Linux clusters and oracle

Hello gentlemen!
Does anybody have experience with linux clusters and oracle?
Does this combination exist? Is linux great in this role?
Any links on this topic?
Any help would be greatly appreciated.
Best regards,
San.
null

This contradicts the information in the Oracle® Database Release Notes 10g Release 2 (10.2) for Linux x86-64:
In Oracle Database Oracle Clusterware and Oracle Real Application Clusters Installation Guide, Chapter 2, "Preinstallation," in the section "Oracle Clusterware Home Directory," it incorrectly lists the path /u01/app/oracle/product/crs as a possible Oracle Clusterware home (or CRS home) path. This is incorrect. A default Oracle base path is /u01/app/oracle, and the Oracle Clusterware home must never be a subdirectory of the Oracle base directory.
A possible CRS home directory is in a path outside of the Oracle base directory. for example, if the Oracle base directory is u01/app/oracle, then the CRS home can be an option similar to one of the following:
u01/crs/
/u01/crs/oracle/product/10/crs
/crs/home
This issue is tracked with Oracle bug 5843155.

Similar Messages

Linux Clustering with oracle

Hai All,
Please forward the good pdf documents and links describing the Redhat Linux Clustering with Oracle.
Please help...
Shiju

Hai All,
Please forward the good pdf documents and
links describing the Redhat Linux Clustering with
Oracle.Check following link
http://www.oracle.com/pls/db102/to_pdf?pathname=install.102%2Fb15660.pdf&remark=portal+%28Getting+Started%29
Virag

Oracle Linux 6 and Oracle DB for ERP System

All,
I have a few questions about using Oracle Linux 6 and the Oracle Database for our ERP Server. We are using a System that run off of Appache httpd and Tomcat and connects to an Oracle Database. We currently are running as a hardware installed server, with Oracle Linux 5 and 10gR2. We are looking to migrate to a Virtual environment as we run VMWare for all our other Servers and services. I have started the install of a development/test system. I wanted to install Oracle Enterprise Linux 6 x86_64 along with either 10gR2 or 11gR2. I noticed that 10gR2 was not certified on OEL6 hence why the thought of moving to 11gR2. The one issue I have is the ERP system is not a x86_64 system is there any way of running 32 bit apps on a 64bit OEL install? I would need to compile a few small 32bit C code programs so would need 32bit libs to compile against. Any support would be greatly appreciated. I know that OEL has an i386 install but I also know that the x86_64 has more support for Oracle DB.
P.S.
Our ERP System is programmed via a small company that does not certify anything. They have taken the approach if it works it works (not happy with this but it is what it is). So the main issue is I need to get Appache Httpd, Tomcat running along with ability to compile a few small 32bit apps.
Edited by: Rever75 on May 7, 2012 1:45 PM

x86-64 is an extension of the x86 32-bit CISC instruction set. The 64-bit extension provides support for long mode to address larger virtual and physical address spaces.
You can generally run 32-bit applications on a x86_64 bit CPU and a x86_64 kernel, provided you have the appropriate i386 libraries installed. When you install Oracle 11gR2 11.2.0.1 for x86_64, appropriate i386 libraries are a prerequisite.
Since x86 on a x86_64 CPU is still hardware, there will be no performance penalty to run 32-bit application. Btw, you cannot run 64-bit applications using a i386 kernel. The only exception I know is Mac OS X.

Oracle/linux box and oracle NT server

Hi!
I have very specific question and wonder if anybody can be of
help. We're going to setup web page using oracle data. Which
oracle product should we use for getting information off of the
NT server running oracle 7.3.4? Is there a free client license
for Linux client - that would be possibly helpful for setting up
web server on the linux box and launching sqlplus in the linux
environment in order to take data from different box - NT server.
I've known that there is a product for linux called Web DB that
can be rather helpful. Is there any other way to establish
connection between linux web server and NT oracle database? If
anybody has any idea i would be very glad to hear from you.
Eugene
null

