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Writer: Rickard Project: Compaq Smart Array 3200 Controller Reference Guide Comments: 340862-002
File Name: A-FRNT.DOC Last Saved On: 12/7/98 1:56 PM
COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED
Understanding Drive Arrays
continued
Other Fault-Management Features ........................................................................................ E-22
Auto-Reliability Monitoring........................................................................................... E-23
Dynamic-Sector Repairing ............................................................................................. E-23
Drive-Parameter Tracking.............................................................................................. E-23
Drive-Failure Alert Features........................................................................................... E-23
Interim Data Recovery ................................................................................................... E-24
Automatic Data Recovery .............................................................................................. E-24
Hot Pluggable Drives ..................................................................................................... E-25
Controller Duplexing...................................................................................................... E-27
Software-Based Drive Mirroring.................................................................................... E-28
Appendix F
Replacing the Array Accelerator
Removing the Array Accelerator..............................................................................................F-2
Installing the Array Accelerator ...............................................................................................F-3
Appendix G
Upgrading from the SMART-2 and SMART SCSI Array Controllers
Appendix H
Recovering from Drive Failure
Recognizing a Drive Failure....................................................................................................H-1
Fault Tolerance and Drive Failure...........................................................................................H-2
A Non-Fault-Tolerant (RAID 0) Logical Drive................................................................H-2
A RAID 1 (Mirroring) Logical Drive...............................................................................H-2
Spare Drives .....................................................................................................................H-3
Replacing a Failed Drive .........................................................................................................H-3
Automatic Data Recovery ................................................................................................H-4
Automatic Data Recovery Failure ....................................................................................H-5
Compromised Fault Tolerance.................................................................................................H-6