure Packaging
Unpacking the Enclosure: 3-Piece Box with Packing - Assembly View
Unpacking the Enclosure: 3-Piece Box with Packing - Master Container
Notices
Trademarks
Homologation Statement
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Quick Links
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Physical
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Enclosure Chassis
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IBM Cloud Object Storage System
Version 3.14.13
Medium/Large J11/J12 Disk Enclosure
Hardware Installation and Maintenance
Manual
4957-J11/4958-J11, 4957-J12/4958-
J12
IBM
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This manual is also suitable for:
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