Eugene
you can access an Oracle server running on any Host from Linux as
long as you have Oracle SQL-Net installed.
On top of SQL-Net you can use any other software, like Perl,
PHP3, etc.
If you use Perl, you need to install the perl modules DBI and
DBD-Oracle.
Regards,
Hermann
eugene davidov (guest) wrote:
: Hi!
: I have very specific question and wonder if anybody can be of
: help. We're going to setup web page using oracle data. Which
: oracle product should we use for getting information off of the
: NT server running oracle 7.3.4? Is there a free client license
: for Linux client - that would be possibly helpful for setting
up
: web server on the linux box and launching sqlplus in the linux
: environment in order to take data from different box - NT
server.
: I've known that there is a product for linux called Web DB that
: can be rather helpful. Is there any other way to establish
: connection between linux web server and NT oracle database? If
: anybody has any idea i would be very glad to hear from you.
: Eugene
null

Difference between Oracle VM on Linux x86 and Oracle VM Server for x86 on Linux x86

Hi,
Under the certifications tab for EBS 11.5.10.2, there are two fields for Virtualization software
1. Oracle VM
2. Oracle VM Server for x86
Oracle VM shows version 2.2.0.0.0 and Oracle VM Server for x86 shows version 3.2.6.0.0. Could you please let me know the difference between the two?
Thanks
Sarika

Hi,
Oracle VM shows version 2.2.0.0.0 and Oracle VM Server for x86 shows version 3.2.6.0.0. Could you please let me know the difference between the two?
Oracle VM 2.2 is for Oracle Solaris Sparc platform (Earlier know as Sun Logical Domains) - Only Solaris sparc Installation are supported on VM's
2.2 Installing Oracle VM Server on SPARC Hardware
Oracle Vm 3.2 is for X86 platform - using this VM you can Install and create Windows/Linux/Solaris-X86 and other certified OS.
Oracle VM Release 3.2 Product Documentation Library
Hope its clear
regards,
X A H E E R

New installation woes - SQLDeveloper on Oracle Linux x64 and Oracle 11g XE

Note that as an experienced Oracle developer in enterprise environments running MS Windows OS, I am familiar with SQLDeveloper for Windows. I don't have a lot of experience with Linux however. I don't find it intimidating, I just don't have a lot of accumulated knowledge.
I have recently been trying to set up a development environment on my Windows7 Professional x64 laptop.
1. Installed Oracle VBox
2. Installed Oracle Linux 5.2 inside the VBox (because Oracle 11g XE is not certified on 64 bit Windows, needed to go with a Linux OS)
3. Installed Oracle DB 11.2 XE
4. Installed JDK as instructed in the SQLDeveloper release notes for Linux x64
5. Installed SQLDeveloper 3.1.07.42-1
No apparent issues with any of the installations.
Problem : I can run SQL Plus from the command line, but when I click on the icon for SQLDeveloper, nothing happens. No error messages, nothing else.
Question #1 : Unsure how to debug/troubleshoot this. Will read through the installation and release notes for SQLDeveloper, but any suggestions would be welcome.
Question #2 : Could this be due to an issue with the JDK installation? It appeared to be successful (no obvious issues) but I can't see anything in the Oracle Linux menu system that tells me the JDK was installed successfully. How can I confirm that the JDK installation was successful?
Edited by: Peter Hartgerink on Jun 19, 2012 9:12 AM

