IBM 000-8697 Manuale Utente

Pagina di 702
3-82
IBM Informix OnLine Database Server Administrator’s Guide
Monitor the Message Log
Execute tbcheck -pr to obtain detailed logical log file information that is
stored in the root dbspace reserved page dedicated to checkpoint infor-
mation. Refer to
logical logs
(PAGE_CKPT
).
Monitor the Message Log
Monitor 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 to
for a complete listing of possible message log records and the
meaning of each one.
Monitor the message log for size, as well. Edit the log as needed or back it up
to tape and delete it.
From DB-Monitor
From
DB-M
onitor, 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
From the command line, execute tbstat -m to obtain the name of the OnLine
message log and the 20 most-recent entries.