
4 HP Smart Array 6i Controller User Guide
Diagnosing Array Problems 35
Diagnostic Tools ................................................................................................................................35
Probability of Logical Drive Failure 37
Factors Involved in Logical Drive Failure .........................................................................................37
Probability of Logical Drive Failure vs. Number of Drives in Array.....................................38
Drive Arrays and Fault-Tolerance Methods 39
Drive Arrays.......................................................................................................................................39
Fault-Tolerance Methods...................................................................................................................42
Hardware-Based Fault-Tolerance Methods ............................................................................42
Alternative Fault-Tolerance Methods.....................................................................................48
Electrostatic Discharge 51
Preventing Electrostatic Discharge ....................................................................................................51
Grounding Methods to Prevent Electrostatic Discharge ....................................................................52
Acronyms and Abbreviations 53
Index 55
HP CONFIDENTIAL
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