Confirming physical disks failures using sautil...........................................................................103
Compromised fault tolerance..................................................................................................104
Recovering from fault tolerance failures...............................................................................104
Physical disk replacement......................................................................................................105
Factors to consider before replacing physical disks...............................................................105
Automatic data recovery (rebuild)...........................................................................................106
Time required for a rebuild................................................................................................106
Abnormal termination of a rebuild..........................................................................................107
Case 1: an uncorrectable read error has occurred................................................................107
Case 2: the replacement disk has failed..............................................................................107
Case 3: another disk in the array has failed........................................................................107
B Logical drive failure probability................................................................109
RAID level and probability of drive failure................................................................................109
C Power-on Self Test (POST) error codes........................................................111
POST error codes.................................................................................................................111
D Electrostatic discharge............................................................................116
Handling parts.....................................................................................................................116
Grounding...........................................................................................................................116
E Cable kits..............................................................................................117
F Controller specifications...........................................................................118
G Regulatory compliance notices................................................................122
Federal Communications Commission notice............................................................................122
Declaration of conformity for products marked with the FCC logo, United States only....................122
Modifications.......................................................................................................................123
Cables................................................................................................................................123
Canadian notice..................................................................................................................123
European Union regulatory notice...........................................................................................123
BSMI notice.........................................................................................................................124
Chinese notice.....................................................................................................................124
Japanese Class A notice........................................................................................................124
Korean notice.......................................................................................................................124
Battery replacement notice.....................................................................................................125
Taiwan battery recycling notice..............................................................................................125
H Frequently asked questions......................................................................126
I Acronyms used in this document................................................................128
Glossary..................................................................................................129
Contents 5
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