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.

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PATCH Oracle RAC 10gR2 DB on Linux

Hello,
I want to patch 2 node RAC 10gR2 DB (Standard Edition) on SLES 11. I have patched signle instance DB with OPATCH, but never patched RAC DB, kind of very nervous. I am not able to find generally and also from MOS regarding step by step process to patch RAC 10gR2 on SLES OS. In the readme of the Patch, I do not find step by step detail of how to ....regarding RAC. Following is the information regarding the current setup, please have a look and suggest/help me, as it's a production DB and I'm little afraid to Patch it.
I've also other general questions please, like:
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oracle@dba01 [ec]: /home/oracle > echo $CRS_HOME
/oracle/app/11.2.0/grid
oracle@dba01 [ec]: /home/oracle > echo $ASM_HOME
/oracle/app/11.2.0/grid
oracle@dba01 [ec]: /oracle/app/10.2.0/db1/OPatch > opatch lsinventory
Invoking OPatch 11.2.0.1.0
Oracle Database 10g                                                  10.2.0.1.0
Oracle Database 10g Release 2 Patch Set 3                            10.2.0.4.0
There are 2 products installed in this Oracle Home
Rac system comprising of multiple nodes
Local node = dba01
Remote node = dba02
Connected to:
Oracle Database 10g Release 10.2.0.4.0 - 64bit Production
With the Real Application Clusters option
####### According to MOS patch advisor for the DB, found this patch for Linux-x86-64:
Patch 12879929 - 10.2.0.4.11 Patch Set Update ## DATABASE PATCH SET UPDATE 10.2.0.4.11 (PRE-REQ 10.2.0.4.4|INCLUDES CPUJAN2012)
Patch 9352164 - 10.2.0.4.4 Patch Set Update
# Both are in Downloads folder on my local machine.
SYS@rac1p1 AS SYSDBA> select * from registry$history;
ACTION_TIME       ACTION NAMESPACE VERSION   ID COMMENTS   BUNDLE_SERIES
30-MAR-10 07.38.3 APPLY    SERVER 10.2.0.4   6   CPUJan2010   CPU   6.877725 AM
30-MAR-10 07.43.4 CPU                       6452863 view recompilation 5.716832 AM
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/oracle/app/11.2.0/grid
oracle@dba01 [ec]: /oracle/app/11.2.0/grid/OPatch > opatch lsinventory
Patch 9352191      : applied on Mon Jun 14 22:28:04 CEST 2010 # Latest patch installed ..
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# I was looking at srvctl and crsctl,etc commands....I am little confused between these both type of command to perform ...like to Shutdown instances,services,listener,nodes,etc...what commands do I need for this process, please?
Bundle of thanks.
Regards

Hello,
Thanks for the reply.
What I noticed before that as ASM-GI has same home, so I need to apply one patch for that. After your reply I am planning to do it like that only.
As I have posted in my main post the versions of patches to apply for Oracle Home. That seems somehow clear to me what to apply and,etc. Can you please suggest which Patch or how to find/select next patch version to apply to ASM/GI home please?
When we select PATCH ADVISOR from MOS, for example in case of DB home, I select DB,Enterprise,Standard editio,9i,10g,11,d, OS Linux-x64,10.2.0.4. DB,OS version etc is OK, but I am confused what to select from that first drop down menu in order to select patch version for ASM/GI ??
@onedba
I am planning to Patch not upgrade.
Thanks and regards.

IBM's GPFS for REHL4/5 and a single instance (non RAC) 10gR2 environment

I've looked high and low for a clear support statement of IBM's GPFS for RHEL4 or RHEL5 in a non RAC 10gR2 implementation. Does anybody have a pointer that would explain Oracle's support or lack there of?
Thank you,
Martha C.

For RHEL O/S level issues, there would be no support. You would need a ULN support license for generic O/S questions and you would need to switch to OEL.
For non-ULN customers with a database CSI, O/S level support is provided only on issues specifically related to the OCFS2 or ASMLib packages; for generic O/S questions you would need a ULN license.
Perhaps folk over in the DATABASE forum could clarify Oracle's RDBMS support policy for this environment, but succinctly: no O/S support without a ULN license, subject to directly-related OCFS2/ASMLib issues.

