Contents vii
Integrated Mirror Volumes (RAID 1) 65
Hardware RAID Operations 66
Slot Numbers and Device Names for Non-RAID Disks 67
▼ To Create a Mirrored Volume 67
▼ To Create a Mirrored Volume of the Default Boot Device 70
▼ To Create a Striped Volume 71
▼ To Configure and Label a RAID Volume 73
▼ To Delete a RAID Volume 76
▼ To Perform a Mirrored Disk Hot-Swap Operation 78
▼ To Perform a Nonmirrored Disk Hot-Swap Operation 79
A. Watchdog Timer Application Mode 85
Understanding the Watchdog Timer Application Mode 85
Watchdog Timer Limitations 86
Using the ntwdt Driver 88
Understanding the User API 88
Using the Watchdog Timer 89
Setting the Timeout Period 89
Enabling or Disabling the Watchdog 89
Rearming the Watchdog 90
Getting the State of the Watchdog Timer 90
Finding and Defining Data Structures 90
Example Watchdog Program 91
Programming Alarm3 92
Watchdog Timer Error Messages 94
B. Alarm Relay Output Application Programming Interface 95
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