Patchset on Oracle RAC

Hi.
We have a 10.2 RAC installation (2 nodes).
Each node has 2 Oracle Homes (db and crs).
Do I need to apply the patchset twice (1 time for each home)?
Thanks in advance.

So you are not doing rolling patches. That is what he was getting at. You are shutting everything down.
Patch CRS and then the DB.
You will have to also issue the crsctl stop crs as root and after it is patched issue crsctl start crs on both nodes.

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CRS10g patchset을 적용한 이후 Veritas SF Oracle RAC 관련 MODULE

Problem Description
다음은 SF(Storage Foundation) Oracle RAC를 구성하기 위하여 Oracle CRS
PATCHSET 등을 적용하기 전에 SF Oracle RAC Veritas libraries 를 ORACLE_HOME에 설치해야 한다는 내용입니다.
또한, ORACLE CRS 패치 Version 을 올리면서 Veritas 쪽 관련하여 필요한
Veritas skgxp module 등이 설치 과정에 빠져 있거나 Veritas library file들이 overwrite되어 에러를 만나는 경우를 볼 수 있습니다.
이런 관점에서 Veritas storage foundation 을 설치하고 oracle CRS stack을
설치 또는 갱신하는 과정에서 만날 수 있는 에러에 대해 원인 및 해결방안을 알아봅니다.
에러 증상
다음은 CRS 10.2.0.3.0 Patchset이 설치되면서 Veritas library가 overwrite 되면서 발생하는 에러임.
Veritas clusterware 5.0 not recognized by Oracle due to the fact that Veritas libraries over written with crs 10.2.0.3.0 patchset installation.
The cssd.log shows:
[ CSSD]2007-11-08 03:28:02.603 [5] >TRACE: clssnm_skgxnmon: skgxn init failed,
rc 1 [ CSSD]2007-11-08 03:28:02.603 [1] >TRACE: clssnm_skgxnonline: Using vacuous skgxn monitor [ CSSD]2007-11-08 03:28:02.604 [1] >TRACE:
clssnmNMInitialize: misscount set to (30), impending reconfig threshold set to
(26)
The cssd.log should show this
[CSSD]2007-09-20 14:14:06.008 [5] >TRACE: clssnm_skgxninit: initialized
skgxn version (2/0/Veritas Cluster Server MM <<== USING VERITAS SKGXN LIBRARY
Changes
CRS patchset 의 installation 이후에 Veritas library file들이 overwrite되는 문제 발생.
Explanation
Environment :
Oracle Server - Enterprise Edition - Version: 10.2.0.3.0
OS : Solaris Operating System (SPARC 64-bit)
이 예제는 sun os에 근거함.
OS에 따라 해결책이 약간 다를 수는 있습니다.
원인
새로운 CRS patch 관련 변경이 있은 이후에 Veritas SFRAC 관련 module이 인식되지 못하는 문제 야기됨.
Installing and Configuring SF Oracle RAC Software
Veritas 에서 제공하는 Storage/Clusterware 관련한 절차는 이 문서에서 생략합니다.
Install CD 안의 installsfrac 스크립트 수행 session 에서 RAC software installation을 하는 과정이 들어갑니다.
Veritas가 제공하는 SF Oracle RAC 5.0 installation 문서를 보면 다음과 같은 내용이 포함되어 있습니다.
아래 내용에는 SF Oracle RAC component 들을 설치하는 과정만 기술합니다.
# cd /cdrom/storage_foundation_for_oracle_rac
# .installsfrac -configure
Note: Do not run root.sh yet, but return to the installsfrac session from step 15.
19 In the installsfrac session, press Return. The installsfrac utility now verifies
the database software installation, copies the SF Oracle RAC libraries to $ORACLE_HOME, and relinks Oracle on each node in the cluster.
다음은 위와 같은 installsfrac 스크립트를 수행한 이후에 Installer가 5.0 SF Oracle RAC library file들을 ORACLE_HOME으로 Copy하는 과정이고, Oracle library file들을 relink합니다.
자세한 절차는 다음의 site에서 step 별로 확인을 할 수 있습니다.
http://ftp.support.veritas.com/pub/support/products/DBE_Advanced_Cluster_for_Oracle_RAC/288502.pdf
[ 참조 ]
Performing Post-upgrade tasks for SF Oracle RAC 5.0 MP1.
To Relink Oracle 10g R1 or R2 using the installer.
installsfrac를 invoke하기 위해 다음과 같이 stage가 있다고 가정하고 invoke를 합니다.
# cd /opt/VRTS/install
# ./installsfrac -configure
Oracle environment information verification 과정입니다.
Oracle Unix User : oracle
Oracle Unix Group : oinstall
