Informix Warehouse Accelerator prerequisites and requirements

Ensure that your system meets the prerequisites and the requirements for Informix® Warehouse Accelerator. You must have certain utilities installed. Cluster installations have additional requirements.

General prerequisites

Following are the general prerequisites for Informix Warehouse Accelerator:
  • You must have the Informix warehouse edition installed before you can install Informix Warehouse Accelerator.
  • Only one instance of Informix Warehouse Accelerator can be installed on a computer.
  • Both the Informix and Informix Warehouse Accelerator versions must be at the same release and fix pack level.

System requirements

Informix Warehouse Accelerator must be installed on a computer that uses a Linux® Intel x86 64-bit operating system. For the detailed list of supported operating systems and hardware, see the Informix Warehouse Accelerator system requirements: http://www.ibm.com/support/docview.wss?rs=630&uid=swg27021332.

Required libraries

You must have the following libraries installed on the server where Informix Warehouse Accelerator is installed:
  • libicu
  • xerces-c

Required utilities

You must have the following utilities on the server where Informix Warehouse Accelerator is installed:
  • Telnet client program
  • Expect utility (expect-5)
  • su command

Requirements for Informix Warehouse Accelerator installed on a cluster system

Following are requirements for installing Informix Warehouse Accelerator on a cluster system:

  • You must have a shared-disk cluster file system. For example, IBM® General Parallel File System (GPFS).
  • For maximum performance in a shared cluster environment, all cluster nodes must have the same amount of memory and processor cores.
  • The user root must be able to connect to all cluster nodes by using the Secure Shell (SSH) network protocol without a password.
  • If user informix is used for Informix Warehouse Accelerator administration, user informix must be able to connect to all cluster nodes by using the Secure Shell (SSH) network protocol without a password.
  • The file paths for the Informix Warehouse Accelerator installation files must be the same on each cluster node.