>
The Linux x64 version of SQLDeveloper doesn't come bundled with JDK. There is a version of JDK recommended, with an advisory to install it before installing SQLDeveloper. This I did, with apparent success. I guess I'll have to install the JDK again and check my Java versions afterwards. Thanks.
>
I don't know what JDK you downloaded since you didn't say. What version was it? Post the link.
I find it hard to believe that the JDK version recommended was 1.4.2 since that is an ANCIENT version of Java, you have to hunt to even find it for download and most importantly the sql developer main download page clearly announces what version of Java is needed.
http://www.oracle.com/technetwork/developer-tools/sql-developer/downloads/index.html
>
JDK Support
Oracle SQL Developer 3.1 is shipped with JDK1.6.0_11. However, you can connect to and use any JDK 1.6.0_11 or above. To use an existing JDK, download the zip files listed below "with JDK already installed."
>
As you can see you need JDK 1.6.0_11 or above.
If the version you say was recommended was actually 1.4.2 then that is an error; post the details so the developers can get that error fixed.
I don't know what is on your system and can only go by the information you provide
>
4. Installed JDK as instructed in the SQLDeveloper release notes for Linux x64
java version "1.4.2"
>
You either downloaded version 1.4.2, which seems unlikely, or your Linux included 1.4.2 and it is being used when you try to launch sql developer.
Perhaps your system now has multiple versions of Java on it but the version being used by sql developer is the wrong one. If so that is the issue you need to resolve.

OAS, Linux, CMAN and Oracle 9.2.0.7

Greetings All:
We are running Oracle 9.2.0.7 on RHES3 and I have been told by our dba that we cannot run Oracle Advanced Security (OAS) with SSL because of incompatibilities mentioned on Metalink notes Note 166492.1 and Note 331125.1. I do not have Metalink access but I do not understand. I mean if OAS did not work on Linux it seems like that would be a major bug.
What we want to do is have secure communications between our users Windows workstations and the Oracle database server. The connections are made using the Oracle supplied drivers and sql*net. What I do not want to rely on is the IT department saying that the netowrk is secure so that is good enough. The only other option they are offering is to use Cisco's TED, which according to my understanding only provides a secure connection between their hardware (routers, etc).
Can someone either validate that this is true that OAS with SSL will not work on Linux or offer another option for security? Is all of this fixed by upgrading to 10g?
Thanks
Dan

Thanks Steve, That's probably what we'll try and do.
I'm just trying to find some hard evidence that it's a Forms patch problem. Something to give to Management that says "You should be on a least patch x with 9.2.0.7 because of problems x, y and z".
The application is in strict maintenance mode - the server upgrade was forced on us from outside.
John

Unbreakable Linux Network and oracle-validated

I bought a network subscription to ULN mostly for the oracle-validated feature.
Here is the results but I can not get the packages listed to install
# up2date --install oracle-validated
Fetching Obsoletes list for channel: el5_x86_64_latest...
Fetching rpm headers...
Name Version Rel
oracle-validated 1.0.0 16.el5 x86_64
Testing package set / solving RPM inter-dependencies...
There was a package dependency problem. The message was:
Unresolvable chain of dependencies:
glibc-headers 2.5-34 requires kernel-headers
glibc-headers-2.5-34 requires kernel-headers >= 2.2.1
oracle-validated 1.0.0-16.el5 requires kernel-headers
The following packages were added to your selection to satisfy dependencies:
Package Required by
elfutils-libelf-devel-0.137-3.el5.x86_64oracle-validated-1.0.0-16.el5 elfutils-libelf-devel
gcc-4.1.2-44.el5.x86_64 oracle-validated-1.0.0-16.el5 gcc
gcc-c++-4.1.2-44.el5.x86_64 oracle-validated-1.0.0-16.el5 gcc-c++
libaio-devel-0.3.106-3.2.x86_64 oracle-validated-1.0.0-16.el5 libaio-devel
libgomp-4.3.2-7.el5.x86_64 gcc-4.1.2-44.el5 libgomp
[root@localhost oracle-validated]# up2date -u
Fetching Obsoletes list for channel: el5_x86_64_latest...
Fetching rpm headers...
Name Version Rel
The following Packages were marked to be skipped by your configuration:
Name Version Rel Reason
kernel 2.6.18 128.1.6.0.1.el5Pkg name/pattern
All packages are currently up to date
[root@localhost oracle-validated]#
the downloaded packages are stored in /var/spool/up2date
# ls /var/spool/up2date
bc-1.06-21.x86_64.hdr
compat-gcc-34-3.4.6-4.x86_64.hdr
compat-gcc-34-c++-3.4.6-4.x86_64.hdr
compat-libstdc++-33-3.2.3-61.i386.hdr
compat-libstdc++-33-3.2.3-61.x86_64.hdr
el5_x86_64_latest.20090416230823
el5_x86_64_latest-all.20090416230823
el5_x86_64_latest-obsoletes.20090416230823
elfutils-libelf-devel-0.137-3.el5.i386.hdr
elfutils-libelf-devel-0.137-3.el5.x86_64.hdr
elfutils-libelf-devel-static-0.137-3.el5.i386.hdr
elfutils-libelf-devel-static-0.137-3.el5.x86_64.hdr
gcc-4.1.2-44.el5.x86_64.hdr
gcc-c++-4.1.2-44.el5.x86_64.hdr
gdb-6.8-27.el5.x86_64.hdr
glibc-devel-2.5-34.i386.hdr
glibc-devel-2.5-34.x86_64.hdr
glibc-headers-2.5-34.x86_64.hdr
libaio-devel-0.3.106-3.2.i386.hdr
libaio-devel-0.3.106-3.2.x86_64.hdr
libgomp-4.3.2-7.el5.i386.hdr
libgomp-4.3.2-7.el5.x86_64.hdr
libstdc++-devel-4.1.2-44.el5.i386.hdr
libstdc++-devel-4.1.2-44.el5.x86_64.hdr
libXp-1.0.0-8.1.el5.i386.hdr
libXp-1.0.0-8.1.el5.x86_64.hdr
oracle-validated-1.0.0-16.el5.x86_64.hdr
How do I update/install the packages