Java application (tomcat) and Oracle RAC 10gR2

Hi, I have an Oracle RAC 10gR2 (10.2.0.3) on Suse Linux Enterprise Server (3 nodes).
I have several application running on tomcat 5.X and tomcat 6.X with java 1.5 and java 1.6. Sometimes, because of hardware fail, network problems,... one of the nodes fails, and then the other 2 nodes still working and my database is up. However, the most of applications lose the connection with the database, and I must to restart the tomcat. I want to have a system more reliable and robust, and I want to prepare the tomcat's and java application for prevent it. I have read the http://drdobbs.com/java/222700353?pgno=1 and http://db360.blogspot.com/2007/01/is-your-java-application-failoverproof.html. I've been tried the example of the first url, but I don't connect with my database. However, I've probe the sample on another oracle rac (10.2.0.4) and it works. In the samples, it use the ucp.jar (11g) and ons.jar (10g) and ojdbc6.jar (11g driver).
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Thanks you very much!!.

The best solution for your problem is ORACLE SUPPORT.. Please raise an SR and coordinate with them.. GoodLuck!

RAC 10gR2 (10.2.0.4) certification with RHEL5 (5.3).

Hi,
Shall I go with RAC 10gR2 with Red Hat linux 5.3?
I am trying to search in the metalink but not able to get any information, giving me no result found.
Really appritiated if anyone can answer.
Regards

Hi,
Its certified.. please check on metalink..
below is detail from metalink..
OS Products Certified With Version Status
Oracle Enterprise Linux 5 10gR2 64-bit Oracle Clusterware 10g Certified
Oracle Enterprise Linux 4 10gR2 64-bit Oracle Clusterware 10g Certified
Red Hat Enterprise 5 10gR2 64-bit Oracle Clusterware 10g Certified
Red Hat Enterprise Linux AS/ES 4 10gR2 64-bit Oracle Clusterware 10g Certified
Regards
Rajesh

Raw devices versus Cluster File Systems in RAC 10gR2

Hi,
Does anyone using cluster file systems in a RAC 10gR2 installation, specifically IBMs GPFS?
Ive visited a company that is running RAC 10gR2 in AIX over raw devices. Why someone would choose to use raw devices , with all the problems to administer , when all the modern file systems are so powerful? Is there any issues when using cluster file systems + RAC? Is there considerable performance benefits when using raw devices with RAC ?
I´ve always used Oracle stand alone instances over file systems (since version 7) , and performance was always very good. I´ve tested raw devices almost 10 years ago , and even in that time (the hardware today is much better - SAN , 15K rpm disks , huge caches - and the file systems software today is much better) the cost to administer it does not compensate the benefits (only 5% more faster than file systems in Oracle 7).
So , besides any limitations imposed by RAC , why use raw devices nowadays ?
Regards,
Antonio Belloni

Hi,
spontaneously, my question would be: How did you eliminate the influence of the Linux File System Cache on ext3? OCFS2 is accessed with the o_direct flag - there will be no caching. The same holds true for RAW devices. This could have an influence on your test and I did not see a configuration step to avoid it.
What I saw, though, is "counter test": "I have tried comparing simple file copies from an OS level and the speed differences are not apparent - so the issue only manifests itself when the data is read via an oracle db." and I have no good answer to that one.
Maybe this paper has: http://www.oracle.com/technology/tech/linux/pdf/Linux-FS-Performance-Comparison.pdf - it's a bit older, but explains some of the interdependencies.
Last question: While you spent a lot of effort on proving that this one query is slower on OCFS2 or RAW than on ext3 for the initial read (that's why you flushed the buffer cache before each run), how realistic is this scenario when this system goes into production? I mean, how many times will this query be read completely from disk as opposed to use some block from the buffer? If you consider that, what impact does the "IO read time from disk" have on the overall performance of the system? If you do not isolate the test to just a read, how do writes compare?
Just some questions. Thanks.

