Recovery from AIX operating system failure

Unixskylab

Recover from AIX OS failure:
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Recover from OS failure.

Contents:
1. How to view the bootlist:
2. How to change the bootlist:
3. How to make a device bootable:
4. How to make a backup of the OS:
5. Shutdown a pSeries AIX system in the most secure way:
6. How to restore specific files from a mksysb tape:
7. Recovery of rootvg

1. How to view the bootlist:

At boottime, once the POST is completed, the system will search the boot list for a
bootable image. The system will attempt to boot from the first entry in the bootlist.
Its always a good idea to see what the OS thinks are the bootable devices and the order of what the OS
thinks it should use. Use the bootlist command to view the order:

# bootlist -m normal -o

As the first item returned, you will see hdisk0, the…

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