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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
Modifying Connection Manager configuration filesUse the oncmsm utility to load a modified configuration file into a Connection Manager and change the Connection Manager's configuration.

Modifying Connection Manager configuration files

Use the oncmsm utility to load a modified configuration file into a Connection Manager and change the Connection Manager's configuration.

Before you begin

About this task

If you are using multiple Connection Managers, you can run the onstat -g cmsm command to display the names of Connection Manager instances.

Procedure

Modify the existing Connection Manager configuration file.
The default location of the configuration file is the $INFORMIXDIR/etc directory.
On the Connection Manager's host, run the oncmsm utility with the r parameter and the name of the Connection Manager instance.
For example:
```
oncmsm -r connection_manager_name
```
Because multiple instances of the Connection Manager can be active at the same time, you must specify the name of the Connection Manager instance.

Results

After you reload a Connection Manager's configuration file, the new configuration immediately takes effect.

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