Compaq Smart Array 221 User Manual page 7

Understanding Drive Arrays continued
Hot-Pluggable Drives ..................................................................................................... C-18
Controller Duplexing...................................................................................................... C-21
Software-Based Drive Mirroring.................................................................................... C-22
Appendix D
Upgrading from the SMART-2SL Array Controller
Appendix E
Recovering from Drive Failure
Recognizing a Drive Failure.................................................................................................... E-1
Fault Tolerance and Drive Failure ........................................................................................... E-2
A Non-Fault-Tolerant (RAID 0) Logical Drive................................................................ E-2
A RAID 1 (Mirroring) Logical Drive............................................................................... E-2
A RAID 5 (Distributed Data Guarding) Logical Drive .................................................... E-3
Spare Drives ..................................................................................................................... E-3
Replacing a Failed Drive ......................................................................................................... E-4
Automatic Data Recovery ................................................................................................ E-5
Automatic Data Recovery Failure .................................................................................... E-5
Compromised Fault Tolerance................................................................................................. E-6
Appendix F
POST Error Messages
Appendix G
Questions and Answers About the Smart Array 221 Controller
Appendix H
Regulatory Compliance Notices
Federal Communications Commission Notice.........................................................................H-1
Class A Equipment...........................................................................................................H-1
Class B Equipment ...........................................................................................................H-2
Modifications....................................................................................................................H-3
Cables...............................................................................................................................H-3
Canadian Notice (Avis Canadien) ...........................................................................................H-3
Class A Equipment...........................................................................................................H-3
Class B Equipment ...........................................................................................................H-3
Writer: Jocelyn Campitelli Project: Compaq Smart Array 221 Controller User Guide Comments: 388541-001
File Name: A-FRNT.DOC Last Saved On: 11/5/98 12:26 PM
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Compaq Smart Array 221 Controller User Guide
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