IBM DS3500

Enclosure ID settings .....................25
Working with SAS cables ....................25
Working with SFP modules and fiber optic cables ...........27
Handling fiber optic cables ..................27
Installing SFP modules ....................28
Removing SFP modules ...................30
Using LC-LC Fibre Channel cables ...............31
Using LC-SC Fibre Channel cable adapters ............34
Cabling the EXP3500 expansion enclosure .............37
ESM connectors ......................37
Single-ESM configuration ...................37
Dual-ESM configuration....................38
Connecting expansion enclosures to the DS3500 ...........40
Redundant drive channel pair .................40
Overview of steps to connect expansion enclosures to a storage
subsystem........................41
DS3500 storage subsystem drive cabling topologies .........42
Adding an expansion enclosure to a running dual-controller configuration 44
Upgrading a single-controller to a dual-controller when there is no attached
EXP3500 enclosure .....................46
Upgrading a single-controller to a dual-controller when there is one or more
EXP3500 enclosures attached to the storage subsystem........46
Connecting secondary interface cables ...............46
Configuring the storage subsystem ................47
Storage subsystem management methods.............47
Installing the storage subsystem configuration ...........49
Connecting SAS hosts to the DS3500 ..............49
Connecting Fibre Channel hosts to the DS3500 ...........53
Connecting iSCSI hosts to the DS3500 ..............59
Overview of installing an IBM BladeCenter configuration to connect to a
DS3500..........................64
Installing the BladeCenter configuration ..............64
Connecting BladeCenter hosts to the DS3500 ...........64
Cabling the DS3500 and EXP3500 power supplies ...........65
Chapter 4. Operating the storage subsystem and expansion enclosure 67
Performing the health check process .................67
Hardware inspection .......................68
Turning on the storage subsystem ..................68
Installing the DS Storage Manager Client ...............70
Monitoring status through software .................71
Firmware updates .......................72
Troubleshooting the storage subsystem ...............72
Checking the LEDs .......................73
Power-supply LEDs ......................73
Front LEDs .........................74
Controller LEDs .......................75
Seven-segment numeric display LEDs ...............78
ESM LEDs .........................80
Turning off the storage subsystem ..................81
Performing an emergency shutdown ................83
Restoring power after an unexpected shutdown ............83
Recovering from an overheated power supply .............84
Cache memory and cache battery ..................86
Cache memory ........................86
Controller cache battery ....................87
iv System Storage DS3500 and EXP3500: Installation, User’s, and Maintenance Guide