R12 ARCHITECTURE

R12 COMPLETE ARCHITECTURE

 


INST_TOP in R12

INST TOP directory:

(applmgr) - ls
 
 admin/ appl/ certs/ logs/ ora/ out/ pids/ portal/ rgf/
 
(applmgr) -



The Whys and wherefores:

You may get a question why is the change??

There is a need to separate

Code
Data
Config

To ease maintenance of the system. To avoid NFS/MUTEX related issues. Above issue will get resolved if the configuration/lcck files are stored in local system. Another advantage is to gain performance accessing local file system is better than NFS file system.

This directory $INST_TOP got introduced newly in R12. Instance top contains all the config files, log files, ssl certificates, document root etc. Addition of this directory makes the middle-tier more organised, since data is kept separate from config/log files. Another advantage is that, multiple instances can easily share the same middle tier. To create a new instance that shares an existing middle-tier, just create a new instance_top with proper config files and NFS mount the middle tier in the server.
INSTANCE TOP - STRUCTURE
$INST_TOP: APPS_BASE/inst/apps/CONTEXT_NAME/
/admin

    /scripts
ADMIN_SCRIPTS_HOME: Find all AD scripts here
/appl
APPL_CONFIG_HOME. For standalone envs, this is set to $APPL_TOP
    /fnd/12.0.0/secure
FND_SECURE: dbc files here
    /admin
All Env Config files here
/certs
SSL Certificates go here
/logs
LOG_HOME: Central log file location. All log files are placed here (except adconfig)
/ora
ORA_CONFIG_HOME
    /10.1.2
'C' Oracle home config, Contains tnsnames and forms listener servlet config files
    /10.1.3
Apache & OC4J config home, Apache, OC4J and opmn
This is the 'Java' oracle home configuration for OPMN, Apache and OC4J
/pids
Apache/Forms server PID files here
/portal
Apache's DocumentRoot folder

AD SCRIPTS
$ADMIN_SCRIPTS_HOME: $INST_TOP/admin/scripts
adautocfg.sh run autoconfig     
adstpall.sh stop all services
adstrtal.sh start all services
adapcctl.sh start/stop/status Apache only
adformsctl.sh start/stop/status OC4J Forms
adoacorectl.sh start/stop/status OC4J oacore
adopmnctl.sh start/stop/status opmn
adalnctl.sh start/stop RPC listeners (FNDFS/FNDSM)
adcmctl.sh start/stop Concurrent Manager
gsmstart.sh start/stop FNDSM
jtffmctl.sh start/stop Fulfillment Server
adpreclone.pl Cloning preparation script
adoafmctl.sh adoafmctl.sh to start/stop/status OC4J oafm
(webservice, mapviewer)
adexecsql.pl Execute sql scripts that update the profiles in an AutoConfig run
java.sh Call java executable with additional args, (used by opmn, Conc. Mgr)

LOG FILES
Location of various log files
AD Script log files (adapcctl.sh,...) $INST_TOP/logs/appl/admin/log
CM Log Files ($APPLCSF/$APPLLOG) $INST_TOP/logs/appl/conc/log
AD tools log files (adpatch, ...) $APPL_CONFIG_HOME/admin/$TWO_TASK/log
OPMN Log Files (Text & ODL) $INST_TOP/logs/ora/10.1.3/opmn
Apache Log Files (Text & ODL) $INST_TOP/logs/ora/10.1.3/Apache
OC4J Log Files (Text) $INST_TOP/logs/ora/10.1.3/j2ee/oacore/
OC4J Log Files (ODL) $INST_TOP/logs/ora/10.1.3/j2ee/oacore/log/oacore_default_group_1/oc4j

SSL CERTIFICATES
$INST_TOP/certs
/Apache/ewallet.p12
 
/opmn/cwallet.sso
 
/opmn/ewallet.p12
 
certs is the default directory for SSL or any other certificate files
used by this instance. To use a centrally staged certificate, change
the appropriate context file and run autoconfig











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