Oracle Clusterware (CRS) Home: /app/oracle/orahome
Oracle Release: 10.2
Oracle Patch Level: 0.1
Oracle Base: /app/oracle
Oracle Home: /app/oracle/orahome
Is this information correct: [y,n,q] (y)
Verifying binaries in /app/oracle/orahome on galaxy ...ok
Verifying binaries in /app/oracle/orahome on nebula ...ok
Copying SFRAC libskgxn on galaxy ......................ok
Copying SFRAC libskgxn on nebula ......................ok
Copying SFRAC ODM library on galaxy ...................ok
Copying SFRAC ODM library on nebula ...................ok
Copying SFRAC libskgxp on galaxy ......................ok
Copying SFRAC libskgxp on nebula ......................ok
Relinking Oracle on galaxy ............................ok
Relinking Oracle on nebula ............................ok
Oracle Relinking is now complete.
Solution Description
Article
http://seer.entsupport.symantec.com/docs/288502.htm
다음은 CRS patchset 적용 후, 문제 해결 위해 Oracle 10g 를 manual 하게 relink하는 과정입니다.
방법1. Relinking Oracle 10g (Using the command line)
[ 10g R1 ]
For Oracle 10gR1, enter one set of the following commands
a. For 32bit oracle:
# cp /opt/VRTSvcs/rac/lib/libskgxn2_32.so
/opt/ORCLcluster/rac/lib/libskgxn2.so
$ cp /opt/VRTSvcs/rac/lib/libskgxp10_ver23_32.so
$ORACLE_HOME/lib32/libskgxp.so
$ ln -s /usr/lib/libodm.so libodm10.so
b. For 64bit oracle:
# cp /opt/VRTSvcs/rac/lib/libskgxn2_64.so
/opt/ORCLcluster/rac/lib/libskgxn2.so
$ cp /opt/VRTSvcs/rac/lib/libskgxp10_ver23_64.so
$ORACLE_HOME/lib32/libskgxp.so
$ ln -s /usr/lib/amd64/libodm.so libodm10.so
[ 10g R2 ]
For 10gR2, enter one set of the following commands:
a. For 32bit oracle:
# cp /opt/VRTSvcs/rac/lib/libskgxn2_32.so
/opt/ORCLcluster/rac/lib/libskgxn2.so
$ cp /opt/VRTSvcs/rac/lib/libskgxp10_ver25_32.so
$ORACLE_HOME/lib32/libskgxp.so
b. For 64bit oracle:
# cp /opt/VRTSvcs/rac/lib/libskgxn2_64.so
/opt/ORCLcluster/rac/lib/libskgxn2.so
$ cp /opt/VRTSvcs/rac/lib/libskgxp10_ver25_64.so
$ORACLE_HOME/lib32/libskgxp.so
방법2. Relinking Oracle10g (Installer)
위 Article에서 Relinking Oracle 10g after upgrading SF Oracle RAC 부분을 참조하여 해결하는 것도 가능합니다.
여기서 2개의 node name이 galaxy 와 nebula 라고 가정합니다.
1. Invoke installsfrac once again:
# cd /opt/VRTS/install
#./installsfrac -configure
2. Enter the system names when prompted:
Enter the system names separated by spaces on which to configure
SFRAC: galaxy nebula
3. Navigate to the "Install and Relink Oracle" menu.
a. Select the appropriate Oracle 10g version (3):
1) Oracle 10gR1
2) Oracle 10gR2
b. Select "Relink Oracle" (3) from the menu:
1) Install Oracle Clusterware (CRS)
2) Install Oracle RDBMS server
3) Relink Oracle
b) [Go to previous menu]
c. From the menu displayed, enter the required information. For example:
Enter Oracle UNIX user name: (oracle) oracle
Enter Oracle UNIX group name: [b] (oinstall) oinstall
Enter Oracle base directory: [b] /app/oracle
Enter absolute path of CRS Home directory: [b] /app/crshome
Enter absolute path of Database Home directory: [b] /app/oracle/orahome
Enter Oracle Bits (64/32) [b] (64) 64
d. Confirm your responses in the verification screen. The installer copies the SF 5.0 Oracle RAC libraries to /opt/ORCLcluster, where it expects libskgxn.
Oracle environment information verification
Oracle Unix User: oracle
Oracle Unix Group: oinstall
Oracle Clusterware (CRS) Home: /app/crshome
Oracle Release: 10.2
Oracle Bits: 64
Oracle Base: /app/oracle
