Table of Contents
Front Panel .........................................................................................................................123
LCD Keypad for RAID Models.............................................................................................. 123
LCD Panel LED Definitions .................................................................................................. 124
LED Panel for JBOD Models................................................................................................ 125
Drive Tray LED..................................................................................................................... 127
Controller LED....................................................................................................................128
Controller LED for RAID Models .......................................................................................... 128
Controller LED for JBOD Models ......................................................................................... 130
Ethernet Management Port LED for RAID Models ............................................................... 131
iSCSI Host Port LED ............................................................................................................132
Hybrid iSCSI Ports ...............................................................................................................132
10Gb iSCSI Host Port LED .................................................................................................. 133
Fibre-Host Port LED for FC RAID Models............................................................................ 134
SAS-Host Port LED for SAS RAID Models .......................................................................... 135
PSU / Cooling Module LEDs..............................................................................................136
2UL-Gxxxx Model and 4U RAID Power Supply LED............................................................ 137
2UL-Gxxxx Model RAID System Cooling Module LED ........................................................ 138
4U RAID System Cooling Module LED ................................................................................ 138
Alarms and I2C Bus ...........................................................................................................139
Audible Alarms .....................................................................................................................139
I
2
C ........................................................................................................................................ 139
Restoring Default System Settings ..................................................................................140
Restoring Default Settings ................................................................................................... 140
System Maintenance
Replacing the Controller Module(s): Single / Dual / Simultaneous Upgrade ................143
Replacing the Memory Module on RAID Systems...........................................................147
Replacing the CBM for RAID Models................................................................................149
BBU Fault Conditions and Precautions ................................................................................ 150
Replacing the BBU............................................................................................................... 151
Replacing the FBM............................................................................................................... 152
Replacing the Power Supply Module / Cooling Module..................................................153
Detecting a Failed PSU........................................................................................................ 153
Replacing the Power Supply Unit......................................................................................... 154
Replacing 2UL-Gxxxx Model PSU ....................................................................................... 156
Replacing 4U RAID System PSU......................................................................................... 158
Replacing a Cooling Module.............................................................................................160
Replacing 2UL-Gxxxx RAID System Cooling Module .......................................................... 161
Replacing 4U RAID Systems Cooling Module......................................................................162
Replacing a Hard Drive......................................................................................................163
Replacing the Enclosure ...................................................................................................166
Differential Diagnosis to Determine Backplane Failure ........................................................ 167
Enclosure Replacement Must Knows................................................................................... 168
Enclosure Replacement Procedure...................................................................................... 169
Appendix
Technical Specifications....................................................................................................171
Host/Drive Interface ............................................................................................................. 171
RAID Configurations for RAID Models ................................................................................. 172
Fault Tolerance for RAID models ......................................................................................... 173
Power Supply.......................................................................................................................174
Dimensions .......................................................................................................................... 175
Environment .........................................................................................................................176
Pin-out.................................................................................................................................177
4 / 8 / 16Gbps Fibre Channel and 10Gbps iSCSI Host Port Pin-out .................................... 178
SAS Host Port Pin-out..........................................................................................................180
GbE iSCSI Host Port Pin-out................................................................................................ 181
DB-9 Serial Port & Cable ..................................................................................................... 182
Ethernet Management Port .................................................................................................. 183
SAS (SFF-8088) Expansion Port Pin-out ............................................................................. 184
STP Ethernet Cable (Optional Accessory: Fibre-Host RAID Models)................................... 185
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