Informix Warehouse Accelerator (IWA) makes Informix run OLAP queries with lightning speed.
The accelerator provides extreme performance for BI applications while removing most tuning
required for traditional data warehouses. It is designed to provide your business with the right
data at the right time without increasing maintenance requirements or changing application infrastructure.
1 Requirements
The following programs are required for IWA to run:
- telnet
- expect
- bc
ondwa command:
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$ ondwa status
Command "telnet" not found, please ensure "telnet" is installed and is in PATH.
Command "expect" not found, please ensure "expect" is installed and is in PATH.
Command "bc" not found, please ensure "bc" is installed and is in PATH.
2 Install
On the server where Informix Warehouse Accelerator should be installed, log on as user root. Locate the
installation package and uncompress it:
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# cd /tmp/ # tar xf INFO_AWE_WHA_12.10_XC7_LNX_64_EN.tar
Then, start the installation program by using the following command:
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# ./iwa_install -i console
Respond to the prompts in the installation program as the program guides you through the installation. At some point you will be prompted to either configure or not the IWA instance:
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===============================================================================
Configuration choice
--------------------
Would you like to configure Informix Warehouse Accelerator?
1- Yes
->2- No
ENTER THE NUMBER FOR YOUR CHOICE, OR PRESS <ENTER> TO ACCEPT THE DEFAULT:: 1
3 Uninstall SELinux
It is advisable not to disable SELinux, we will uninstall it because we are working on a LAN and we already have security systems such as firewalls.
To disable SELinux we must edit the configuration file that we see below:
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vi /etc/sysconfig/selinux
When editing the file we will see a text like the one in the following image where we will have to change SELINUX = enforcing and put SELINUX = disabled.
