IBM GC23-7753-05 manual Database Server Configuration, Environment Variables

+	v Each chunk file has an ownership and permissions setting that allows you to
+		modify it.
+	v You know the ROOTPATH (and MIRRORPATH, if applicable) for the deployed
+		instance, and provide the path information in a configuration parameter setting
+		or by using the -rootpathoption.
+	Database Server Configuration
+	You can set essential configuration parameters in the command-line options of the
+	ifxdeploy command, instead of setting the values in the onconfig file.
+	In the ifxdeploy.conf file, you can provide server configuration parameters in the
+	following ways:
+	v Edit essential configuration parameter settings for your instance; the parameter
+		options that appear in the file mirror those that are available as command-line
+		options.
+	v If you do not edit a configuration parameter setting listed in the file, accept the
+		default value.
+	v Indicate a pre-existing onconfig file for the instance to use.
+	v Customize configuration parameter settings in the ONCONFIG part of the
+		ifxdeploy.conf file, which overrides any onconfig file settings. This is
+		particularly useful if you have brought your snapshot to the target computer,
+		analyzed the environment, and know that there are a few specific parameters
+		that are easier to adjust through the deployment utility instead of manually
+		editing the onconfig file.
+	Attention: The values of any options that you pass on the ifxdeploy command
+	line supersede the corresponding settings of the ifxdeploy.conf file.
+	An onconfig file is generated from onconfig.std if you do not specify one and the
+	ONCONFIG environment variable is not set.
+	Environment Variables
+	You can specify INFORMIXDIR, INFORMIXSERVER, INFORMIXSQLHOSTS,
+	and ONCONFIG environment variables in the ifxdeploy.conf file.
+	The deployment utility can read the following environment variables from the
+	process environment and use them to configure the deployed instance:
+	v	INFORMIXDIR
+	v	INFORMIXSERVER
+	v	CLIENT_LOCALE
+	v	DB_LOCALE
+	v	DBLANG
+	v	GL_USEGLU
+	v	SERVER_LOCALE
+	If the INFORMIXDIR and INFORMIXSERVER environment variables are not set
+	on the target computer, you must enter them in the configuration file or when
+	prompted by the deployment utility. No default values are provided for these two
+	environment variables.

Chapter 5. Deploying IDS with the Deployment Utility 5-3