Using Oracle SE RAC 10gR2 or 11gR2 on NetApp NAS

Hi,
I'd like to know if Oracle certifies Oracle SE RAC 10gR2 or 11gR2 on NAS storage like NetApp FAS2552A dual controller, 24 x 900 GB SAS, 8x 10GbE + 4x 1GbE, 7-
mode, iSCSI, CIFS, NFS, FCP.
I have read some documents by Oracle and, in my opinion, it seems that the best approach is: NetApp NAS with iSCSI.
Reading NetApp documentation it seems that NetApp NAS has a proprietary protocol to manage storage (ONTAP ?).
Is the NetApp approach to manage storage for Oracle RAC a certified solution ?
Thank you very much

I run Oracle RAC on NetApp without any problems. I suggest you work with NetApp. They will be able to answer questions about their specific hardware. They also have documentation on how to configure their disk solution specifically for Oracle RAC databases.
HTH,
Brian

High parsing with Siebel and Oracle RAC 10gR2

Hi all,
I'm working for a company that uses Siebel 8 with a 2 nodes RAC 10gR2. 70GB SGA with assured minimum values for shared pool 16GB, 50GB db buffer cache and the rest distributed among the other pools.
In the last weeks we are facing a very annoying issue in our production system, at random times we have a very high concurrency peak with contention events like:
- cursor: pin S wait on X
- latch: library cache
and a performance problem as a consequence.
I have read all the documents on metalink about these types of waiting events and how to troubleshoot it, but I can't get rid of this problem.
We have dynamic SGA configured, but we haven't had any resizes in the last weeks.
We didn't have many "version count" for query, we are about <40.
In the AWR I have noticed that we have very high parsing (in most cases query execute=query parse). We have talked to our Siebel support team to propose them the use of CURSOR_SHARING=FORCE, but they told us that it's unsupported.
We have increased the parameter session_cached_cursors from 50 to 1000, but in the last days the problem has even got worse.
I suppose that the solution could be reducing the parse count and elapsed parse time, but without changing the CURSOR_SHARING parameter and not much help from Siebel support, I don't know how to achieve this.
Does anyone have any idea?

The only way you can reduce the number of parses is to fix Siebel (in other words - not much you can do).

Hardware (storage) consideration for RAC 10gR2?

Dear experts!
We have to implement availibility for our database at a customer - RAC 10gR2. We don't have really high database workload and large amount of data (max. 30 GB).
So I would prefer a 2 node RAC. What are the requirements for such a "low level" RAC - specially for storage? The two nodes are in different rooms so I need 2 "storage devices" to be safety against fire.
We have to use:
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- Oracle Standard Edition --> ASM
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Thanks
Markus

jymarkusg wrote:
Do you mean if I have a two node cluster and one node fails my whole cluster is offline? In comparison to a three node cluster this works how? Could you please give me more detailed information about this?No, that's not what I meant. I was talking about potentially split brain problems. 2 nodes looses communication with one another. How does a node now know whether it is at fault, or the other node? Does it restart or not?
That said - one of the RACs we have, is a small 2 node RAC. And I bet there are many more like that out there. So it used. However... I would prefer to have at least 3 nodes.
One problem for example is failover load. Simplistic example. When 1 node fails, its processes fails over to the other node. Assuming an even spread of all processes, the other node now gets a 100% load increase. This can be nasty if the remaining node is not fully able to deal with that increase. In a 3 node setup, the remaining 2 nodes would have dealt with an easier managed 50% load increase.
I don't agree with you that linux is cheaper - it depends on the customer's infrastructure. It doesn't make sense to run a linux server in an only windows environment with only windows administrators! And oracle is available for many platforms, so this restriction shouldn't be a problem.People can learn. In fact, I would expect that administrators would want to expand their knowledge. That is IMO not the primary deciding factor. Linux is by far more a capable o/s in the cluster environment. One only have to look at the top 500 clusters in the world. 443 of these are running Linux. That is 88.6% of the biggest and baddest clusters in the world. How many are running Windows? A measly 5 clusters.
No comparison. No contest.
Dataguard was already in evolution - but therefor I need oracle enterprise edition. RAC in standard edition is for free (with the limitation of 4 nodes and 4 cpus - but this should meet our requirements :-)).Never done a SE RAC. Even our small 2 node baby RAC is a TB database. Creating a RAC for a 30GB database..? I'm not sure what the expectations are. This is really a minute database and can be full cached in server memory. Can easily be virtualised (and with that, fallen over between machines). So ito of performance, scalability and even redundancy, there are a number of other options besides RAC.
For interconnect I would use gigabit as minimum.I personally recommend using Infiniband. GigE is at its maximum. Ceiling has been reached. IB QDR is now available and provide 40Gbit pipes. When running IPoIB, you can have 65K MTU, aka super jumbo frames. Or, using Oracle 11g, you can use RDS instead which is a lot faster than IP.
As far as I see the biggest problem is the storage...Ito costs for a low cost solution, yep. Especially when only needing a few GB of storage as oppose to a few TB. And instead, the money spend on this, could perhaps be far better spend on a virtualised solution.

