IBM System Storage DS3300 Installation, User's, And Maintenance Manual page 6

Upgrading a single-controller to a dual-controller when there is no attached
Upgrading a single-controller to a dual-controller when there is one or more
Connecting secondary interface cables . . . . . . . . . . . . . . . . 32
Configuring the storage subsystem . . . . . . . . . . . . . . . . . 34
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
Checking the LEDs . . . . . . . . . . . . . . . . . . . . . . . 49
Turning off the storage subsystem . . . . . . . . . . . . . . . . . . 54
Recovering from an overheated power supply . . . . . . . . . . . . . 57
Cache memory and cache battery . . . . . . . . . . . . . . . . . . 59
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
Replacing a power supply . . . . . . . . . . . . . . . . . . . . . 79
iv
System Storage DS3300 Storage Subsystem: Installation, User's, and Maintenance Guide
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
EXP3000 enclosure . . . . . . . . . . . . . . . . . . . . . . 32
EXP3000 enclosures attached to the storage subsystem. . . . . . . . . 32
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
DS3300 dual-controller configurations . . . . . . . . . . . . . . 40
Firmware updates . . . . . . . . . . . . . . . . . . . . . . . 48
Troubleshooting the storage subsystem . . . . . . . . . . . . . . . 48
Power-supply LEDs . . . . . . . . . . . . . . . . . . . . . . 50
Front LEDs . . . . . . . . . . . . . . . . . . . . . . . . . 51
Controller LEDs . . . . . . . . . . . . . . . . . . . . . . . 52
Performing an emergency shutdown . . . . . . . . . . . . . . . . 56
Restoring power after an unexpected shutdown . . . . . . . . . . . . 56
Cache memory . . . . . . . . . . . . . . . . . . . . . . . . 59
Controller cache battery
Controller battery age timer . . . . . . . . . . . . . . . . . . . 61
Removing a hard disk drive . . . . . . . . . . . . . . . . . . . 70
Installing a hard disk drive. . . . . . . . . . . . . . . . . . . . 71
Replacing a hot-swap hard disk drive
Replacing multiple drives . . . . . . . . . . . . . . . . . . . . 74
Replacing all drives at the same time
Replacing the drives one at a time. . . . . . . . . . . . . . . . 77
. . . . . . . . . . . . . . 37
. . . . . . . . . . . . . . . . . 47
. . . . . . . . . . . . . . . . . . . . 60
. . . . . . . . . . . . . . . 72
. . . . . . . . . . . . . . 75