One single-controller DS3300 and one or more storage expansion
enclosures........................28
One dual-controller DS3300 and one storage expansion enclosure ....29
One dual-controller DS3300 and two storage expansion enclosures . . . 29
One dual-controller DS3300 and three storage expansion enclosures . . . 30
Adding a storage expansion enclosure to a dual-controller configuration that
is running .........................30
Upgrading a single-controller to a dual-controller when there is no attached
EXP3000 enclosure ......................32
Upgrading a single-controller to a dual-controller when there is one or more
EXP3000 enclosures attached to the storage subsystem.........32
Connecting secondary interface cables ................32
Configuring the storage subsystem .................34
Storage subsystem management methods..............34
Host-agent (in-band) management method.............35
Direct (out-of-band) management method .............35
Installing the storage subsystem configuration ............36
Connecting hosts to the DS3300 .................36
DS3300 single-controller connections ..............37
DS3300 dual-controller configurations ..............40
Cabling the DS3300 power supplies .................41
Chapter 4. Operating the storage subsystem .............43
Performing the DS3000 Health Check process .............43
Hardware inspection .......................44
Turning on the storage subsystem ..................44
Installing the DS3000 Storage Manager Client .............46
Monitoring status through software .................47
Firmware updates .......................48
Troubleshooting the storage subsystem ...............48
Checking the LEDs .......................49
Power-supply LEDs ......................50
Front LEDs .........................51
Controller LEDs .......................52
Turning off the storage subsystem ..................54
Performing an emergency shutdown ................56
Restoring power after an unexpected shutdown ............56
Recovering from an overheated power supply .............57
Cache memory and cache battery ..................59
Cache memory ........................59
Controller cache battery ....................60
Controller battery age timer ...................61
Chapter 5. Replacing components .................63
Service action allowed LED ....................63
Removing a controller ......................63
Installing a controller .......................64
Replacing a controller ......................66
Working with hot-swap hard disk drives ................69
Removing a hard disk drive ...................70
Installing a hard disk drive....................71
Replacing a hot-swap hard disk drive ...............72
Replacing multiple drives ....................74
Replacing all drives at the same time ..............75
Replacing the drives one at a time................77
Replacing a power supply .....................79
iv System Storage DS3300 Storage Subsystem: Installation, User’s, and Maintenance Guide
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