3-82 IBM Informix OnLine Database Server Administrator’s Guide
Monitor the Message Log
Executetbcheck -pr to obtain detailed logical log file information that is
stored in the root dbspace reserved page dedicated to checkpoint infor-
mation. Refer topage 2-97 for a description of each of the fields related to
logical logs (PAGE_CKPT).
Monitor the Message LogMonitor the message log periodically to verify that OnLine operations are
proceeding normally and that events are being logged as expected. Use a
UNIX editor to read the complete message log. Refer toChapter 8, “OnLine
MessageLog,” for a complete listing of possible message log records and the
meaning of each one.
Monitorthe message log for size, as well. Edit the log as needed or back it up
to tape and delete it.
From DB-Monitor
FromDB-Monitor, select the Status menu, Configuration option.
Use this option if you do not know the explicit pathname of the OnLine
message log. The pathname of the message log is specified as the value of
MSGPATH.
From the Command Line
Fromthe command line, execute tbstat -m to obtain the name of the OnLine
message log and the 20 most-recent entries.