The ADRCI (Automatic Diagnostic Repository Command Interpreter) is a command-line tool that you use to manage Oracle Database diagnostic data.
Below command will manually purge all tracefiles older than 10 days (14400 minutes) reducing occupation of filesystem “/u01”:
Syntax:
purge [[-i {id | start_id end_id}] | [-age mins [-type {ALERT|INCIDENT|TRACE|CDUMP|HM}]]]
$ df -kh /u01 Filesystem Size Used Avail Use% Mounted on /dev/mapper/VGExaDbM-LVDbOra1 129G 86G 37G 71% /u01 $ adrci ADRCI: Release 12.1.0.2.0 - Production on Tue May 19 11:50:42 2020 Copyright (c) 1982, 2014, Oracle and/or its affiliates. All rights reserved. ADR base = "/u01/app/oracle" adrci> show home ADR Homes: diag/rdbms/adp1/adp12 diag/rdbms/adp2/adp22 diag/rdbms/tenancy/tenancy2 diag/diagtool/user_oracle/host_3121538055_80 adrci> set home diag/rdbms/tenancy/tenancy2 adrci> purge -age 14400 -type trace $ df -kh /u01 Flesystem Size Used Avail Use% Mounted on /dev/mapper/VGExaDbM-LVDbOra1 129G 80G 43G 65% /u01
Setting Retention Policy:
LONGP_POLICY is set to 720 hours (30 days). It is responsible for Incidents and Health Monitor warnings
SHORTP_POLICY is set to 8760 hours (One year). It manages the trace and core dump files.
adrci> show control ADR Home = /u01/app/oracle/diag/rdbms/tenancy/tenancy2: ************************************************************************* ADRID SHORTP_POLICY LONGP_POLICY LAST_MOD_TIME LAST_AUTOPRG_TIME LAST_MANUPRG_TIME ADRDIR_VERSION ADRSCHM_VERSION ADRSCHMV_SUMMARY ADRALERT_VERSION CREATE_TIME ----------- ------------ ------------ ------------------------- -------------------------- ------------------- -------------- --------------- ---------------- ---------------- ----------- 514873012 720 8760 2017-07-12 10:25:21.914962 -03:00 2020-05-13 13:58:55.293112 -03:00 2020-03-23 06:54:59.256114 -03:00 1 2 82 1 2017-07-12 10:25:21.914962 -03:00 1 rows fetched
Changing the retention police. Specify the time in hours ( 360 = 15 days , 1095 = 1.5 Months )
adrci> set control (SHORTP_POLICY=360) adrci> set control (LONGP_POLICY = 1095)
Use autopurge option (in this case the current retention policy is applied):
adrci> purge
References
ADRCI: ADR Command Interpreter. Available at: https://docs.oracle.com/cd/B28359_01/server.111/b28319/adrci.htm#BABBHGFC