RAC & Db upgrade

Hi,
I have 10.1.0.4 rac & db on aix with 2 nodes.I will upgrade these to latest version 11.2.0.3. does this action plan have true approach for upgrade ? By this action plan i think that i do not upgrade cluster site.
1. Take db to non-rac
2. Upgrade db to 11.2.0.3 without rac upgrade.
3. fresh install 11.2.0.3 of cluster
4. register upgraded db to new cluster
Thanks.

Hi;
I agree Dmorgan. It seems best way to install 11.2.0.3 wiht lastest PSU than use rman or datapump.
You may want to review below note also:
Minimizing Downtime During Production Upgrade [ID 478308.1]
Master Note For Oracle Database Upgrades and Migrations [ID 1152016.1]
Different Upgrade Methods For Upgrading Your Database [ID 419550.1]
PS:Please dont forget to change thread status to answered if it possible when u belive your thread has been answered, it pretend to lose time of other forums user while they are searching open question which is not answered,thanks for understanding
Regard
Helios

Similar Messages

Rac 10gr2 upgrade

Hi experts,
We are prototyping RAC database upgrade from 10.1.0 to 10.2.0.4. I just created a new directory as 10.2.0 ORACLE_HOME. Since the 10gr1 database is running, all the environmental variables set by login profile point to the current 10.1.0 database configuration. Need advice on a few of questions:
1) At this point, I only want to use OUI to install 10gr2 binaries, and 10.2.0.4 binaries. Thought I could just kick off runInstaller to get it done. However, after reading Oracle documentation and a few articles, I am not sure if I should set any environmental variables.
One article recommends
. set ORACLE_BASE=/u01/app/oracle
. set ORACLE_SID=orcl1 # Each RAC node must have a unique Oracle SID!
. set LD_LIBRARY_PATH=$ORACLE_HOME/lib
. unset ORACLE_HOME
Others:
. set ORACLE_HOME
. set PATH
. set LD_LIBRARY_PATH
. set ORA_CRS_HOME
. unset TNS_ADMIN
I know I need to have all of them set properly prior to 10gr2 upgrade. Do I need to set any of them at all just to install 10gr2 binaries and patchset via OUI? If so, which ones?
2) There are a few 10.2.0.4 patches needed to be opatch applied to each cluster node.
I noticed some of the post processing involves sql executions via sqlplus.
My guess is to withhold these sql command steps temporarily, and execute them after upgrade to 10.2.0.4 completes. Is this the correct interpretation of the patch application?
Thanks, Newbie

There is a CRS PSU for CRS 10.2
Patch# 8705958 - 10.2.0.4.2 for CRS PSU 2
Should the PSU should be applied to CRSprior to database upgrade from 10.1 to 10.2? Can it be applied after the upgrade? What is the general guideline on this?
Thanks.

Oracle 11gR2 rac database upgrade

Hi,
I need to upgrade Oracle 11.2.0.3 rac db (TB) to 11.2.0.4 in unix environment
database is 2 node rac with asm file structure. oracle home is shared by multiple databases.
Could anyone guide for best approach to proceed with this upgrade?
What changes are need to done in existing 11g cluster home and asm structure for this successful upgrade?
Thanks

Hi,
For Grid Upgrade you find complete details at - Things to Consider Before Upgrading to 11.2.0.3/11.2.0.4 Grid Infrastructure/ASM (Doc ID 1363369.1)
For DB Upgrade following note can help. You need to select the option 3 for RAC DB.
Troubleshooting Assistant: Oracle Database/Client Upgrade - Downgrade (Doc ID 1561791.2)
HTH,
Pradeep

10.2.0.4 RAC / OCFS2 upgrade to 11g R2 RAC / ASM

We are in the planning phase of an upgrade from 10.2.0.4 RAC on OCFS2 Cluster to an 11g R2 RAC and ASM. Is there documentation that will guide me in the best possible and least problematic direction? I have recently moved into the DBA world from a Senior Developer position so my questions might be fairly beginner and I apologize for that now. What I am thinking I would do is create a new RAID10 partition on our SAN and have my ASM disks there. Once the 11g database is installed and configured my plan was to take the current database out of service, back it up, and then recover to the 11g ASM ... is this possible when coming from OCFS2? Additionally I have found the certification matrix in support.oracle.com but that seems to be only a certification of the database against a specific OS ... is there a certification matrix for the hardware I will be installing this on especially my QLogic Infiniband HCA and the firmware version there on.

