Galaxy GHDX4 RAID iSCSI-SAS/SATA InstaHardware Reference Manual
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Hard Drive Installation ............................................................................................. 38
Hard Drive Installation Prerequisites ................................................................................ 38
Drive Installation ............................................................................................................... 39
Drive Tray Installation ....................................................................................................... 40
Chapter 3 Subsystem Monitoring ............................................................... 43
Overview .................................................................................................................. 43
Status-indicating LEDs ............................................................................................ 44
LCD Keypad Panel ........................................................................................................... 44
Drive Tray LEDs ............................................................................................................... 45
Controller Module LEDs ................................................................................................... 46
How to Use the Restore Default Button? .......................................................................... 48
Why restore defaults? ...................................................................................................... 48
Ethernet Port LEDs .......................................................................................................... 49
PSU LEDs ........................................................................................................................ 51
Cooling Module LEDs ....................................................................................................... 51
Audible Alarm .......................................................................................................... 52
Failed Devices .................................................................................................................. 53
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C .................................................................................................................................... 53
Chapter 4 Subsystem Connection and Operation ..................................... 54
Connection Overview .............................................................................................. 54
Cabling ............................................................................................................................. 54
Network Topologies .......................................................................................................... 55
Points of Failure ............................................................................................................... 55
Host Connection Topologies ............................................................................................ 55
Sample Topology – Single-controller with Fault-tolerant Paths ........................................ 58
Sample Topology – Single-Controller with Trunks ............................................................ 59
Sample Topology – High Availability IP SAN with Redundant RAID Controllers .............. 60
iSCSI Topology and Host LUN Mapping: ......................................................................... 62
Expansion Links ...................................................................................................... 63
Single-controller RAID to single-controller JBOD ............................................................. 63
Dual-controller RAID to dual-controller JBOD. ................................................................. 64
Enclosure ID and Other Concerns .................................................................................... 65
Powering On ............................................................................................................ 66
Check List ......................................................................................................................... 67
Power-On Procedure ........................................................................................................ 67
Power-On Enclosure ........................................................................................................ 68
Power-On Status Check ................................................................................................... 68
Power Off Procedure ............................................................................................... 69
Chapter 5 Subsystem Maintenance and Upgrading ............................... 70
Overview .................................................................................................................. 70
Maintenance ..................................................................................................................... 70
General Notes on Component Replacement .................................................................... 70
Replacing a Controller Module ................................................................................ 72
Overview .......................................................................................................................... 72
Notes on Controller Maintenance ..................................................................................... 72
Removing the Controller Module ...................................................................................... 72
Replacing the Controller Module ...................................................................................... 74
Replacing or Upgrading Memory Modules .............................................................. 75
Memory Module Installation Overview .............................................................................. 75
Selecting Memory Modules .............................................................................................. 75
DIMM Module Installation ................................................................................................. 76
Replacing a Faulty BBU .......................................................................................... 77
Fault Conditions: .............................................................................................................. 77
BBU Warnings and Precautions ....................................................................................... 77
Replacing a Faulty BBU ................................................................................................... 78
Replacing a Faulty Flash Backup Module (FBM) ............................................................. 79
Replacing a Faulty PSU .......................................................................................... 80
Notes on PSU Module Maintenance ................................................................................ 80
Replacing the PSU Module .............................................................................................. 81