THIS IS SO COOL!
I am posting the results of Avi's answer. This would have taken hours or trial and error to resolve these dependancies.
Big thanks to Avi
[root@localhost oracle-validated]# up2date-nox --configure
0. adminAddress ['root@localhost']
1. debug No
2. disallowConfChange ['noReboot', 'sslCACert', 'useNoSSLForPackages', 'noSSLSe
3. enableProxy No
4. enableProxyAuth No
5. enableRollbacks No
6. fileSkipList []
7. forceInstall No
8. gpgKeyRing xx
9. headerCacheSize 40
10. headerFetchCount 10
11. httpProxy
12. isatty Yes
13. keepAfterInstall No
14. networkRetries 5
15. noBootLoader No
16. noReboot No
17. noReplaceConfig Yes
18. noSSLServerURL xx
19. pkgSkipList ['kernel*']
20. pkgsToInstallNotUp ['kernel', 'kernel-modules', 'kernel-devel']
21. proxyPassword
22. proxyUser
23. removeSkipList ['kernel*']
24. retrieveOnly No
25. retrieveSource No
26. rhnuuid xx
27. serverURL xx
28. showAvailablePacka No
29. sslCACert xx
30. storageDir /var/spool/up2date
31. systemIdPath xx
32. updateUp2date Yes
33. useGPG Yes
34. useNoSSLForPackage No
35. useRhn Yes
36. versionOverride
Enter number of item to edit <return to exit, q to quit without saving>: 19
Attribute: pkgSkipList
Comment: A list of package names, optionally including wildcards, to skip
Current value: kernel*;
< return for default, C to clear list, items are ';' separated >
New Value: C
0. adminAddress ['root@localhost']
1. debug No
2. disallowConfChange ['noReboot', 'sslCACert', 'useNoSSLForPackages', 'noSSLSe
3. enableProxy No
4. enableProxyAuth No
5. enableRollbacks No
6. fileSkipList []
7. forceInstall No
8. gpgKeyRing /xx
9. headerCacheSize 40
10. headerFetchCount 10
11. httpProxy
12. isatty Yes
13. keepAfterInstall No
14. networkRetries 5
15. noBootLoader No
16. noReboot No
17. noReplaceConfig Yes
18. noSSLServerURL xx
19. pkgSkipList []
20. pkgsToInstallNotUp ['kernel', 'kernel-modules', 'kernel-devel']
21. proxyPassword
22. proxyUser
23. removeSkipList ['kernel*']
24. retrieveOnly No
25. retrieveSource No
26. rhnuuid xx
27. serverURL xx
28. showAvailablePacka No
29. sslCACert xx
30. storageDir /var/spool/up2date
31. systemIdPath /xx
32. updateUp2date Yes
33. useGPG Yes
34. useNoSSLForPackage No
35. useRhn Yes
36. versionOverride
Enter number of item to edit <return to exit, q to quit without saving>:
[root@localhost oracle-validated]# up2date --install oracle-validated
Fetching Obsoletes list for channel: el5_x86_64_latest...
Fetching rpm headers...
Name Version Rel
oracle-validated 1.0.0 16.el5 x86_64
Testing package set / solving RPM inter-dependencies...
bc-1.06-21.x86_64.rpm: ########################## Done.
compat-gcc-34-3.4.6-4.x86_6 ########################## Done.
compat-gcc-34-c++-3.4.6-4.x ########################## Done.
compat-libstdc++-33-3.2.3-6 ########################## Done.
