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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 OneDB™ database servers.
Administrator's ReferenceThe HCL OneDB™ Administrator's Reference includes comprehensive descriptions of HCL OneDB™ 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 onstat utilityThe onstat utility reads shared-memory structures and provides statistics about the database server at the time that the command runs.
onstat -m command: Print recent system message log informationUse the onstat -m command to display the 20 most recent lines of the system message log.

onstat -m command: Print recent system message log information

Use the onstat -m command to display the 20 most recent lines of the system message log.

You can use the onstat -m command option with the database server in any mode, including offline.

Figure 1: Syntax:

Example output

Output from this command lists the full pathname of the message log file and the 20 file entries. A date-and-time header separates the entries for each day. A time stamp prefaces single entries within each day. The name of the message log is specified as MSGPATH in the ONCONFIG file.

Figure 2: onstat -m command output


Message Log File: /work/11.50/dbspaces/star3.log
11:26:33  Checkpoint Completed:  duration was 0 seconds.
11:26:33  Checkpoint loguniq 1, logpos 0x23c408, timestamp: 0x2cc2 Interval: 9

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