January 2007
Intermediate to advanced
760 pages
25h 14m
English
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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.
Tip
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 mksysb
command makes a complete “bootable” backup of the root volume
group (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
(NIM) server.
Unix Backup & Recovery mentioned using Sysback to make volume group backups. The Sysback
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 Sysback.
IBM’s mksysb and savevg Utilities
The basis for a bare-metal recovery of an AIX system is the mksysb
utility, which is included in AIX. It backs up all the
files in the root volume group.
mksysb backs up the rootvg, including:
Boot files
Base operating system (BOS)
System and configuration files in the
rootvgAdditional software installed in the
rootvg
It also backs up:
rootvgvolume ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.