Oracle Home: /app/oracle/orahome
Is this information correct? [y,n,q] (y)
galaxy
Copying /opt/VRTSvcs/rac/lib/libskgxn2_64.so
/opt/ORCLcluster/lib/libskgxn2.so ........... success
nebula
Copying /opt/VRTSvcs/rac/lib/libskgxn2_64.so
/opt/ORCLcluster/lib/libskgxn2.so .............. success
galaxy
Copying /opt/VRTSvcs/rac/lib/libskgxp10_ver25_64.so to
/app/oracle/orahome/lib/libskgxp10.so ........... success
Removing /oracle/10g/lib/libodm10.so ............ success
Linking /opt/VRTSodm/lib/amd64/libodm.so /app/oracle/orahome/
lib/libodm10.so ... success
Setting permissions oracle:oinstall /app/oracle/orahome/lib/
libskgxp10.so ... success
nebula
Copying /opt/VRTSvcs/rac/lib/libskgxp10_ver25_64.so to
/app/oracle/orahome/lib/libskgxp10.so ........... success
Removing /oracle/10g/lib/libodm10.so ............ success
Linking /opt/VRTSodm/lib/amd64/libodm.so /app/oracle/orahome/
lib/libodm10.so ... success
Setting permissions oracle:oinstall /app/oracle/orahome/lib/
libskgxp10.so ... success
e. Enter "q" at the next prompt to leave the installer now that CRS setup
tasks are complete.
4. Bring the CSSD resource online. Enter:
# hares -online cssd -sys galaxy
# hares -online cssd -sys nebula
5. Confirm that CRS in online. Enter:
$CRS_HOME/bin/crs_stat -t
6. Bring online the oracle resources configured under VCS. If they're directly controlled by CRS, you may run the CRS commands to start the instance.
[ 참고 ]
CRS patch 적용 이후에 HP server와 Veritas 환경에서 CRS stack 이 올라오지
않는 경우를 추가 설명해 봅니다.
참고로, Veritas 쪽에서 Node status를 check해 주는 tool을 제공하고 있고,
CRS의 init.cssd 에서 그 tool을 사용하도록 init.cssd 에 patch가 되어야 한
다는 내용의 문서가 있습니다.
그 작업을 위한 patch를 역시 Veritas에서 제공하고 있습니다.
CRS patchset 이나 CRS 를 위한 cumulative patch를 하기 전에 SFRAC 를 위해
init.cssd에 patch를 적용해야 합니다.
Symptoms
1. postrootpatch.sh hangs when apply a patch[set]
2. prerootpatch.sh hangs when rollback a patch[set]
자세한 사항은 다음의 문서에서 안내하고 있습니다.
http://seer.entsupport.symantec.com/docs/281875.htm
Late Breaking News (LBN) - Updates to the Release Notes for Veritas Storage
Foundation (tm) and High Availability Solutions 5.0 and 5.0 Maintenance
Pack 1
on HP-UX 11iv2 and cross references to product documentation
환경
Veritas on HP server
이 patch 는 HP-UX 11i 에만 해당함.
예방책
Before you run the root.sh script, you need to add the init.cssd.patch.
a. Open another window on the system where you are running the installer
b. Log in as superuser
c. Change to the directory where the patch is to be copied:
For Oracle 10gR1:
# cd $CRS_HOME/css/admin
# cp /opt/VRTSvcs/rac/patch /init.cssd-10gR1.patch .
For Oracle 10gR2:
# cd $CRS_HOME/css/admin
# cp /opt/VRTSvcs/rac/patch /init.cssd-10gR2.patch .
d. Run the following command to install the patch:
For Oracle 10gR1:
# patch < init.cssd-10gR1.patch init.cssd
For Oracle 10gR2:
# patch < init.cssd-10gR2.patch init.cssd
e. Run the root.sh script. For example:
# cd $CRS_HOME
# ./root.sh
This starts the CRS daemons on the node where you enter the command.
References
http://ftp.support.veritas.com/pub/support/products/DBE_Advanced_Cluster_for_Oracle_RAC/288502.pdf
http://ftp.support.veritas.com/pub/support/products/DBE_Advanced_Cluster_for_Oracle_RAC/283979.pdf
http://seer.entsupport.symantec.com/docs/281875.htm
<Note:467753.1> Title : Veritas clusterware 5.0 not recognized by Oracle
due to the fact that Veritas libraries over written with crs 10.2.0.3 patchset installation