You should try this question on the Database Upgrade forum here. http://goo.gl/hOYZ

RAC node upgrade issue

We have our company's database on Oracle Real application clusters database consisting of two RAC nodes. We would like to perform some hardware upgrades on both the RAC nodes. Could anyone please tell if it is OK to shutdown one instance at a time and remove all the network/interconnect cables from it and at the same time the other RAC node keeps working. After one node is upgraded and all the network/interconnect cables are connected back to it, will everything be just OK like before or are there are certain things to be cautious about ?
Thanks in advance

I think you got to do a clean shutdown so that it does not require any instance recovery when you re-open the database
SQL>SHUTDOWN TRANSACTIONAL
would allow all the current transactions to complete then shutdown the db

RAC rolling upgrade

Hi all
I'm performing rolling upgrade of cpu patch at rac environment
I open a connection to the database (using service) and it connects to the first node. Then I shutdown the first node to perform an upgrade and check the connection, but it doesn't switch to the second node automatically, but returns TNS error. What about if it's a production database and there're a lot of online scripts running on that node?
However, I tried it again and it automatically switched wihout any error. What can be reason?
thanks
John

Agreed... use the -local option and do each node individually.
11gR2? If you have TNS issues, it is indicative of an improperly configured local/remote_listener or SCAN on one or more nodes. Sometimes when additional nodes are added, these parameters may not necessarily be correct.

Using rac during upgrade

Dear All,
We need to do our production 11i upgrade to 12.1.3 . Now, in this scenario , during the upgrade process, I need to lay the r12 file system in the new application server.
We have RAC in production, now how do I install R12 with pointing to both instances of RAC ? . SO, if not possible, during this time,
If, when running the upgrade driver, how can I change the connection string to point to both the instances ?
Please advise

We need to do our production 11i upgrade to 12.1.3 . Now, in this scenario , during the upgrade process, I need to lay the r12 file system in the new application server.
We have RAC in production, now how do I install R12 with pointing to both instances of RAC ? . SO, if not possible, during this time,
If, when running the upgrade driver, how can I change the connection string to point to both the instances ?Rapid Install 12.1.1 doesn't support RAC installation, so you need to shutdown all instances and keep one up, lay down the software and do the upgrade, then once the upgrade is done bring the remainings instances up.
Oracle E-Business Suite Release 12 High Availability Documentation Roadmap [ID 1072636.1]
Thanks,
Hussein

RAC - hardware upgrade

Env:
10.2.0.4 with ASM
RedHat Linux
We are planning to replace hardware (no DB upgrade but with a Linux OS upgrade RH-4 to RH-5 ) for our RAC database. It appears I have to add new nodes, and remove the existing to accomplish this.
So if I have four existing RAC nodes :a,b,c,d and the replacement new nodes are: aa,bb,cc,dd
then
-add aa,bb,cc,dd
-shutdown a,b,c,d
-Make sure things are fine, which may mean running it for a week (rollback is easy , shut the new bring up the old).
-drop a,b,c,d
RAC is now made up of aa,bb,cc,dd
And if we were to retain the same host names, since RAC host name (public) cannot be changed, I have to go through another iteration of delete-node and add-node. Something like :
drop aa
rename host aa as a
add a
All changes will be done in a maintenance window. Any suggestions or comments?
Thanks
-Madhu

I have not considered DG, because it requires double the storage (our DB size is 5TB) , plus you have to consider licensing costs. The rollback should be easy for my approach too - just shutdown the new cluster , and fall back to old. I don't plan on removing old cluster nodes until about a week of successful running on new cluster.
Re the raw device deprecation, the only thing that should impact us is the OCR, Voting disk, which we can move it to Netapps NFS if needed. I will let my sysadmin worry about it.
I have checked with Oracle support, and the analyst agrees with my approach (not sure how qualified he is though :-( ) . Surprisingly, judging by the information on Metalink or internet, very few seem to have upgraded h/w on RAC.
Thanks for your input.
-Madhu

Upgrade from 10.1.0.5 to 10.2.0.3 in RAC system / What about ASM ?

Hi,
I have trouble finding this information but answer may be simple.
We have customers running 10gR1 and we would like to upgrade them to 10gR2 (10.1.0.5 -> 10.2.0.3)
These are cluster configurations with ASM.
I've found interesting documents about 10gR2 upgrade but most of them are about a non RAC database upgrade.
So far I've planned to upgrade the clusterware first using rolling upgrade following doc ID 338706.1 and then upgrade the RAC database following doc ID 316889.1.
But reading these notes, I'm still wondering about the ASM instance.
1/ When do I need to upgrade it ?
2/ How does the RAC database upgrade procedure accesses the datafiles if ASM instance is down ?
3/ How does the procedure upgrades ORACLE_HOME if ASM instance is running ?
4/ ???
Thanks in advance.
Edited by: user10797640 on Jan 15, 2009 2:09 AM
Edited by: user10797640 on Jan 15, 2009 2:10 AM
Edited by: user10797640 on Jan 15, 2009 4:51 AM

You can follow the same upgrade method that you can use for single database for asm also.
regards
Pravin

RAC upgradation 9i to 11g R2

Hi,
I have been given the requirement to migrate a 9i RAC 3 node database( 9i cluster) to 11g R2 RAC database iam looking for a document or steps to do this activity. any help on this is highly appreciated.
should I upgrade the cluster first and then upgrade each node one by one or I should upgrade the cluster and upgrade all the home in one go ?
Thanks,
Satish Abraham.J

