R12.1 and R12.2 Architecture Difference
1)In R12.2 we have to kind of filesystems fs1(run filesystem) and fs2(patch filesystem) where as In R12.1.3 we only deal with one application filesystem.
2)In R12.2 we have the Application servers replaced by Weblogic server to manage the technology statck.
The 10.1.3 Home is replaced by FMW (Fusion Middleware Home) i.e $FMW_HOME
The major change in R12.2 is involvement of Weblogic server to manager all the forms,oacore servers
where as in R12.1.3 we had the Application server 10.1.3 to manage the web home or Java Home
3)The adpatch(patching) in R 12.1.3 is replaced by adop(online patching) in R 12.2.4
adop(online patching) utility involves 5 phases to apply a standard patch in Oracle EBS R12.2.
adop involves 5 phases
1)prepare => prepare phase involves synchronization of the filesystems fs1 (run ,filesystem) and fs2(patch filesystem), filesystems are inter changeable.
2)apply=>In this phase we apply all the patches
Note: These patches need to be copied in fs_ne (non editioned filesystems)
3)finalize =>In this phase we are getting ready for cutover phase
4)cutover =>In cutover phase the filesystem switchover takes place. Previously the filesystem which was patch filesystem will now become run filesystem.)
5) cleanup =>In cleanup phase all the obsolute objects gets compiled .
adop online patching utility doesn't require downtime. It involves minimal downtime during cutover phase where switching of filesystems happens. We can apply lot of patches and do cutover any time to minimize downtime
where as in adpatch we just apply patch most of the times by bringing down applications or in hot patch mode.
4)'Apps' user Password change:
The 'apps' user password change involve 3 steps in R12.2.4
1)Change the password with FNDCPASS
2)Change the password in EBS Datasource from Weblogic admin console
Where as in R 12.1.3 It only involves 2 steps:
1)Change the password with FNDCPASS
2)Run Autoconfig
5)Log files locations:
All the oacore,forms log files are placed in $EBS_DOMAIN_HOME in R12.2. I will explain this in details in my upcoming posts.
Where as in R12.1.3 all the logs for oacore,forms are under $LOG_HOME/ora/10.1.3The functional differences between the versions.
There was a significant improvement in functionality between R11 and R12.1. While there are some functional improvements between 12.1 and 12.2, the main changes are more technical, as mentioned above. Still, there are new functional features in 12.2 that could provide benefit to many customers. These include, but are not limited to:
Order Management
- Credit Check hold enhancements
- Better support for subscriptions
- Advanced catch weight
Financials
- Payment acknowledgement import
- Ability to schedule the AP/AR Netting Batching Program
- Support for new authentication SFT (Secure File Transfer) for Credit Card Transactions
- Partial Authorization Reversal
- Support for multiple valuation methods with multiple accounting ledgers with multiple currencies
- Support for loading AMEX Hotel Folio Data file
Supply Chain Management
- Better support for contingent workers
Inventory and Warehouse Management
- Return to Vendor enhancements
- Streamlined mobile user interfaces
- Enhanced managerial workbenches
- Improved catch-weight functionality
- Better extensibility supports greater fulfillment flexibility
- Ability to configure the hand-held screens without customization
Projects
- Improved labor costing
- Cost breakdown structure
- Better accounting for Services
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