RMAN-06747: at least 1 channel of tertiary storage - RAC 10gR2 and DataProt

Hello,
I try to set DataProtector 6 with Oracle RAC 10gR2 (10.2.0.4) in HP-UX 11.31.
When I run the following command in RMAN, i have the error:
RMAN-06747: at least 1 channel of tertiary storage must be allocated to execute this command.
The statement is:
run {
allocate channel 'dev_0' type 'sbt_tape'
parms 'ENV=(OB2BARTYPE=Oracle8,OB2APPNAME=prueba,OB2BARLIST=prueba_servicio_vip)' CONNECT 'user/password@instance1';
allocate channel 'dev_1' type 'sbt_tape'
parms 'ENV=(OB2BARTYPE=Oracle8,OB2APPNAME=prueba,OB2BARLIST=prueba_servicio_vip)' CONNECT 'user/password@instance2';
sql 'alter system archive log current';
backup incremental level <incr_level>
format 'prueba_servicio_vip<prueba_%s:%t:%p>.dbf'
database;
backup
format 'prueba_servicio_vip<prueba_%s:%t:%p>.dbf'
recovery area;
backup
format 'prueba_servicio_vip<prueba_%s:%t:%p>.dbf'
archivelog all;
backup
format 'prueba_servicio_vip<prueba_%s:%t:%p>.dbf'
current controlfile;
I appreciate the help.
Regards,
Miguel

Rober,
SBT backups are not automatically removed by ORACLE. Only disk based backups that are in flash recovery area are automatically purged.
You need to delete them manually as in DELETE NOPROMPT OBSOLETE DEVICE TYPE SBT;
However, the good news is: your RETENTION POLICY is respected by SBT backups, so you do not need to specify "SBT-only" retention (unless you want to).

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

Uninstall & Reinstall RAC (10GR2) on Solaris 10 SPARC

Hi,
I'm trying to install 2 node RAC. I got below errors while executing "root.sh" at the end of installation on both nodes.
[client(19083)]CRS-1011:OCR cannot determine that the OCR content contains the latest updates.
Oracle Database 10g CRS Release 10.2.0.1.0 Production Copyright 1996, 2005 Oracle. All rights reserved.
2011-06-09 18:37:58.698: [ OCRCONF][1]ocrconfig starts...
2011-06-09 18:37:58.701: [ OCRCONF][1]Upgrading OCR data
2011-06-09 18:37:59.363: [ OCRRAW][1]propriogid:1: INVALID FORMAT
2011-06-09 18:37:59.363: [ OCRRAW][1]proprioini: disk 0 (/dev/rdsk/emcpower5e) doesn't have enough votes (1,2)
2011-06-09 18:37:59.376: [ OCRRAW][1]proprinit: Could not open raw device
2011-06-09 18:37:59.376: [ default][1]a_init:7!: Backend init unsuccessful : [26]
2011-06-09 18:37:59.377: [ OCRCONF][1]Exporting OCR data to [OCRUPGRADEFILE]
2011-06-09 18:37:59.377: [ OCRAPI][1]a_init:7!: Backend init unsuccessful : [33]
2011-06-09 18:37:59.377: [ OCRCONF][1]There was no previous version of OCR. error:[PROC-33: Oracle Cluster Registry is not configured]
2011-06-09 18:37:59.393: [ OCRRAW][1]propriogid:1: INVALID FORMAT
2011-06-09 18:37:59.393: [ OCRRAW][1]proprioini: disk 0 (/dev/rdsk/emcpower5e) doesn't have enough votes (1,2)
2011-06-09 18:37:59.394: [ OCRRAW][1]proprinit: Could not open raw device
2011-06-09 18:37:59.394: [ default][1]a_init:7!: Backend init unsuccessful : [26]
2011-06-09 18:37:59.409: [ OCRRAW][1]propriogid:1: INVALID FORMAT
2011-06-09 18:37:59.409: [ OCRRAW][1]proprioini: disk 0 (/dev/rdsk/emcpower5e) doesn't have enough votes (1,2)
2011-06-09 18:37:59.410: [ OCRRAW][1]proprinit: Could not open raw device
2011-06-09 18:37:59.410: [ OCRAPI][1]a_init:6b!: Backend init unsuccessful : [26]
2011-06-09 18:37:59.410: [ OCRCONF][1]Failed to initialized OCR context. error:[PROC-26: Error while accessing the physical storage]
2011-06-09 18:37:59.411: [ OCRCONF][1]Exiting [status=failed]...
The permissions for OCR disks on both the nodes were "root:dba" and the disks was accessible across the nodes.
I'm not sure why we got that error.
To over come it, I'm going as below:
- rootdelete.sh on both nodes
- rootdeinstall on node 1
- uninstall using OUI
- remove /var/opt/oracle/*
- remove oracle_home
- remove oraInventory
- format the disks
- reboot the nodes.
Just wanted to know if there's something else that should be done.
thanks

