Purging alert log files
- From: "Kline.Michael" <Michael.Kline@xxxxxxxxxxxx>
- To: <oracle-l@xxxxxxxxxxxxx>
- Date: Mon, 22 Jan 2007 10:00:36 -0500
How often are you purging(and cutting copies of) alert logs???
Currently we are doing this to purge our log file. For a while on some
boxes they were doing this all the time so that our "backup" directory
had may be hundreds of "alert logs" with time stamps. Of course if you
wanted to "grep" for something you could, but often that gave so many
hits that needed to be ignored as old alertlog copies didn't count.
Larger alert logs, 1 year or so, allow us to look to see if this
happened in the past.
Also, I'm thinking there is a strong possibility that we could lose data
on this. I've seen it sometimes take 5-15 seconds just to tail the alert
log.
Currently:
cp $LOG_NAME $LOG_NAME.prev
/usr/bin/gzip -c $LOG_NAME.prev >
$ORA_LOG/$ORACLE_SID"_"$LOG_NAME"_"`date +%H:%M_%d-%h-%Y`.gz
cat /dev/null > $LOG_NAME
Maybe should:
cp $LOG_NAME $LOG_NAME.prev
cat /dev/null > $LOG_NAME
/usr/bin/gzip -c $LOG_NAME.prev >
$ORA_LOG/$ORACLE_SID"_"$LOG_NAME"_"`date +%H:%M_%d-%h-%Y`.gz
I also usually purge once per year, or maybe once per month. On one test
box, we "rotate" when we refresh the database.
Michael Kline
Tel: 804.261.9446 Net: 643.9446
Cell: 804.744.1545
michael.kline@xxxxxxxxxxxx <mailto:michael.kline@xxxxxxxxxxxx>
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