How to rollback crs upgrade?

Hi,
My database is running on two node cluster database.it is cluster filesystem. database is running on Windows server. Now database and clusterware are runing 10.2.0.2 version. we r going to upgrade clusterware to 10.2.0.4. once upgrade will fail .. how to rollback to 10.2.0.2? .plz help
Thanx in advance
Thanks,

You can Upgrade and Downgrade the OCR Configuration in Oracle RAC, here is the link
http://www.stanford.edu/dept/itss/docs/oracle/10gR2/rac.102/b14197/votocr.htm#BABDAIDI
oracle Clusterware downgrade is not supported, pls refer the below links
Re: downgrade database from 10.2.0.4 to 10.2.0.2
http://www.eygle.com/Notes/10204_patch_note_Linux_x86.htm
Hope this helps,
Regards,
http://www.oracleracexpert.com
Click here to [Time difference between the RAC nodes is out of sync|http://www.oracleracexpert.com/2009/12/time-difference-between-rac-nodes-is.html]
Click here to [Duplicate RAC Database using RMAN|http://www.oracleracexpert.com/2009/12/duplicate-rac-database-using-rman.html]

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Hi Gurus,
I am in the process of upgrading 10.2.0.2 to 10.2.0.3. So far things are going smooth. However, I want to have a rollback procedure ready in case anything goes wrong.
Maybe I am not looking good enough, but I am having tough time finding document on how to downgrade crs in case of human errors during upgrade.
1) Has anyone downgraded the CRS? If yes, does it cause any startup issues after downgrade?
2) Does anyone know a metalink note id which explains the steps to downgrade CRS?
Thanks a bunch.
--MM

AFAIK, there is no supported way to downgrade the CRS from 10.2.0.3 to 10.2.0.2. You may have restore from the backup (including voting/ocr devices and other config files under /etc).

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HOW TO ROLLBACK ENCUMBRANCE BALANCE

제품 : FIN_GL
작성날짜 : 2003-11-24
HOW TO ROLLBACK ENCUMBRANCE BALANCE
===================================
PURPOSE
balance table의 data 에 corrput 가 발생했을 경우 예산 가집행에 대한 rollback script를 제공한다.
Explanation
1. 관련 data를 모두 backup 받아 놓는다.
2. data가 corrupt 된 기간을 확인한다.
3. gl_balance table에서 corrupt 된 data를 delete한다.
delete from GL_BALANCES
where set_of_books_id = <set of books id which has the corruption >
and actual_flag = 'E'
and encumbrance_type_id = <Encumbrance type id of the corrupt balances>
and period_year >= <Fiscal year which has the corruption >
4. GL_SETS_OF_BOOKS table 을 update 한다.
Update gl_sets_of_books
set latest_encumbrance_year = <last correct encumbrance year>
where set_of_books_id = <set of books id>
5. Encumbrance Year 를 재오픈한다.
Period 화면에서 해당 encumbrance year를 재오픈한다.
6. Journal Status를 update 한다.
update GL_JE_BATCHES set status = 'U', status_verified = 'N'
where default_period_name in <List of periods in the
corrupt fiscal year starting with the first period in that year
up to the latest open for that encumberance type>
and actual_flag = 'E'
and set_of_books_id = <set of books id which has the corruption>
and je_batch_id in
(SELECT je_batch_id
from GL_JE_HEADERS
where encumbrance_type_id = <Corrupt encumbrance type id>
and actual_flag = 'E'
and set_of_books_id = <Corrupt Set of books Id>
and period_name in <List of corrupt periods starting
with the first period in the corrupt fiscal year
up to the latest open for that encumbrance type>
update GL_JE_HEADERS set status = 'U'
where period_name IN <List of periods in the corrupt fiscal year
starting with the first period in that year up to the latest
open for that encumbrance>
and actual_flag = 'E'
and encumberance_type_id = <Corrupt encumbrance type id>
and set_of_books_id = <Corrupt set of books id>
update GL_JE_LINES
set status = 'U'
where period_name IN <<List of periods in the corrupt fiscal year
starting with the first period in that year up to the latest
open for that encumbrance>
and set_of_books_id = <Corrupt set of books id>
and je_header_id IN
(select je_header_id
from GL_JE_HEADERS
where period_name in <List of periods in the corrupt fiscal
starting with the first period in that year up to the latest
open for that encumbrance>
and actual_flag = 'E'
and encumberance_type_id = <Corrupt Encumbrance Type Id>
and set_of_books_id = <Corrupt Set of Books Id>
7. encumbrance journal 들을 repost 한다.
Example
Reference Documents
Note 99415.1