I strongly advise against uninstalling Clusterware without first making a serious attempt to troubleshoot what went wrong and trying to fix the errors. If you unistall and retry without knowing what to do differently, you will have hardly any choice but to repeat the same steps that led to the errors in root.sh
>
The permissions for OCR disks on both the nodes were "root:dba" and the disks was accessible across the nodes.
>
That could be your error right there. The installation instructions say to put the voting disk in the dba group, but to put the cluster registry in the oinstall group. Quoting from page 4-7 of the Clusterware and RAC installation guide:
http://download.oracle.com/docs/cd/B19306_01/install.102/b14205.pdf
>
– The voting disk is a partition that Oracle Clusterware uses to verify cluster
node membership and status.
The voting disk must be owned by the oracle user, must be in the dba group,
and must have permissions set to 644. Provide at least 20 MB disk space for
the voting disk.
– The Oracle Cluster Registry (OCR) contains cluster and database configuration
information for the RAC database and for Oracle Clusterware, including the
node list, and other information about cluster configuration and profiles.
The OCR disk must be owned by root, must be in the oinstall group, and
must have permissions set to 640. Provide at least 100 MB disk space for the
OCR.

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

OEM 10g R2(10.2.0.1.0) and Two node RAC 10gR2 (10.1.0.4.0) as target

Hi;
Did any one installed OEM 10gR2 (10.2.0.1.0 ) agent on RAC cluster, and was discovered by OEM successfully?
What are the pre-requisite on RAC cluster so it can be monitored by OEM?
Any kind of help will be appreciated in advance.
Prakash Patel

875410 wrote:
Hi,
Download from this site(*10201_database_win32.zip*). When install Oracle 10g Relese2 10.2.0.1.0 in Windows 7 Enterprise 32bits. I check the version of SQL Plus installed and shows the following:
SQL * PLUS: RELEASE 10.2.0.1.0 - Production on [date]
Copyright (c) 1982, 2005, Oracle. All rigths reserved
connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production With the Partitioning, OLAP, Data Mining and Real Application Testing options
Why the version installed Oracle Database 10g Enterprise Edition Release is 10.2.0.4.0 - 64bit?
How to fix this problem?
Thank you for your information.Looks like you are connecting to a database running from a different oracle home (maybe even a different box) than where you installed your 10.2.0.1.

Oracle 10gr2 upgrade to Version 10.2.0.3.0

dear gurus
i install new window 2003 machine oracle 10gr2, where i upgrade Version 10.2.0.3.0 after this.
now sqlplus, lisenter shows correct version however when i connect to emctl enterprise manger over web it shows wrong database version Version 10.2.0.1.0
when i do query sql
select * from v$versions;
SQL> select * from v$version;
BANNER
Oracle Database 10g Enterprise Edition Release 10.2.0.3.0 - Prod
PL/SQL Release 10.2.0.3.0 - Production
CORE 10.2.0.3.0 Production
TNS for 32-bit Windows: Version 10.2.0.3.0 - Production
NLSRTL Version 10.2.0.3.0 - Production
advise me what should check or sort this issue
thanks in advanced
your student

select *
from dba_registry
where comp_id = 'EM'; -- check the OEM version
select *
from dba_registry;
Regards
Asif Kabir
learn786
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-- Mark your helpful post as correct/helpful and close all the answered threads.

Rac 10gr2 upgrade

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