Encountered ora-29701 during Sun Cluster for Oracle RAC 9.2.0.7 startup (UR

Hi all,
Need some help from all out there
In our Sun Cluster 3.1 Data Service for Oracle RAC 9.2.0.7 (Solaris 9) configuration, my team had encountered
ora-29701 *Unable to connect to Cluster Manager*
during the startup of the Oracle RAC database instances on the Oracle RAC Server resources.
We tried the attached workaround by Oracle. This workaround works well for the 1^st time but it doesnt work anymore when the server is rebooted.
Kindly help me to check whether anyone encounter the same problem as the above and able to resolve. Thanks.
Bug No. 4262155
Filed 25-MAR-2005 Updated 11-APR-2005
Product Oracle Server - Enterprise Edition Product Version 9.2.0.6.0
Platform Linux x86
Platform Version 2.4.21-9.0.1
Database Version 9.2.0.6.0
Affects Platforms Port-Specific
Severity Severe Loss of Service
Status Not a Bug. To Filer
Base Bug N/A
Fixed in Product Version No Data
Problem statement:
ORA-29701 DURING DATABASE CREATION AFTER APPLYING 9.2.0.6 PATCHSET
*** 03/25/05 07:32 am ***
TAR:
PROBLEM:
Customer applied 9.2.0.6 patchset over 9.2.0.4 patchset.
While creating the database, customer receives following error:
ORA-29701: unable to connect to Cluster Manager
However, if customer goes from 9.2.0.4 -> 9.2.0.5 -> 9.2.0.6, the problem does not occur.
DIAGNOSTIC ANALYSIS:
It seems that the problem is with libskgxn9.so shared library.
For 9.2.0.4 -> 9.2.0.5 -> 9.2.0.6, the install log shows the following:
installActions2005-03-22_03-44-42PM.log:,
[libskgxn9.so->%ORACLE_HOME%/lib/libskgxn9.so 7933 plats=1=>[46]langs=1=> en,fr,ar,bn,pt_BR,bg,fr_CA,ca,hr,cs,da,nl,ar_EG,en_GB,et,fi,de,el,iw,hu,is,in, it,ja,ko,es,lv,lt,ms,es_MX,no,pl,pt,ro,ru,zh_CN,sk,sl,es_ES,sv,th,zh_TW, tr,uk,vi]]
installActions2005-03-22_04-13-03PM.log:, [libcmdll.so ->%ORACLE_HOME%/lib/libskgxn9.so 64274 plats=1=>[46] langs=-554696704=>[en]]
For 9.2.0.4 -> 9.2.0.6, install log shows:
installActions2005-03-22_04-13-03PM.log:, [libcmdll.so ->%ORACLE_HOME%/lib/libskgxn9.so 64274 plats=1=>[46] langs=-554696704=>[en]] does not exist.
This means that while patching from 9.2.0.4 -> 9.2.0.5, Installer copies the libcmdll.so library into libskgxn9.so, while patching from 9.2.0.4 -> 9.2.0.6 does not.
ORACM is located in /app/oracle/ORACM which is different than ORACLE_HOME in customer's environment.
WORKAROUND:
Customer is using the following workaround:
cd $ORACLE_HOME/rdbms/lib make -f ins_rdbms.mk rac_on ioracle ipc_udp
RELATED BUGS:
Bug 4169291

Check if following MOS note helps.
Series of ORA-7445 Errors After Applying 9.2.0.7.0 Patchset to 9.2.0.6.0 Database (Doc ID 373375.1)

