Quantum QX Series, Setup Manual

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Contents
QX and QXS Setup Guide vii
Chapter 5: Troubleshooting 127
Troubleshooting Overview 127
USB CLI Port Connection 128
Fault Isolation Methodology 128
Basic Steps 128
Options Available For Performing Basic Steps 129
Performing Basic Steps 130
If the Chassis Does Not Initialize 131
Correcting Chassis IDs 131
Stopping I/O 132
Diagnostic Steps 133
Transporting Cache 138
Isolate a Host-side CNC Connection Fault 138
Host-side Connection Troubleshooting Featuring CNC Ports 139
Isolate a Host-side SAS Connection Fault 140
Host-side Connection Troubleshooting Featuring SAS Host Ports 140
Isolate a Controller Module Expansion Port Connection Fault 141
Isolate Replication Faults 143
Cabling for Replication 143
Replication setup and verification 143
Diagnostic Steps for Replication Setup 144
Resolve Voltage and Temperature Warnings 153
Sensor Locations 154
Power Supply Sensors 154
Cooling Fan Sensors 154
Temperature Sensors 155
Power Supply Voltage Sensors 156