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AdministeringIn addition to administering the database server, you can tune performance, replicate data, and archive data.
System administrationThese topics contain concepts, procedures, and reference information for database and database server administrators to use for managing and tuning HCL Informix® database servers.
Administrator's GuideThe Informix® Administrator's Guide provides the information required to administer HCL Informix®.
High availability and scalabilityA successful production environment requires database systems that are always available, with minimal if any planned outages, and that can be scaled quickly and easily as business requirements change.
Connection management through the Connection ManagerConnection Managers can control automatic failover for high-availability clusters, monitor client connections and direct requests to appropriate database servers, act as proxy servers and handle client/server communication, and prioritize connections between application servers and the primary server of a high-availability cluster. Connection Managers support high-availability clusters, replicate sets, server sets, and grids.
Configuring connection managementTo configure connection management, you must install software, set environments and connectivity information, create Connection Manager configuration files, and run the oncmsm utility.
Creating Connection Manager configuration files
Converting older formats of the Connection Manager configuration file to the current formatThe Connection Manager configuration file in versions of Informix® Client Software Development Kit (Client SDK) before version 3.70.xC3 are incompatible with the current version of the Connection Manager. You must convert configuration files from versions before 3.70.xC3 by running the oncmsm utility.

Converting older formats of the Connection Manager configuration file to the current format

The Connection Manager configuration file in versions of Informix® Client Software Development Kit (Client SDK) before version 3.70.xC3 are incompatible with the current version of the Connection Manager. You must convert configuration files from versions before 3.70.xC3 by running the oncmsm utility.

Before you begin

If you have multiple configuration files to convert, combine related SLA definitions into a single configuration file.

About this task

You can convert Connection Manager configuration files, even if a Connection Manager is running.

Procedure

To convert a Connection Manager file to the current format:

Log on to the computer on which the updated Client SDK is installed.
Run the oncmsm utility, specifying old and new configuration file names.

Results

After the configuration file is converted, it can be loaded into a Connection Manager.

Example: Converting a configuration file and loading it into a Connection Manager

For the following example:

You are using a UNIX™ operating system.
You updated a Connection Manager from 3.50.xC9 to 4.10xC1, and must update your configuration file.
The Connection Manager was using a configuration file that is named configuration_file_old and located in $INFORMIXDIR/etc.
You want to convert the file to the new format and rename the file to configuration_file_new.

Run the following commands:

oncmsm -c configuration_file_old -n configuration_file_new
oncmsm -c configuration_file_new

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