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Remove elderly Oracle trace, core and dump files

Part of the job of the Oracle DBA on a UNIX server is to e-mail current trace and core dump files to Oracle support and e-mail application trace and dump files to code developers. Once problems have been resolved, the DBA must remove unwanted files from the Oracle UNIX filesystem. These un-wanted files may include:

* Trace files – Trace files become obsolete as soon as they have been mailed to the developer staff.
* Core files – Core files may be removed as soon as Oracle support has received copies of the dump.
* Audit files – Audit files are a nuisance that many DBAs remove every day.

Below is a script that will automatically remove all trace files from the background_dump_destination filesystem in UNIX.

# Cleanup trace files more than 7 days old

root> find $DBA/$ORACLE_SID/bdump/*.trc -mtime +7 -exec rm {} \;
root> find $DBA/$ORACLE_SID/udump/*.trc -mtime +7 -exec rm {} \;
root> find $DBA/$ORACLE_SID/cdump/*.trc -mtime +7 -exec rm {} \;
Note that the first part of this script (before the –exec) displays all trace files that are more than 7 days old.
root> find $DBA/$ORACLE_SID/bdump/*.trc -mtime +7

/u01/app/oracle/admin/janet1/bdump/janet1_arc0_25005.trc
/u01/app/oracle/admin/janet1/bdump/janet1_arc0_25173.trc
/u01/app/oracle/admin/janet1/bdump/janet1_arc0_9312.trc
/u01/app/oracle/admin/janet1/bdump/janet1_arc0_9425.trc
/u01/app/oracle/admin/janet1/bdump/janet1_arc1_14300.trc
/u01/app/oracle/admin/janet1/bdump/janet1_arc2_14380.trc
/u01/app/oracle/admin/janet1/bdump/janet1_pmon_25159.trc
/u01/app/oracle/admin/janet1/bdump/janet1_snp0_25171.trc
/u01/app/oracle/admin/janet1/bdump/janet1_snp0_8188.trc


The above is an excerpt from the "Oracle UNIX Administration Handbook" by Oracle press, authored by Donald K. Burleson.

 

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