Upgrade oracle rac 10g r2 10.2.0.3 to 10.2.0.4

Hi all,
I goint to upgrade oracle rac 10g r2 10.2.0.3 to 10.2.0.4 on Solaris 9, in the README file(patchset) does not say that upgrade the OCR, but int he Doc ID 316889.1 to say; it is necessary to upgrade or nothing happens if Iit does not upgrade?
Mexman
Edited by: ACS on 28/10/2009 12:19 PM

Hi!
I suppose if you have a Metalink note on which explains is necessary update OCR you must follow it. Software maker always are in reason!
Chiao!

Upgrade Oracle RAC 11.1.0.6 to 11.1.0.7, on linux

Hi,
I would just know where I can find a complete guide to upgrade my Oracle RAC 11.1.0.6 to the version 11.1.0.7.
It's running on a RedHat 5 (Linux version 2.6.18-164.10.1.el5)
I think I've first to upgrade the crs, than the database, is it correct?
Thanks in advance,
Samuel

correct,
the steps are always in official guides provided with the patchsets , from My Oracle Support.
https://updates.oracle.com/Orion/Readme/process_form?aru=10498637&no_header=1#CJAEDJAJ
Mind that 11.2.0.2.0 is available.

Upgrade oracle RAC 10.2.0.1 to 10.2.0.4 software only without database

I want to upgrade oracle RAC 10.2.0.1 to 10.2.0.4 software only without database.
In this environment i am using OCFS file system not asm . please send me step to configure.

In other terms its called patchset application into your database home. Go to this note, assuming its linux, and do all steps until step 9 which is database upgrade.
10.2.0.4 Patch Set - Linux x86 64bit README [ID 559255.1]
Regards
Ed

Oracle RAC 10g , is it possible OS different version

Dear all,
we have two node Oracle RAC 10gr2 on Red hat 4. Now the plan is to add a new node to the exising Oracle RAC . The new node is Redhat 5.4.
is it possible to add this node to the existing Oracle RAC.
The only the difference is OS version, existing setup is Redhat 4 and new node having Redhat 5.
Thanks & regards,
Sher khan

Hi,
Oracle documentation says the following:
Oracle Clusterware and Oracle RAC do not support heterogeneous platforms in the same cluster. For example, you cannot have one node in the cluster running Oracle Linux and another node in the same cluster running Solaris UNIX. All nodes must run the same operating system; that is, they must be binary compatible. Oracle RAC does not support machines having different chip architectures in the same cluster. However, you can have machines of different speeds and sizes in the same cluster.
And from Metalink article
Comparison Between Features : RAC, Dataguard, Streams, Advanced Replication and Basic Replication [ID 370850.1]
we can see some additional clarification:
Real Application Clusters (RAC) -
Same OS on all nodes including Patchset release
Same version on all nodes including Oracle Patchset release
Good luck!
http://dba-star.blogspot.com/

In oracle rac, If user query a select query and in processing data is fetched but in the duration of fetching the particular node is evicted then how failover to another node internally?

In oracle rac, If user query a select query and in processing data is fetched but in the duration of fetching the particular node is evicted then how failover to another node internally?

The query is re-issued as a flashback query and the client process can continue to fetch from the cursor. This is described in the Net Services Administrators Guide, the section on Transparent Application Failover.

