Requirements on AIX operating systems

IBM Tivoli Directory Server, Version 6.3

Requirements on AIX operating systems

The following table shows the versions of AIX® on which IBM® Tivoli® Directory Server 6.3 is supported.

AIX on System p® (64-bit/32-bit) operating system version	64-bit Directory Server components	32-bit Directory Server components	Supported DB2® versions
AIX 5.3 TL6	Client Server Proxy server Web Administration Tool White Pages	Client	V9.7 ESE or later V9.5 FP3 ESE or later
AIX 6.1	Client Server Proxy server Web Administration Tool White Pages	Client	V9.7 ESE or later V9.5 FP3 ESE or later
AIX 7.1	Client Server Proxy server Web Administration Tool White Pages	Client	V9.7 ESE or later V9.5 FP3 ESE or later

Notes:

If you have no locale-specific requirements, after you apply all the services that you need for your system, restart your system to enable the changes.
For maintenance levels of AIX, go to the following Web address: http://www.ibm.com/servers/eserver/support/pseries/aixfixes.html.
For the server or 64-bit client, you must be running a 64-bit kernel.
To verify that you have the 64 bit kernel (/usr/lib/boot/unix_64) installed and running, run the following command:
```
bootinfo -K
```
Note:

If the hardware is 32-bit, then you can only have a 32-bit kernel; you cannot have a 64-bit kernel. If the hardware is 64-bit, then you can have either a 32 or 64-bit kernel.
For a server or 64-bit client, you must be running on 64-bit hardware.
To verify that your AIX hardware is 64-bit, run the following command:
```
bootinfo -y
```
If the command returns 32, your hardware is 32-bit.

In addition, if you type the command lsattr -El proc0, the output of the command returns the type of processor for your server.
For a directory server, be sure that asynchronous I/O is enabled. If asynchronous I/O is not enabled, the database instance associated cannot start successfully.
To enable asynchronous I/O:
1. Run smitty chgaio and set STATE to be configured at system restart from defined to available.
2. Press Enter.
3. Do one of the following:
  - Restart your system.
  - Run smitty aio and move the cursor to Configure defined Asynchronous I/O. Then press Enter.
The IBM C++ Runtime Environment Components for AIX must of at runtime level of xlC.rte 8.0.0.6 and xlC.aix50.rte 8.0.0.6 or later.
For Tivoli Directory Server version 6.x, the minimum base level system locale fileset level must be bos.loc.iso.en_US 5.3.0.0.

Support for virtualization environment for non-x86 architecture

The following table shows the supported virtualization environment on AIX operating system that run on System p and the supported IBM Tivoli Directory Server version 6.3 components.

Table 2. Tivoli Directory Server components supported on virtualization environment on System p
Hypervisor	Architecture	Minimum guest operating system	Tivoli Directory Server components
PowerVM™	System p	AIX 5.3 TL05 AIX 6.1	Client Server Proxy server Web Administration Tool White Pages DB2 V9.7 ESE or later V9.5 FP3 ESE or later

Support for AIX Workload Partitions on AIX 6.1

Tivoli Directory Server provides the following support for AIX system Workload Partitions (WPARs) on AIX 6.1:

Table 3. Tivoli Directory Server components supported on AIX WPARs
Global Area	Private System WPAR	Shared System WPAR
Client Full directory server Proxy server Web Administration Tool White Pages Tivoli Directory Integrator	Client Full directory server Proxy server Web Administration Tool White Pages	Client

Note:

DB2 version 9.7 can be installed on global partition. DB2 versions prior to 9.7 are supported for installation on local partitions only, because installation of these versions of DB2 on the global partition is not supported.

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