VERITAS Volume Manager 3.1 Administrator's Guide

Recovery
Introduction
Chapter 8334
Introduction
The VERITAS Volume Manager protects systems from disk failures and
helps you to recover from disk failures. This chapter describes recovery
procedures and information to help you prevent loss of data or system
access due to disk failures. It also describes possible plex and volume
states.
The following topics are covered in this chapter:
• “Reattaching Disks”
• “VxVM Boot Disk Recovery”
• “Reinstallation Recovery”
• “Detecting and Replacing Failed Disks”
• “Plex and Volume States”
• “RAID-5 Volume Layout”
• “Creating RAID-5 Volumes”
• “Initializing RAID-5 Volumes”
• “Failures and RAID-5 Volumes”
• “RAID-5 Recovery”
• “Miscellaneous RAID-5 Operations”
NOTE Rootability or bringing the root disk under the VxVM control is not
supported on HP-UX 11i systems, but it is supported on HP-UX 11i
Version 1.5 systems.