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5.2 Changing the Date and Time .................................................................................................... 43
5.3 Understanding LUNs and Viewing LUN Information ................................................................. 43
5.3.1 Viewing LUN Information .................................................................................................. 44
5.4 Changing Management LUNs ................................................................................................... 44
5.5 Changing the Alarm Mute Setting ............................................................................................. 44
5.6 Controlling Host Access to the Galaxy 65’s Write-back Cache Setting ..................................... 45
5.7 Enabling and Disabling the Battery ...........................................................................................46
5.8 Changing the Utility Priority ....................................................................................................... 46
5.9 Rescanning All Ports ................................................................................................................. 47
5.10 Pausing I/O ................................................................................................................................ 47
5.11 Saving and Restoring a Configuration File ................................................................................ 48
5.11.1 Saving a Configuration File .............................................................................................. 48
5.11.2 Restoring a Configuration File .......................................................................................... 48
5.12 Viewing and Restoring Default Settings .................................................................................... 50
5.12.1 Viewing Default Settings ..................................................................................................50
5.12.2 Restoring Default Settings ................................................................................................50
5.13 Updating Software .................................................................................................................... 51
6 Managing Disk Drives & Enclosures ........................................................................................... 53
6.1 Managing Disk Drives ............................................................................................................... 53
6.1.1 Displaying Disk Drive Information .................................................................................... 53
6.1.2 Clearing Metadata from a Disk Drive ............................................................................... 54
6.1.3 Enabling and Disabling Write-back Cache ....................................................................... 55
6.1.4 Displaying Disk Drive Cache Status ................................................................................. 55
6.1.5 Enabling and Disabling SMART Changes ........................................................................ 55
6.1.6 Blinking a Drive LED ........................................................................................................ 56
6.1.7 Taking Down a Disk Drive ................................................................................................ 56
6.1.8 Testing a Disk Drive ......................................................................................................... 57
6.2 Managing Enclosures ................................................................................................................ 57
6.2.1 Setting the EMP LUN ....................................................................................................... 57
6.2.2 Changing the Additional EMP Setting ............................................................................. 58
7 Troubleshooting and Problem Solving ....................................................................................... 59
7.1 Overview ................................................................................................................................... 59
7.1.1 Initial Start-up Problems ................................................................................................... 59
7.2 LEDs .......................................................................................................................................... 60
7.2.1 Power Supply/Cooling Module ......................................................................................... 60
7.2.2 Ops Panel ......................................................................................................................... 60
7.3 Audible Alarm ............................................................................................................................ 61
7.3.1 Audible Alarm Mute .......................................................................................................... 61
7.4 Troubleshooting ......................................................................................................................... 62
7.4.1 System Faults ................................................................................................................... 63
7.4.2 Power Supply/Cooling Faults ........................................................................................... 63
7.4.3 Thermal Control ................................................................................................................ 64
7.4.4 Thermal Alarm .................................................................................................................. 65
7.5 Drive Carrier Module Faults ...................................................................................................... 65
7.5.1 Dummy Carrier Modules ................................................................................................. 65
7.5.2 Auto Start Failure ............................................................................................................. 66
7.6 Dealing with Hardware Faults ................................................................................................... 66
7.7 Continuous Operation During Replacement .............................................................................. 66
7.8 Problems Accessing the Galaxy 65 Subsystem Using the Ethernet Port ................................. 66