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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 ReferenceThe includes comprehensive descriptions of HCL Informix® configuration parameters, the system-monitoring interface (SMI) tables in the sysmaster database, the syntax of database server utilities such as onmode and onstat, logical-log records, disk structures, event alarms, and unnumbered error messages.
Administrative Utilities
The onmode utilityUse the onmode utility to change the database server operating mode and perform various other operations on shared memory, sessions, transactions, parameters, and segments.
onmode -l: Switch the logical-log file

onmode -l: Switch the logical-log file

Figure 1: Syntax:


Element	Purpose	Key considerations
-l	Switches the current logical-log file to the next logical-log file	You must use onmode to switch to the next logical-log file. For information on switching to the next logical-log file, see the chapter on managing logical-log files in the Informix® Administrator's Guide.

This command has an equivalent SQL administration API function.

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