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CHAPTER 3: CONTROLLER MONITORING ................................................................................... 3-1
3.1. C
ONTROLLER MONITORING OVERVIEW ....................................................................................... 3-1
3.2. STATUS-INDICATING LEDS .......................................................................................................... 3-2
3.3. AUDIBLE ALARM ......................................................................................................................... 3-3
3.3.1 Default Threshold Values.................................................................................................... 3-3
3.4. I
2
C P
ORT (ENCLOSURE MONITORING)......................................................................................... 3-3
CHAPTER 4: CONTROLLER CONNECTIONS AND OPERATION............................................... 4-1
4.1. S
ENTINELRAID CONNECTION ..................................................................................................... 4-1
4.1.1 I/O Channel Configuration..................................................................................................4-1
4.1.2 SCSI Cables......................................................................................................................... 4-1
4.1.3 Host Connection.................................................................................................................. 4-1
4.1.4 Drive Connection................................................................................................................. 4-2
4.1.5 SCSI Termination ................................................................................................................ 4-2
4.1.6 Unique IDs .......................................................................................................................... 4-2
4.2. SR 170 T
OPOLOGIES.................................................................................................................... 4-2
4.2.1 Single Host Computer.......................................................................................................... 4-2
4.2.2 Dual Host Connection......................................................................................................... 4-4
4.2.3 Expansion............................................................................................................................ 4-5
4.3. C
ONTROLLER INTEGRATION......................................................................................................... 4-5
4.4. O
THER CONNECTIONS.................................................................................................................. 4-6
4.4.1 Power Connection ............................................................................................................... 4-6
4.4.2 Connecting RS-232C Terminal Emulation.......................................................................... 4-6
4.5. P
OWER ON ................................................................................................................................... 4-7
4.5.1 Check List............................................................................................................................ 4-7
4.5.2 Power On Sequence............................................................................................................. 4-8
4.5.3 LCD Screen ......................................................................................................................... 4-8
4.6. P
OWER OFF PROCEDURE.............................................................................................................. 4-9
CHAPTER 5: CONTROLLER MAINTENANCE ................................................................................ 5-1
5.1. C
ONTROLLER MAINTENANCE OVERVIEW .................................................................................... 5-1
5.1.1 About Controller Maintenance............................................................................................ 5-1
5.1.2 User Serviceable Components............................................................................................. 5-1
5.1.3 Controller Maintenance Considerations............................................................................. 5-1
5.2. R
EPLACING A FAILED DIMM MODULE ........................................................................................ 5-2
5.2.1 When should a DIMM module be replaced? ....................................................................... 5-2
5.2.2 DIMM Module Replacement Procedure.............................................................................. 5-2
5.3. R
EPLACING A FAILED OPTIONAL BBU MODULE ......................................................................... 5-4
5.3.1 About BBU Maintenance..................................................................................................... 5-4
5.3.2 BBU Battery Pack Replacement.......................................................................................... 5-4
5.3.3 BBU Charger Board Replacement ...................................................................................... 5-6
5.4. D
AUGHTER BOARD MAINTENANCE.............................................................................................. 5-6
5.4.1 About Daughter Board Maintenance................................................................................... 5-6
5.4.2 Replacing a Daughter Board............................................................................................... 5-6
APPENDIX A: SENTINELRAID FEATURES..................................................................................... A-1
A.1. O
VERVIEW .................................................................................................................................. A-1
A.2. C
ONTROLLER FEATURES ............................................................................................................. A-1
A.2.1 SCSI-320 I/O Channels .......................................................................................................A-1
A.2.2 Flexible Configuration ........................................................................................................A-1
A.2.3 Expansion............................................................................................................................A-1
A.2.4 User-friendly Configuration Utilities ..................................................................................A-1
A.2.5 Controller Architecture .......................................................................................................A-2
A.3. F
AULT TOLERANCE..................................................................................................................... A-2
A.3.1 Global and Local Spares.....................................................................................................A-2
A.3.2 Hot-swapping of Drives.......................................................................................................A-2
A.3.3 S.M.A.R.T. Support..............................................................................................................A-2
A.3.4 Other Fault Tolerant Features ............................................................................................A-2
A.4. F
UNCTIONAL FEATURES.............................................................................................................. A-3