SAS(R) 9.2 Intelligence Platform: Application Server Administration Guide

Product	Release
SAS Enterprise Data Integration Server	4.2
SAS Grid Manager Plug-ins for SAS Management Console	9.2
SAS Data Integration Server	4.2
SAS Object Spawner	9.2
SAS Stored Process Server	9.2
SAS Application Server Context	9.2
SAS OLAP Server	9.2
SAS Management Console	9.2
SAS Pooled Workspace Server	9.2
SAS Workspace Server for Local Access	9.2
SAS DATA Step Batch Server	9.2
SAS/CONNECT	9.2
SAS Enterprise BI Server	4.2
SAS BI Server	4.2

Understanding SAS Grid Servers

About the SAS Grid Server

The SAS Grid Server serves as a bridge between SAS applications and the grid environment. It enables an application to recognize the grid and submit jobs to it.

The grid server is actually a logical server, which is a component under a SAS application server. A grid consists of the following nodes:

a grid control server
a machine that distributes jobs to machines on the grid. A grid control server can also do work allocated to the grid.
one or more grid nodes
a machine or machines that run a portion of the work allocated to the grid.

A logical grid server is required on both types of nodes.

The grid control server and the grid node include the following components:

grid middleware provider
workspace server and spawner (grid control server only)
DATA step batch server
Base SAS
SAS/CONNECT server and spawner

The logical grid server definition specifies the command that is used by the middleware provider to start a SAS/CONNECT session.

To configure grid nodes, you first design the grid and designate a machine to be the grid control server. Next, you set up the logical grid server definitions on all of the grid nodes.

After a grid is configured, you can add grid nodes to increase grid capacity, create the required logical server definitions on a machine, and install the required software on each machine. Specific information about setting up and configuring a grid is on the SAS Scalability and Performance focus area: http://support.sas.com/rnd/scalability/grid/griddocs.html. If you are setting up a grid using middleware other than Platform Suite for SAS (such as United Devices GridMP or DataSynapse GridServer), specific values for the fields in a grid server definition are also on the SAS Scalability and Performance focus area.

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