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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.
SNMP Subagent GuideThe describes the Simple Network Management Protocol (SNMP) and the software that you need to use SNMP to monitor and manage HCL Informix® database servers and databases.
Informix® implementation of SNMPThe HCL Informix® implementation of SNMP lets database administrators monitor Informix® database servers and databases.
Informix® implementation of SNMP on UNIX™ or Linux™
UNIX™ subagentWhen you install the HCL Informix® database server on UNIX™, the installation procedure installs OnSNMP. OnSNMP consists of the onsnmp program.

UNIX subagent

When you install the HCL Informix® database server on UNIX™, the installation procedure installs OnSNMP. OnSNMP consists of the onsnmp program.

Under normal circumstances, you do not need to start or stop OnSNMP explicitly. If you experience abnormal circumstances and need to start or stop OnSNMP explicitly, contact Technical Support.

The following additional files are provided with the database server for SNMP support.

Table 1. Additional files provided with the database server
Program	Description
onsrvapd daemon	When you start the Informix database server that is on this workstation, onsrvapd detects this event and starts OnSNMP for the database server. When the database server halts, onsrvapd stops OnSNMP for that database server.
runsnmp.ksh script	This script starts onsrvapd. It also starts the master agent that is appropriate for the platform. If you want to run OnSNMP, you need to run runsnmp.ksh each time that you reboot.

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