HP ProLiant DL380p Configuring Arrays on HP Smart Array Controllers Reference - Page 4

HP Array Diagnostics and SmartSSD Wear Gauge Utility, Drive arrays and fault-tolerance methods

Page 4 highlights

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 Contents 4

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128

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