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:
  • 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.

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, 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.