Install Oracle RAC 10g (10.2.0.1) on HP-UX B.11.31 U ia64 failed

Hi All
I am installing Oracle RAC 10g 10.2.0.1 on HP-UX B.11.31 U ia64 but can not complete
hosts file
#Public IPs
10.144.1.111 spgdb01
10.144.1.112 spgdb02
#Private IPs
10.144.2.2 spgdb01p
10.144.2.3 spgdb02p
#Virtual IPs
10.144.1.113 spgdb01v
10.144.1.114 spgdb02v
I do installation with runInstaller without error. It copy and link is ok. When I run root.sh then It cannot complete as following
Checking to see if Oracle CRS stack is already configured
Checking to see if any 9i GSD is up
Setting the permissions on OCR backup directory
Setting up NS directories
Oracle Cluster Registry configuration upgraded successfully
WARNING: directory '/oracle/product/10.2.0' is not owned by root
WARNING: directory '/oracle/product' is not owned by root
WARNING: directory '/oracle' is not owned by root
Successfully accumulated necessary OCR keys.
Using ports: CSS=49895 CRS=49896 EVMC=49898 and EVMR=49897.
node <nodenumber>: <nodename> <private interconnect name> <hostname>
node 0: spgdb01 spgdb01p spgdb01
node 1: spgdb02 spgdb02p spgdb02
Creating OCR keys for user 'root', privgrp 'sys'..
Operation successful.
Now formatting voting device: /ora/crs/votedisk01
waitpid(-1, 0x7fffdf50, WUNTRACED) .................................................................................................... [sleeping]
Now formatting voting device: /oracle/oradata1/crs/votedisk02
Now formatting voting device: /oracle/oradata2/crs/votedisk03
Format of 3 voting devices complete.
Startup will be queued to init within 30 seconds.
====================
I have waited for 10 mins but still not complete
Additionally, log from runInstaller, I got
Preparing to launch Oracle Universal Installer from /tmp/OraInstall2011-04-28_12-13-31AM. Please wait ...-bash-4.2$ Oracle Universal Installer, Version 10.2.0.1.0 Production
Copyright (C) 1999, 2005, Oracle. All rights reserved.
Private Interconnect : null
Private Interconnect : null
Private Interconnect : null
Private Interconnect : null
So, please help me fix this issue
Thank you

I had this problem and resolved it by transporting the file to the installation server with the correct ftp datatype (binary).
On page 54 of the install guide (..Server\Oracle_Business_Intelligence\doc\doc\bi.1013\b31765.pdf) that comes with the installation files, there is an instruction to make sure that any ftp activity is done in binary.
This may not have occured with the license.xml file if you use a tool which offers the "feature" of automatic datatype recognition.
Hope this helps.

Oracle Upgrade from Oracle RAC 9.2.0.6 to Oracle 10.2.0.4

Hi All,
Currently, we are running 4 node Oracle RAC environment with below mentioned configuration.
OS: Sun Solaris 5.9
Hardware: Sun E2900
Oracle Version: 9.2.0.6
Veritas Cluster Server: 4.1
We want to upgrade Oracle version to 10g, and currently analyzing the options to perform this. The current database size is 1TB appx and we want to spend minimum application shutdown time running on this database.
As part of upgrade, we also need to upgrade Veritas Cluster Server from 4.1 to 5.1 to support Oracle 10g. It would be great help,, if someone can pass some guideline to perform this task.
We are currently thinking about piecemeal approach, where we can upgrade each node individually and then put them back to cluster. There are some complexities involved, and its really high risk approach.
Thanks a lot in advance for help
Regards,
Manoj

Orcale 10g RAC requires you to install Oracle Clusterware. Oracle Supports running it along side a 3rd party clustering software. Not sure why you're so anxious to upgrade Veritas Clusterware when it will be trivial on the 10g db hosts.

Oracle rac templates 11g R2 buildcluster.sh error

Hi All,
am facing below error, while creating oracle rac templates. kindly let us know how to resolve below error.
===error=========================
Oracle RAC 11gR2 OneCommand (v1.2) for Oracle VM - (c) 2010-2011 Oracle Corporation
   Cksum: [1170221909 255000 racovm.sh] at Sun Jan 5 04:15:14 EST 2014
   Kernel: 2.6.18-194.0.0.0.3.el5xen (i686) [1 processor(s)] 1700 MB
2014-01-05 04:15:14:[printparams:Time :racnode1] Completed successfully in 4 seconds (0h:00m:04s)
2014-01-05 04:15:14:[setsshora:Start:racnode1] SSH Setup for the Oracle user(s)...
INFO (node:racnode1): Running as oracle: /u01/racovm/ssh/setssh-Linux.sh -s -x -c NO -h nodelist -p ***   (setup on 2 node(s): racnode1 racnode2)
ERROR: Failed to create temporary file /tmp/setssh-cretmpQY3958 on localhost, can not proceed
Exiting...
ERROR (node:racnode1): Failed to configure passwordless SSH for the oracle user
2014-01-05 04:15:17:[setsshora:Time :racnode1] Completed with errors in 3 seconds (0h:00m:03s), status: 1
2014-01-05 04:15:17:[buildcluster:Time :racnode1] Completed with errors in 58 seconds (0h:00m:58s), status: 1
thanks,
Mike.