Hi,
Since you are using RAC database , you need to upgrade Clusterware (11.2.0.3) first , then RAC database upgrade(11.2.0.3).
For RAC Upgrade to 11.2.0.3 we have following options/upgrade_methods available:-
+1.Manual Upgrade (using catupgrd.sql script)+
You have to do this in two steps:-
9.2.0.3 ---->9.2.0.8 ----> 11.2.0.3
+2. Using DBUA (Database Upgrade Assistant)+
+3. Export / Import+
If you have MOS access, then you can refer following Note:-
*Different Upgrade Methods For Upgrading Your Database [ID 419550.1]*
Regards,

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     i. Outline Oracle 10g RAC Installation
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     ii. Install Database software
     iii. Launching VIPCA
     iv. Cluster database creation
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     i. Starting and stopping RAC Instances
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     iii. Adding / Deleting a Node to a Cluster
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     i. Describe Automatic Storage Management (ASM)
     ii. Install the ASM software
     iii. Set up initialization parameter files for ASM
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     iv. Start and shut down ASM instances
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     I. Managing redo log groups in a RAC environment
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     i. Configure database in Archive Log Mode
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Best way to create a 2 node RAC environment from existing setup

Hello all,
I have a 2 node RAC(10.2.0.3) running on Solaris 10 as my Prod Database.
We are planning to have another 2 node RAC for DEV purposes with 10.2.0.3 itself.
[Due to certain reasons this will act as the PROD for few weeks, so we need exact copy of the DB]
I cannot afford any downtime.
i am planning to
Install CRS and upgrade to 10.2.0.3
Install RAC and upgrade to 10.2.0.3
Duplicate the database using RMAN
Are there any better ways that i could replicate the environment either using Grid Control(10.2.0.2) or Dataguard (or anyother) ?
TIA,
JJ

I don't think you're going to achieve no downtime, but if you get the DB copied to the 2nd cluster (using RMAN or whatever method you like) and apply all the logs, then your downtime should be able to be limited to the time it takes to apply the last log or two once you shutdown the primary site (a la Data Guard). That should also allow you to avoid data loss by applying the last logs (you'll likely have to manually copy and apply them). I agree with DbaKerber that using Data Guard may not be a bad solution here. You're not going to get 0 downtime, but I think it would be the safest way to have the shortest downtime window with no data loss.

Best way to create a similar 2 node RAC environment

Hello all,
I have a 2 node RAC(10.2.0.3) running on Solaris 10 as my Prod Database.
We are planning to have another 2 node RAC for DEV purposes with 10.2.0.3 itself.
[Due to certain reasons this will act as the PROD for few weeks, so we need exact copy of the DB]
I cannot afford any downtime.
i am planning to
Install CRS and upgrade to 10.2.0.3
Install RAC and upgrade to 10.2.0.3
Duplicate the database using RMAN
Are there any better ways that i could replicate the environment either using Grid Control(10.2.0.2) or Dataguard (or anyother) ?
TIA,
JJ

I don't think you're going to achieve no downtime, but if you get the DB copied to the 2nd cluster (using RMAN or whatever method you like) and apply all the logs, then your downtime should be able to be limited to the time it takes to apply the last log or two once you shutdown the primary site (a la Data Guard). That should also allow you to avoid data loss by applying the last logs (you'll likely have to manually copy and apply them). I agree with DbaKerber that using Data Guard may not be a bad solution here. You're not going to get 0 downtime, but I think it would be the safest way to have the shortest downtime window with no data loss.

Procedure for migration from 9i Rac to to 11g Rac.

Aim is to upgrade 9i Rac to 11g R1 Rac on Solaris 10.
1) Apply patch on 9i Rac to upgrade it to 11g Rac.
2)Install pre req patches on 9i (Oracle 9.2.0.8)
3) Install 11g Database Binaries. Migrate data of 9i using 11g Software.
Can i use 9i Rman backup to restore and/or recover in 11g? (as recovery is required for a day data).
Please advice me the Best process for the Exercise.
Thanks in advance.
Shekhar

Hi,
4 - Patch clusterware
5 - Create ASM instance
6 - Patch ASM instance
7 - Install DB software
8 - Patch DB software
9 - Run dbca (create DB)
10 - run "crs_stat -t" to check status
you can run cluvfy before or after every step.
11 - migrate old DB to RAC
Regards

10.2.0.4 database upgrade

DB:10.2.0.4
OS:Linux
I have a 2 node RAC 10.2.0.4 database and i am planning to upgrade it to 10.2.0.5 using dbua utility. For upgrading do i need to shuut down one instace and initiate the dbua from the node where one instance is running or it is not required. do i need to make the cluster_database=false or it is not required when using dbua.Please give me the steps or can you please tell me document link.

Hi
http://practicaloracle.com/2011/07/10/rac-database-upgradation-from-10-2-0-4-0-to-10-2-0-5-2/
Please refer
Re: 10.2.0.4 to 10.2.0.5
Regards
Hitgon

RAC & Db upgrade

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