compat-libstdc++-33-3.2.3-6 ########################## Done.
elfutils-libelf-devel-0.137 ########################## Done.
gcc-4.1.2-44.el5.x86_64.rpm ########################## Done.
gcc-c++-4.1.2-44.el5.x86_64 ########################## Done.
gdb-6.8-27.el5.x86_64.rpm: ########################## Done.
glibc-devel-2.5-34.i386.rpm ########################## Done.
glibc-devel-2.5-34.x86_64.r ########################## Done.
glibc-headers-2.5-34.x86_64 ########################## Done.
kernel-headers-2.6.18-128.1 ########################## Done.
libXp-1.0.0-8.1.el5.i386.rp ########################## Done.
libaio-devel-0.3.106-3.2.x8 ########################## Done.
libstdc++-devel-4.1.2-44.el ########################## Done.
oracle-validated-1.0.0-16.e ########################## Done.
elfutils-libelf-devel-stati ########################## Done.
libgomp-4.3.2-7.el5.x86_64. ########################## Done.
Preparing ########################################### [100%]
Installing...
1:libgomp ########################################### [100%]
2:gdb ########################################### [100%]
3:compat-libstdc++-33 ########################################### [100%]
4:bc ########################################### [100%]
5:libXp ########################################### [100%]
6:compat-libstdc++-33 ########################################### [100%]
7:libstdc++-devel ########################################### [100%]
8:kernel-headers ########################################### [100%]
9:glibc-headers ########################################### [100%]
10:glibc-devel ########################################### [100%]
11:compat-gcc-34 ########################################### [100%]
12:glibc-devel ########################################### [100%]
13:libaio-devel ########################################### [100%]
14:gcc ########################################### [100%]
15:gcc-c++ ########################################### [100%]
16:compat-gcc-34-c++ ########################################### [100%]
17:elfutils-libelf-devel ########################################### [100%]
18:oracle-validated ########################################### [100%]
19:elfutils-libelf-devel-s########################################### [100%]
The following packages were added to your selection to satisfy dependencies:
Name Version Release
bc 1.06 21
compat-gcc-34 3.4.6 4
compat-gcc-34-c++ 3.4.6 4
compat-libstdc++-33 3.2.3 61
compat-libstdc++-33 3.2.3 61
elfutils-libelf-devel 0.137 3.el5
gcc 4.1.2 44.el5
gcc-c++ 4.1.2 44.el5
gdb 6.8 27.el5
glibc-devel 2.5 34
glibc-devel 2.5 34
glibc-headers 2.5 34
kernel-headers 2.6.18 128.1.6.0.1.el5
libXp 1.0.0 8.1.el5
libaio-devel 0.3.106 3.2
libstdc++-devel 4.1.2 44.el5
elfutils-libelf-devel-static 0.137 3.el5
libgomp 4.3.2 7.el5
[root@localhost oracle-validated]#
SUCCESS!