Try this. It worked for me.
Please keep in mind that you will need wait till each step finishes successfully before move to next one
For Step1 and 2, you can skip node(s) on which you didn't execute root.sh yet.
Step 1: As root, run "$GRID_HOME/crs/install/rootcrs.pl -verbose -deconfig -force" on all nodes, except the last one.
Step 2: As root, run "$GRID_HOME/crs/install/rootcrs.pl -verbose -deconfig -force -lastnode" on last node. This command will zero out OCR and VD disk also.
Step 3: As root, run $GRID_HOME/root.sh on all node one by one

How to configure Oracle RAC for Wiki and Blog

Has anyone done Oracle RAC configuration for Oracle Wiki and Blogs?
Thanks,
Frank

Hi Andreas,
Thanks you for your help. I am trying to implement third party external LDAP authentication for APEX and Forms.
So I started with OID and SSO setup to create external Partner Applications. Some reason my oid and sso web login links are not working. I didn't find any errors. I need some help in finding the problem and direction, I already read docs on web but no proper direction. I appreciate your help.
Thanks

Oracle RAC with ASM install failure

Hi Guy's
I've just rebuilt an Oracle RAC system, i've built this system many times and have the build documented. I usually follow the build doc to the tee and everything works fine. I have now been asked to rebuild the system to go into the production evironment. This is a two server standard RAC setup using ASM. We have a HP MSA500 shared storage setup. I've run the cluster verification tool and all the checks have come out fine. Whilst installing the clusterware i get a failed error message whilst it try's to confiure the Oracle Clusterware Configuration Assistant.
The error message i get is:
Command = C:\Windows\system 32\cmd\C Call E:\Oracle\Product\10.2.0\crs\install\crssetup.config.bat
PROT-1:Failed to intialize OCR Config
STEP 1 Checking status of CRS cluster
STEP 2 Creating directories (E:\Oracle\Product\10.2.0\Crs
STEP 3 Configuring OCR repository
ocr upgrade failed with (-1)
I've done this build many times and never seen this error. From what i've read on the internet it looks like it could be something up with my shared storage but i dont know what.
Any help would be greatly appreciated
Thanks
Lee

try to apply ''dd' command against OCR & Voting disks to ensure that their headers are formatted 100% and contains no data from old installation:
dd if=/dev/zero of=YOUR_OCR_DISK bs=1024 count=10000
dd if=/dev/zero of=YOUR_VOTE_DISK bs=1024 count=10000

ASM instances on 2 node Oracle RAC 10g r2 on Red Hat 4 u1

Hi all
I'm experiencing a problem in configuring diskgroups under +ASM instances on a two node Oracle RAC.
I followed the official guide and also official documents from metalink site, but i'm stuck with the visibility of asm disks.
I created fake disks on nfs with Netapp certified storage binding them to block device with the usual trick "losetup /dev/loopX /nfs/disk1 " ,
run "oracleasm createdisk DISKX /dev/loopX" on one node and
"oracleasm scandisks" on the other one.
With "oracleasm listdisks" i can see the disks at OS level in both nodes , but , when i try to create and mount diskgroup in the ASM instances , on the instance on which i create the diskgroup all is well, but the other one doesn't see the disks at all, and diskgroup mount fails with :
ERROR: no PST quorum in group 1: required 2, found 0
Tue Sep 20 16:22:32 2005
NOTE: cache dismounting group 1/0x6F88595E (DG1)
NOTE: dbwr not being msg'd to dismount
ERROR: diskgroup DG1 was not mounted
any help would be appreciated
thanks a lot.
Antonello

I'm having this same problem. Did you ever find a solution?

How to create a wallet in oracle RAC environment

How to create a wallet in oracle RAC environment.
While running following command "alter system set encryption key identified by "thalesdata4";
I am getting error message "cannot auto create wallet" or "failed to open wallet.
Please suggest correct way to create a wallet in RAC environment.
Thanks
Sudhir

hi,
please refer for detailed explanation
Master Note for SSL Configuration in Fusion Middleware 11g [ID 1218695.1]
regards

Patchset on Oracle RAC

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