This chapter provides an overview of the necessary steps to complete an installation of the AIX 5.1 Base Operating System (BOS).
There are three methods for installing the BOS:
Use this method to install AIX 5.1 on a new machine or to completely overwrite the BOS that exists on your system.
Use this method to replace an earlier version of the BOS but retain the root volume group, the user-created logical volumes, and the /home file system. It overwrites the /usr, var, tmp, and / (root) file systems. Product (application) files and configuration data are lost.
Use this method to upgrade from AIX 4.3 or earlier versions of the BOS to AIX 5.1. This method preserves all file systems except /tmp, including the root volume group, logical volumes, and system configuration files.
Note: The installation procedure contained in this chapter pertains only to a new or preservation installation. For migration instructions, refer to Migrating to AIX 5.1.
The BOS installation program first installs the run-time bos image, then installs the appropriate filesets, depending on whether you are installing from a graphical or an ASCII system. The installation program automatically installs required message filesets and devices filesets, according to the language you choose and the hardware configuration of the installed machine.
Use the following steps to install AIX 5.1 on a new machine, to completely overwrite the BOS on an existing machine, or to install AIX 5.1 while preserving the user structure of an existing BOS.
Beginning with AIX 5.1, software license agreements are shipped and displayed electronically, saving paper and allowing for electronic software distribution in the future. If a product has an electronic license agreement, it must be accepted before software installation can continue. In the case of initial BOS installation, you can view and accept or reject license agreements in a license agreement dialog after the installation has occured, but before they the system is available for use as part of Configuration Assistant (graphical consoles) or Installation Assistant (ASCII consoles).
If a customized bosinst.data file is used (usually for unattended installations), the ACCEPT_LICENSES field in the control_flow stanza can be used to accept the license agreements so users are not be prompted at reboot time. When performing a "push" install using NIM, the licenses must be accepted, either from the choices made when initializing the install or in a customized bosinst.data file, before the install can continue.
For additional software package installations, the installation cannot occur unless the appropriate license agreements are accepted. This option, as well as options to preview licenses, is offered in both installation interfaces. When using the installp command, use the -Y flag to accept licenses and the -E flag to view license agreement files on the media.
The Base Operating System (BOS) has a license agreement, but not all software packages do. When you agree to the license agreement for BOS installation, you are also accepting all license agreements for any software installed automatically with the BOS. Some software, such as GNOME or KDE desktops, can be optionally installed during BOS installation; the appropriate licensing information for such software is displayed separately.
For more information on license manipulation, refer to the inulag command description in the AIX 5L Version 5.1 Commands Reference.
Before starting the installation, complete the following prerequisites:
Prepare for a preservation or complete-overwrite installation by doing the following:
shutdown -F
Attention: You must not turn on the system unit until instructed to do so in Step 4. Booting from Your Installation Media.
Turning on the external devices first is necessary so the system unit can identify each peripheral device during the startup (boot) process.
If you are using a graphical terminal, skip directly to Step 4. Booting from Your Installation Media. If you are using an ASCII terminal, use the criteria listed below and your terminal reference documentation to set the communications, keyboard, and display options. The following settings are typical, but your terminal might have different option names and settings than those listed here.
Note: If your terminal is an IBM 3151, 3161, or 3164, press the Ctrl+Setup keys to display the Setup Menu and follow the onscreen instructions to set these options.
| Communication Options | |
|---|---|
| Option | Setting |
| Line Speed (baud rate) | 9600 |
| Word Length (bits per character) | 8 |
| Parity | no (none) |
| Number of Stop Bits | 1 |
| Interface | RS-232C (or RS-422A) |
| Line Control | IPRTS |
| Keyboard and Display Options | |
|---|---|
| Option | Setting |
| Screen | normal |
| Row and Column | 24x80 |
| Scroll | jump |
| Auto LF (line feed) | off |
| Line Wrap | on |
| Forcing Insert | line (or both) |
| Tab | field |
| Operating Mode | echo |
| Turnaround Character | CR |
| Enter | return |
| Return | new line |
| New Line | CR |
| Send | page |
| Insert Character | space |
A screen displays, asking you to select a language to be used for installation instructions.
Note: Although you can start the installation now with the default settings, it is recommended that you first verify your installation settings.
Verify the default installation settings from the Installation and Settings screen. If the installation and system settings are correct, type 0 in the Choice field and press Enter. Then go to Step 6. Finishing the BOS Installation.