Anyone upgraded Linux OS and Oracle to 64BIT? - How to?

Anyone upgraded their nodes in their cluster from 32 bit OS to 64 bit - and also upgraded their 32 bit oracle 10.1.0.5 to 64 bit 10.2.0.2?
Anyone have a good draft on how to complete this task?

I haven't did this one.
You need to install fresh instead upgrade as the Oracle binaires will be different for 32 and 64. Database file conversion, you may rman. I believe, rman have some option to convert different OS bit format.
Ashok

Linux/Unix with Oracle hosting

Is it easy to find Unix hosting and using Oracle database as the Internet search proves that its very difficult.

Hai All,
Please forward the good pdf documents and
links describing the Redhat Linux Clustering with
Oracle.Check following link
http://www.oracle.com/pls/db102/to_pdf?pathname=install.102%2Fb15660.pdf&remark=portal+%28Getting+Started%29
Virag

OEM 2.1.0 and Oracle 8.1.5 onb Linux

Hi
I have a probleme with OEM (2.1.0 on NT simple client) and Oracle 8i (8.1.5 on RedHat Linux 6.0 the server)
My Agent run with no probleme and when I search this agent via my Enterprise Manager Console I have no probleme (the agent is find).
But via the console if I try to connect to my database I have a message ORA-12545 Connect failed because target host or object does not exist ! Why ?
If I try to connect via Sqlplus or DBA Studio Standalone I have no probleme.
Serge

<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by hennaux ():
Hi
I have a probleme with OEM (2.1.0 on NT simple client) and Oracle 8i (8.1.5 on RedHat Linux 6.0 the server)
My Agent run with no probleme and when I search this agent via my Enterprise Manager Console I have no probleme (the agent is find).
But via the console if I try to connect to my database I have a message ORA-12545 Connect failed because target host or object does not exist ! Why ?
If I try to connect via Sqlplus or DBA Studio Standalone I have no probleme.
Serge <HR></BLOCKQUOTE>
Hello Serge,
You need to check your tnsnames.ora file. You need to very that the service name you are using on the NT client is really connecting you to the linux server.
The Oracle docs cover how to set it up.
it goes something like this
Also do a search for Jesus M. Salvo's how to on setting it all up. He is on the OTN check back about 2 months or so.
I would send you a copy of my tnsnames.ora file, but I cannot get it (not on server now)
null

Differences between Oracle 8i for a UNIX Platform and Oracle 8i for a Linux Platform

Hello,
J would like to know if there are some differences between Oracle 8i for a UNIX Platform and Oracle 8i for a Linux Platform.
I know that there are some differences on Oracle 8i Parallel Server and i know that some products are not include like precompiler (Mod*Ada, Pro*FORTRAN) on a Linux Platform.
Thank you.

We have installed Oracle 8i on Solaris 8 and it had a great performance, of course that the hardware and licence invested here was costed my the office where i work. Personaly i'd installed linux reh hat 8 and oracle 8i, imagine that, it could be implemented by any individual that has the time to do so.
By buyinng from a company that has a good background you could be sure that you will have support.
Bottom line, if you have the $ to buy great hardware go for a unix platform. But if you don't a Red Hat Linux Server Licence with a 1 year sopport and Oracle data base is about 3500Dls.
Visit www.red-hat.com
Rewards... Bye

Oracle Clusterware and Oracle Real Application Clusters Install Guide

I've downloaded the latest "Oracle Database - Oracle Clusterware and Oracle Real Application Clusters Install Guide - 10g Release 2 (10.2) for HP-UX PA-RISC" (part no. B14202-01) dated August 2005 from OTN. I'm getting the following error when opening the pdf file in Adobe Reader:
"Cannot extract the embedded font 'PEPPLC+Palatino-Italic'. Some characters may not display or print properly."
When I print the manual, I get blank pages throughout the document which, in my opinion, should contain text and don't. Specifically pages 1-11, 2-5, 2-19, 2-24, 2-33, 3-5, 3-19 to name a few. When I go to those pages within the pdf file in Adobe Reader, I get the error: "There was a problem reading this document (114)."
Can you verify this problem on your end. Also, how do I get a good copy of this document?

