Reinstall from a system backup, Cloning systems, Automatic installation of device support software – Storix Software SBAdmin AIX System Recovery Guide User Manual

Page 27: No-prompt installation, Reinstall a system from, A backup

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5. Reinstall from a System Backup

A

System Backup

may be used to reinstall either the original system or a different system with either the same

or different hardware configuration. To initiate the installation, you must first boot the client from either a
network boot server or from the local tape using the instructions found in the section

Booting to the System

Installation Process

.

To setup a client system to be installed from a System Backup on a network install server, you must first
configure it using the process described in the section

Enable/Disable Network Installation of a Client

.

If the System backup was written to tape, you may also boot and install from the tape if the tape drive is directly
attached to the client.

If booting from a tape directly attached to the client, some configuration steps, such
as automatic reconfiguration of the client network parameters and SP node
customization will not occur. It is normally recommended that a client be installed
from an

install server

whenever possible. In that case, the network will be

reconfigured according to the network settings used for the installation.

Cloning Systems

"Cloning" a system means to install a system from a backup originating on another system. The system from
which the backup was made may be identical or completely different than the system you are installing.

If the system to be installed is identical in hardware type and configuration to the one the backup was made
from, the installation may be performed with no customization required. However, if the systems differ, there
may be changes required. For instance, if the disk configuration on which the volume groups were placed is not
available on the new system, messages will be displayed that the original disks are not available and you must
select new physical volumes into which the volume groups will be placed. See

Change Volume Group and

Logical Volume Information

below.

Automatic Installation of Device Support Software

If the backup does not contain the system device software required to support the devices on the new
system, the device support for the new system must be made available or the devices will not be configured
on the new system. This may be done automatically by simply inserting an

AIX Installation CD-ROM

into

the CD-ROM drive at any time prior to or during the installation. Upon restoration of the base operating
system from the backup, the system will be checked to see if all required device support is installed and, if
not, the device support will be automatically installed from the AIX CD-ROM!

No-prompt Installation

If the system is set to

no-prompt installation

, the

Installation and Maintenance Menu

will not appear (as

described in the following section), but the installation will proceed without any input from the user.

The exception is when the backup is encrypted. In this case, you will be required to enter the encryption key in
order to decrypt the data during the restore. There is no way to automate the process to prevent entering the
encryption keys. Refer to

Installing from an Encrypted Backup

for details on installing from an encrypted

backup.

If your boot media was created for a no-prompt installation, a banner will display as follows:

Storix System Backup Administrator

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Version 8.2 AIX System Recovery Guide

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