PURPOSE
-------
To provide a list of commands for DBA's to determine if a 32-bit or 64-bit
application can be installed successfully on AIX 4.3.3 and AIX 5L
SCOPE & APPLICATION
-------------------
Oracle DBA's and UNIX Sys Admins
Verify the following for an application installation on AIX servers:
32-bit or 64-bit:
Application
Operating System
Kernel
Hardware
AIX 32-bit and 64-bit Information and Command Summary for Oracle Installations
------------------------------------------------------------------------------
Verified combinations of 32/64 bit Oracle on AIX
AIX 4.3.3
-----------
Application Hardware Operating Sys Kernel
8.1.7 32bit 32bit or 64bit 64bit *N/A
8.1.7 64bit 64bit 64bit *N/A
9.0.1 64bit 64bit 64bit *N/A
9.2.0 64bit 64bit 64bit *N/A
AIX 5.1
-----------
Application Hardware Operating Sys Kernel
8.1.7 32bit 32bit or 64bit 64bit 32bit or 64bit **)
8.1.7 64bit --- Not available ---
9.0.1 64bit --- Not available ---
9.2.0 64bit 64bit 64bit 32bit or 64bit
AIX 5.2
-----------
Application Hardware Operating Sys Kernel
8.1.7 32bit 32bit or 64bit 64bit 32bit or 64bit **)
8.1.7 64bit --- Not available ---
9.0.1 64bit --- Not available ---
9.2.0 64bit 64bit 64bit 32bit or 64bit
10.1.0 64bit 64bit 64bit 32bit or 64bit
10.2.0 64bit 64bit 64bit 32bit or 64bit
AIX 5.3
-----------
Application Hardware Operating Sys Kernel
8.1.7 32bit 32bit or 64bit 64bit 32bit or 64bit **)
8.1.7 64bit --- Not available ---
9.0.1 64bit --- Not available ---
9.2.0 64bit 64bit 64bit 32bit or 64bit
10.1.0 64bit 64bit 64bit 32bit or 64bit
10.2.0 64bit 64bit 64bit 32bit or 64bit
11.1.0 64bit 64bit 64bit 32bit or 64bit
11.2.0 64bit 64bit 64bit 32bit or 64bit
AIX 6.1
-----------
Application Hardware Operating Sys Kernel
10.2.0 64bit 64bit 64bit 32bit or 64bit
11.1.0 64bit 64bit 64bit 32bit or 64bit
11.2.0 64bit 64bit 64bit 32bit or 64bit
* AIX 4.3.3 does not have the option to boot up in different kernel modes.
** requires patch 2896876
APPLICATION
-----------
The 64-bit user-space support is provided by the bos.64bit fileset and enabled
with the 'smit load64bit' menu. You can also test this by running the
'/etc/methods/cfg64' command (see the entry in /etc/inittab) and checking the
return code.
HARDWARE
---------
All recent pSeries boxes have 64-bit CPUs, including:
* RS/6000 7013 Models S70, S7A
* RS/6000 7015 Models S70, S7A
* RS/6000 7017 Models S70, S7A, S80
* RS/6000 7025 Models H80, F80
* RS/6000 7026 Models H70, H80, M80
* RS/6000 7043 Models 260, 270
* RS/6000 7044 Models 170, 270
* pSeries 680 Model S85
* pSeries 640 Model B80
* pSeries 660 Model 6H1
* pSeries 620 Model 6F1
This list is from the AIX 5.1 /usr/lpp/bos/README file.
KERNEL
------
It is possible to switch between the 32-bit and 64-bit kernels without
reinstalling the operating system.
Ref Note:169426.1 - How to Change Kernel Mode of IBM AIX 5L (5.1)
Be careful to not try and boot the unix_up kernel on an mp system, or a
unix_64 kernel on a 32-bit h/w. It will fail and you'll have to use
maintenance mode to fix it.
VERIFICATION COMMANDS
=====================
APPLICATION
-----------
Command:
# file $ORACLE_HOME/bin/oracle
If the executable is 32-bit, the result is
oracle: executable (RISC System/6000) or object module not stripped
for 64-bit ocde
oracle: 64-bit AIX executable or object module not stripped
In addition to the command 'file $ORACLE_HOME/bin/oracle' in 10G
you can now query the platform_name from v$database, for example:
SQL> select platform_name from v$database;
PLATFORM_NAME
--------------------------
AIX-Based Systems (64-bit)
HARDWARE (Installed)
--------
Command: > lslpp -l bos.64bit
32-bit
lslpp: 0504-132 Fileset bos.64bit not installed.
64-bit/AIX 4.3.3
Fileset Level State Description
----------------------------------------------------------------------------
Path: /usr/lib/objrepos bos.64bit 4.3.3.78 COMMITTED Base Operating
System 64 bit
Runtime
64-bit/AIX 5.1
Fileset Level State Description
----------------------------------------------------------------------------
Path: /usr/lib/objrepos bos.64bit 5.1.0.35 COMMITTED Base Operating
System 64 bit
Runtime
KERNEL
------
Command: > ls -l /unix
32-bit
lrwxrwxrwx 1 root system 21 Mar 25 2002 /unix@ -> /usr/lib/boot/un
ix_mp*
64-bit
lrwxrwxrwx 1 root system 21 Jun 04 2002 /unix@ ->
/usr/lib/boot/unix_64*
=========================================================================
AIX 5.2 64-bit
HARDWARE
--------
# getconf HARDWARE_BITMODE
64
KERNEL
------
# getconf KERNEL_BITMODE
64
===========================================================================
NOTE: bootinfo command
bootinfo -K displays the current kernel wordsize of "32" or "64"
bootinfo -y tells if hardware is 64-bit capable
bootinfo -p If it returns the string 32 it is only capable of running the
32-bit kernel. If it returns the string chrp the machine is
capable of running the 64-bit kernel or the 32-bit kernel.
> man bootinfo
Determines and displays various boot information, including boot device
type and boot device name. This command is NOT a user-level command and is
NOT supported in AIX Version 4.2 or later.
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