Chapter 13. AIX Bare-Metal Recovery
This chapter explains the procedure you would use to recover your IBM AIX operating system disk in case of a complete system failure—when you are left with nothing but bare metal.
This chapter was contributed by Mark Perino of Hitachi Data Systems. Mark tackles performance, AIX, Linux, and NAS problems when he’s not writing, hiking, or snowshoeing in Yosemite with his wife, Marissa, and kids, Steven and River.
IBM was the first Unix
vendor to deliver a true bare-metal recovery tool. The
command makes a complete “bootable” backup of the root volume
rootvg) only. This allows you to perform a
bare-metal recovery of an AIX host’s operating system. You can even back up using
mksysb to a bootable tape, CD/DVD, or a Network Install Manager
Unix Backup & Recovery mentioned using
Sysback to make volume group backups. The
utility has been incorporated into some commercial products
from IBM and other vendors with the release of AIX 5.X. This book’s primary focus is on free
methods to back up and restore, so we will not be covering
IBM’s mksysb and savevg Utilities
The basis for a bare-metal recovery of an AIX system is the
utility, which is included in AIX. It backs up all the
files in the root volume group.
mksysb backs up the
Base operating system (BOS)
System and configuration files in the
Additional software installed in the
It also backs up: