Capturing a configuration
.................................................................................................................
74
Using an Input script
.........................................................................................................................
74
Creating an ACU script file
...............................................................................................................
75
Script file options
.............................................................................................................................
76
ACU scripting warning messages
......................................................................................................
86
ACU scripting error messages
...........................................................................................................
87
Probability of logical drive failure
.................................................................................................
92
Factors involved in logical drive failure
.........................................................................................................
92
Relative probability of failure for different logical drives
.......................................................................
93
Drive arrays and fault-tolerance methods
.......................................................................................
94
Drive arrays
...............................................................................................................................................
94
Fault-tolerance methods
...............................................................................................................................
96
RAID 0—No fault tolerance
...............................................................................................................
97
RAID 1+0 (RAID 10)
.........................................................................................................................
98
RAID 5—distributed data guarding
....................................................................................................
99
RAID 6 (ADG)—Advanced Data Guarding
.......................................................................................
100
RAID 50
........................................................................................................................................
101
RAID 60
........................................................................................................................................
102
Comparing the hardware-based RAID methods
.................................................................................
102
Selecting a RAID method
.................................................................................................................
103
Alternative fault-tolerance methods
...................................................................................................
103
Diagnosing array problems
........................................................................................................
105
Diagnostic tools
.......................................................................................................................................
105
Troubleshooting resources
.........................................................................................................................
105
Acronyms and abbreviations
......................................................................................................
107
Index
.......................................................................................................................................
109