Primary
Application tier is connected to Primary database and Standby Application tier
is connected to Standby database.
Now we
need to sync in standby Apps tier with Primary Apps tier.
There
are two ways to consider sync of filesystem from primary to standby node.
Rsync command can be kept in crontab to continuouly write the changes on stanndby
Method
1:
1)
Enabled full filesystem sync from Primary to Standby Application Tier
2)
Whenever you perform a DR switch, rename standby Application Servers hostname
to primary application hosts.
3)
Also, perform changes in DNS as well
Method
2:
1)
Enabled sync of Run Filesystem and FS_NE
2)
Whenever you perform a DR switch run adcfgclone.pll on AppsTier to reconfigure
Apps.
3)
Perform any post configuration steps like WF Configuration, Update paths,etc.,
Method
2 is little complex as this need thorough testing specifically for post steps.
Method 1 doesn't is much simpler and faster to bring up Apps incase of any
disaster.
For
more details on how to setup standby appication, follow the below MOS ID
Business
Continuity for Oracle E-Business Suite Release 12.2 Using Oracle 12c (12.1.0.2)
Physical Standby Database (Doc ID
1963472.1)
==============================
Instructions
for OPRD:
cd
/OPRD/shared/apps/apps_st
tar
-cvf appl_backup.tar appl
shutdown
services on external node amxp05ext01b
rsync
-rptgl -e ssh --progress --exclude admin
applmgr@amxp05ext01ba:/OPRD/shared/apps/apps_st/appl/
/OPRD/shared/apps/apps_st/appl/
run
adadmin to recompile all plsql/menu/forms for US
After
the rsync only the following forms should be reported as not compiling
successfully:
The
following Oracle Forms objects did not generate successfully:
cs forms/US CSXSRCT1.fmx
cs forms/US CSXSRCT2.fmx
cs forms/US CSXSRISR.fmx
startup
services on external node amxp05ext01b
Backout
instructions for OPRD
login
as applmgr to amxq05ext01b
cd
/OPRD/shared/apps/apps_st
tar
-xvf appl_backup.tar
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