Contents 4
Opening the CLI in Command mode
..................................................................................................
52
CLI syntax
........................................................................................................................................
52
Typical procedures
...........................................................................................................................
57
Using ACU scripting
...................................................................................................................................
73
Capturing a configuration
.................................................................................................................
73
Using an Input script
.........................................................................................................................
73
Creating an ACU script file
...............................................................................................................
74
Script file options
.............................................................................................................................
75
XML support
....................................................................................................................................
88
ACU scripting warning messages
......................................................................................................
91
ACU scripting error messages
...........................................................................................................
91
HP Array Diagnostics and SmartSSD Wear Gauge Utility
................................................................
96
About the utility
..........................................................................................................................................
96
Reported information
..................................................................................................................................
96
Installing the utility
......................................................................................................................................
98
Setting up ADU Remote Service Mode
..........................................................................................................
99
Launching the utility in CLI mode
..................................................................................................................
99
Launching the utility in GUI mode
.................................................................................................................
99
Diagnostic report procedures
.....................................................................................................................
100
Viewing the diagnostic report
..........................................................................................................
100
Generating the diagnostic report
.....................................................................................................
102
Identifying and viewing diagnostic report files
...................................................................................
103
SmartSSD Wear Gauge report procedures
.................................................................................................
103
Viewing the SmartSSD Wear Gauge report
......................................................................................
103
Generating the SmartSSD Wear Gauge report
..................................................................................
104
Identifying and viewing SmartSSD Wear Gauge report files
...............................................................
105
Drive arrays and fault-tolerance methods
.....................................................................................
106
Drive arrays
.............................................................................................................................................
106
Effects of a drive failure
............................................................................................................................
108
Fault-tolerance methods
.............................................................................................................................
109
RAID 0—No fault tolerance
.............................................................................................................
109
RAID 1 and RAID 1+0 (RAID 10)
.....................................................................................................
110
RAID 1 (ADM) and RAID 10 (ADM)
.................................................................................................
111
RAID 5—distributed data guarding
..................................................................................................
113
RAID 6 (ADG)—Advanced Data Guarding
.......................................................................................
113
RAID 50
........................................................................................................................................
115
RAID 60
........................................................................................................................................
116
Comparing the hardware-based RAID methods
.................................................................................
116
Selecting a RAID method
.................................................................................................................
117
Alternative fault-tolerance methods
...................................................................................................
117
Diagnosing array problems
........................................................................................................
119
Diagnostic tools
.......................................................................................................................................
119
Troubleshooting resources
.........................................................................................................................
119
Acronyms and abbreviations
......................................................................................................
121
Documentation feedback
...........................................................................................................
123
Index
.......................................................................................................................................
124