Veritas Volume Manager 5.0 Troubleshooting Guide Guide (September 2006)

Chapter
3
Recovery from boot disk
failure
Veritas Volume Manager (VxVM) protects systems from disk and other hardware failures
and helps you to recover from such events. This chapter describes recovery procedures
and provides information that help to prevent loss of data or system access due to the
failure of the boot (root) disk.
For information about recovering volumes and their data on non-boot disks, see
Recovery from hardware failure” on page 9.
Note: For additional information, see the HP documentation Web Site at http://
docs.hp.com. Click on Search This Site, search for Ignite-UX Administration Guide, and
select the link to the appropriate 11i version. For information on actions to recover your
system, select the section “System Recovery.” Pay particular attention to the information
contained in the subsection “Expert Recovery Using the Core Media.”
Recovery by booting from a VxVM root disk mirror
If a failed primary boot disk is under VxVM control and is mirrored, follow these steps to
replace it:
1 Replace the failed boot disk. Depending on the system hardware, this may require
you to shut down and power off the system.
2 Boot the system from a mirror of the root disk, and use the
vxrootmir command to
initialize and mirror the volumes on the new root disk:
# /etc/vx/bin/vxrootmir -v -b new_root_disk_access_name
The -b option sets the newly mirrored disk as the alternate boot disk in the NVRAM.
The -v option gives progress indications as each volume is being mirrored.