Attention: Do not select the 0 option on the Installation and Settings screen until you have either verified the default settings or changed them to the correct settings, as the 0 choice immediately begins the installation.
To change the installation settings, use the following procedure:
Note: Available installation methods depend on whether your system has a previous version of AIX installed.If you only want to install the next maintenance level of AIX, see Installing Optional Software Products and Service Updates. You can also use the following SMIT fast path to update existing filesets:
smit update_all
Note: You can also specify a supplemental disk by typing 66 and pressing the Enter key for the Disks not known to Base Operating System Installation option. This option opens a new menu that prompts for a device support media for the supplemental disk. The device-support media is only needed when the device cannot configure with the generic SCSI or bus-attached device drivers. BOS installation configures the system for the disk and then returns to the Change Disk screen.
When the Select Disk(s) for Manual Partitioning screen displays, select the disks you want to manually partition. After you have finished selecting all your disks from the Change Disk(s) screen and pressed Enter, these disks are displayed on the Manual Partitioning screen. By default, none of the disks are initially selected, meaning they are auto-partitioned. If the default shown is correct, type 0 in the Choice field (to auto-partition all disks) and press Enter.
To manually partition a disk, use the following procedure:
Note: Changes to the primary language environment do not take effect until after BOS is installed and your system is rebooted.
1 Installation Package Set (Default) (ASCII
consoles) or
1 Desktop (CDE) (graphical consoles)
For ASCII systems, you can choose a Minimal or a Default installation.
The Default program set might prompt for additional CD volumes during a BOS
installation. When prompted, if you do not want to continue the
installation or you do not have additional volumes, type q and
press Enter to continue the installtion process. The system at this
point should have enough of the BOS loaded to be usable.
For graphical systems, if you do not choose a desktop (if you select NONE), a minimal configuration is installed including X11, Java, perl, SMIT, and theWeb-based System Manager. If you choose CDE, Gnome, or KDE, the desktop and documentation service libraries are also installed. If you choose Gnome or KDE, the interface prompts you for the Toolbox for Linux Applications CD. If this CD is not available, you can type q to continue the installation without it.
Type 1 and press Enter to toggle between choices.
Notes:
2 Enable Trusted Computing Base
The TCB is the part of the system that is responsible for enforcing the
information security policies of the system. All of the computer's
hardware is included in the TCB, but a person administering the system should
be concerned primarily with the software components of the TCB. If you
install the Trusted Computing Base option, you enable the trusted path,
trusted shell, and system integrity checking (tcbck command). These features can
only be enabled during BOS installation.
The choices are yes and no. To enable the Trusted Computing Base, type 2 and press Enter. The default is no.
3 Enable 64-bit Kernel Support
To toggle the choice between no (the Default) and yes,
type 3 and press Enter. This option is effective only on
64-bit Common Hardware Reference Platform (CHRP) systems. If you choose
no, the 64-bit kernel is still installed, but it is not linked to
the running /unix. If you choose yes, the 64-bit
kernel is installed and begins running when your system reboots. If you
choose yes and are installing with the New and Complete Overwrite
method, the file systems are created with JFS2 (Journaled File System 2),
instead of JFS.
ln -fs /usr/lib/boot/unix_64 /unix ln -fs /usr/lib/boot/unix_64 /usr/lib/boot/unix bosboot -ad/dev/ipldevice
Reboot your system afterwards.
After prompting for confirmation on the installation settings, the actual installation process begins, as follows:
For AIX 5.1 installations on Itanium-based platforms only, a message displays that lets you install extended hardware drivers. The extended hardware drivers CD contains additional hardware drivers not contained on the AIX product media. If you have not installed any extended hardware drivers and want to do so at this time, follow the instructions in the message. To continue without installing extended hardware drivers, simply press Enter. If you do not press any key within three minutes, the installation process continues.
After the base run-time environment is installed, status information displays about other software that is being installed.
Note: If the system being installed has 4GB or more of memory and you have performed an overwrite install, then a dedicated dump device might be created for you. If so, the device name is /dev/lg_dumplv, and its size is based on the following formula:
4>= RAM < 12 size of dump device= 1 GB 12>= RAM < 24 size of dump device= 2 GB 24>= RAM < 48 size of dump device= 3 GB RAM >= 48 size of dump device= 4 GB