If you want to load balances at the time of go live.
Create a clearing account like data take over A/c
MM will upload material balances using tcode MB1C and movement type 561
it will generate the following accounting entry
Finished goods stock a/c          Debit
Semi-Finished goods stock a/c Debit
Raw Material stock a/c             Debit
Packing Material stock a/c        Debit
Stores and spares a/c              Debit
Data take over                          Credit
Customer a/c (not recon G/l) Debit
Data takeover a/c                  Credit
Data takeover a/c                Debit
Vendor a/c (not recon GL) Credit
For Asset - tcode OASV
Plant and Machinery a/c          Dr
Accumulated depreciation a/c Credit
Data takeover a/c                    Credit
Cash balance through FBCJ
G/L Tcode F-02,
Data takeover a/c     Debit (Balancing figure)
Bank a/c                    Debit
Advances                 Debit
Share capital a/c       Credit
Short term Loan a/c   Credit
Long term loan a/c     Credit

HOW TO ROLLBACK BUDGET BALANCE

제품 : FIN_GL
작성날짜 : 2005-05-10
HOW TO ROLLBACK BUDGET BALANCE
==============================
PURPOSE
GL Budget Balance 의 Period 설정이 잘 못 되었거나 Budget Balance 가 잘 못 지정되었을 경우에 아래와 같은 step으로 Budget Balance 를 Roll back 한다.
Problem Description
고객이 Budget 화면에서 End Date 설정을 잘 못 하여 Period 가 잘못 지정되었는데 Budget Journal이 생성된 후에 End Date 설정을 강제로 변경 하고자 할 경우나 Budget Balance 자체에 문제가 있을 때 아래와 같은 Step 으로 Rollback 한다.
Solution Description
Step 1. 관련 데이타는 미리 Back up 받아 놓는다.
Step 2. Delete 할 Period를 결정한다.
Step 3. GL_BALANCES table에서 해당 period 의 budget balance 를 Delete 한다.
DELETE from GL_BALANCES
where set_of_books_id = <set of books id which has the corruption >
and actual_flag = 'B'
and budget_version_id = <Budget version id of the corrupt budget >
and period_year >= <Fiscal year which has the corruption >
Step 4. Journal Statuses 를 Update 한다.
UPDATE GL_JE_BATCHES set status = 'U', status_verified = 'N'
where default_period_name in <List of periods in the
corrupt fiscal year starting with the first period in that year
up to the latest open for that budget>
and actual_flag = 'B'
and set_of_books_id = <set of books id which has the corruption>
and je_batch_id in
(SELECT je_batch_id
from GL_JE_HEADERS
where budget_version_id = <Corrupt budget version id>
and actual_flag = 'B'
and set_of_books_id = <Corrupt Set of books Id>
and period_name in <List of corrupt periods starting
with the first period in the corrupt fiscal year
up to the latest open for that budget>
UPDATE GL_JE_HEADERS set status = 'U'
where period_name IN <List of periods in the corrupt fiscal year
starting with the first period in that year up to the latest
open for that budget>
and actual_flag = 'B'
and budget_version_id = <Corrupt budget version id>
and set_of_books_id = <Corrupt set of books id>;
update GL_JE_LINES set status = 'U'
where period_name IN <<List of periods in the corrupt fiscal year
starting with the first period in that year up to the latest
open for that budget>
and set_of_books_id = <Corrupt set of books id>
and je_header_id IN
(select je_header_id
from GL_JE_HEADERS
where period_name in <List of periods in the corrupt fiscal
starting with the first period in that year up to the latest
open for that budget>
and actual_flag = 'B'
and budget_version_id = <Corrupt budget version Id>
and set_of_books_id = <Corrupt Set of Books Id>
Step 5. Latest Open Budget Period 를 update 한다.
UPDATE GL_BUDGETS
set latest_opened_year = <Year prior to the corrupt fiscal year>,
last_valid_period_name = <last period for the year prior to the
corrupt fiscal year>
where budget_name = <Budget name of the corrupt budget>
and budget_type = 'standard'
and set_of_books_id = <Corrupt set of books id>;
DELETE from GL_BUDGET_PERIOD_RANGES
where budget_version_id = <Corrupt budget version id>
and period_year = <Corrupt budget fiscal year >;
Step 6. Budget Year 를 Reopen한다.
GL Responsibility 로 Applications에 접속하여 Budget Year를 Open
Step 7. Budget Journals 을 Repost 한다.
해당 Budget Journals 를 Repost 처리 한다.

If you want to load balances at the time of go live.
Create a clearing account like data take over A/c
MM will upload material balances using tcode MB1C and movement type 561
it will generate the following accounting entry
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Semi-Finished goods stock a/c Debit
Raw Material stock a/c             Debit
Packing Material stock a/c        Debit
Stores and spares a/c              Debit
Data take over                          Credit
Customer a/c (not recon G/l) Debit
Data takeover a/c                  Credit
Data takeover a/c                Debit
Vendor a/c (not recon GL) Credit
For Asset - tcode OASV
Plant and Machinery a/c          Dr
Accumulated depreciation a/c Credit
Data takeover a/c                    Credit
Cash balance through FBCJ
G/L Tcode F-02,
Data takeover a/c     Debit (Balancing figure)
Bank a/c                    Debit
Advances                 Debit
Share capital a/c       Credit
Short term Loan a/c   Credit
Long term loan a/c     Credit

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