Hi!
Apologies for the delay in responding to you. Please try the documentation library, part B19306-01 at URL: http://www.oracle.com/technology/documentation/database10gR2.html. Search for the part B14202-01 and click: pdf at top right. Part B14202-01 documentation pdf is currently displaying and printing on this end. The blank pages at the end of each main topic are inserted on purpose.
Another link to part B14202-01, on OTN is under the OEM, Oracle Enterprise Manager 10g Release 2 (10.2): http://www.oracle.com/pls/db102/portal.portal_db?selected=21
Thank you for your comments and feedbacks. Its much appreciated.
Main OTN, documentation URL: http://www.oracle.com/technology/documentation/index.html
Regards,
Chao

Java and oracle in linux

hello frnds...i have installed oracle 10g in ubuntu 11.04....now i want to make database connection between java and oracle...so how can i do it??i know the java code..but the main problem is database driver..how can i give the classpath for specific jdbc dirver...pls tell me the steps to set classpath for jdbc driver...
thnx in advance..

884540 wrote:
hello frnds...i have installed oracle 10g in ubuntu 11.04....now i want to make database connection between java and oracle...so how can i do it??i know the java code..but the main problem is database driver..how can i give the classpath for specific jdbc dirver...pls tell me the steps to set classpath for jdbc driver...
thnx in advance..You can mention the classpath using the javac and java options:
javac -cp .;<path> <ClassName>.java
and
java -cp .;<path> <ClassName>
Or refer the below link to avoid mentioning classpath everytime you run/ compile the program
http://www.linuxquestions.org/questions/linux-software-2/j2sdk-install-174483/#post898715

Diff between oracle linux and oracle enterprise linux?

hi all,
i am new to this flavor of Linux. I know oracle linux has red hat source, but i am confused about the difference betweek oracle linux which comes in versions 4 (upto update 8) and 5 (latest update being 5).
i need to install oracle enterprise linux at a client place, so i gota know the difference.
Should i be installing oracle Linux first and then run the rpm of "Unbreakable Enterprise Kernel"? or is the "Unbreakable Enterprise Kernel" only for customers who require this kernal on oracle linux update 5 x86_64?
thanks

waldorfm wrote:
From what I understand Oracle Enterprise Linux (OEL) is a rebranded version of Red hat Enterprise Linux (RHEL).
Oracle Linux (OL) is OEL plus Oracle optimization and custom, newer kernel. OL with Oracle "Unbreakable Enterprise Kernel" is available as x86_64 only and was introduced based on OEL or RHEL 5.5.
You can install OEL 5.4 and easily upgrade to OEL 5.5, PMFJI, but can you point me to docs on how to make that upgrade? The timing of this msg on the forum was exquisite, as I started looking at that just today. I have an OEL 5.4 installation and would much rather upgrade to 5.5 than to have to rebuild from scratch.
I did a yum install kernel with the 5.5 version of the public-yum-el5.repo. That went without a hitch and now reports "2.6.32-100.0.19.el5 #1" where I was 2.6.18-164.el5, but I also see
[root@myserver ~]# uname -a
Linux myserver 2.6.32-100.0.19.el5 #1 SMP Fri Sep 17 17:51:41 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux
[root@myserver ~]# cat /etc/enterprise-release
Enterprise Linux Enterprise Linux Server release 5.4 (Carthage)
[root@myserver ~]# cat /etc/redhat-release
Red Hat Enterprise Linux Server release 5.4 (Tikanga)Bottom line is that I am charged with updating the kernel to a 2.6 version newer than 19 Sep, or applying a patch for the compat_alloc_user_space() function, and am not sure exactly how to proceed from here.
if you like or start to install from version 5.5, and then install OL 5.5 by downloading the Oracle public yum repository and follow the instructions at http://public-yum.oracle.com

Linux clusters and oracle

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