Oracle Linux 6.2 with RH compatible kernel .versus. Red Hat Linux 6.2 diff?

Hello everyone
* assume that I booted Oracle Linux 6.2 with a Red Hat Compatible Kernel - as opposed to booting the Oracle Linus 6.2 with UEK R1 or UEK R2 kernels *
I am interested in any feature differences between the two OS relating to: functionality, reliability, performance, stability and tools.
The reason I ask is that my employer is trying to figure out if OL 6.2 with a RH compatible kernel is identical to the RHEL 6.2 OS, if we excluded the Oracle UEK and Oracle clustering extra functionality.
This OS will not be used to run Oracle 11g R2 database, this is to be used for any other Linux based non-database applications (such has running Java, JDBC, Apache, C/C++, etc).
many thanks
Yuri

yurib wrote:
So now I can tell them to use Oracle Linux 6.x with a RH compatible kernel for all those non-DB systems and use OL 6.x with UEK for Oracle 11g database.
And I remember there was (still is?) a third kernel, which does not contain new features or performance enhancements, but only bug fixes for the RH compatible kernel.
I am not sure if you are going to need it, but it can be very useful in some cases. For example, if there is a bug in the RH kernel, and you don't want to run the UEK line as you want to stick to 100% strict RHEL compatibility, then Oracle can put the fix into this 3rd bug-fix only RH compatible kernel series.
(For me, I've set up dual-boot UEK & standard RHEL kernels on my machines and never have never encountered issues or bugs.)
>
Many thanks, as always
Yuri

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Oracle 10g/11g database use on UEK versus Red Hat kernel? How widely used?

Greetings
is there any official or semi-official information regarding how widely used is Oracle UEK to run Oracle 10g/11g database (RAC or single-node) versus running Oracle database on Red Hat Linux or on Oracle Linux with Red Hat kernel ?
I am asking because at my customer site there is a perception that Red Hat (or Oracle Linux with Red Hat kernel) is much more widely used in production to run Oracle 10g/11g database and therefore it will provide better stability even if the performance may be somewhat reduced compared to Oracle UEK option.
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Dear All,
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John,
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We are running SCOM 2012 server and have deployed the agent successfully to a number of Red Hat Linux servers. I am having an issue on about a quarter of the hosts, in that they appear as HEALTHY but are Grayed out and not green. When I look at the /var/opt/microsoft/scx/log/omiserver.log
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Red Hat: 'Yes, we undercut Oracle with hidden Linux patches'

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Billy Verreynne wrote:
We have 70+ OEL servers - that used to be RHEL. So its is cause for concern for us, as Linux support and a stable and robust kernel are important to us.I'm not speaking official as Oracle on this, as you'd have to ask Product Management for an official response, but anecdotally:
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[1] http://oss.oracle.com/git/?p=linux-2.6-unbreakable.git;a=summary

Oracle Linux versioning

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Oracle Linux kernel appear as UEK ?
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Edited by: 952690 on 24 mai 2013 08:02

952690 wrote:
uname -a on my server show me 2.6.32-200.13.1.el5uek, that mean that it's a Entreprise Linux 5 ?Yes.
what the diff betwenn OEL5, OEL6 EL5UEK, EL6UEK, i'm lost.There is no OEL, just OL. :) Oracle Linux 5 (OL5) and Oracle Linux 6 (OL6) are completely different major versions of Oracle Linux. Each of those has two kernels, the Red Hat Compatible Kernel (RHCK) or the Unbreakable Enterprise Kernel (UEK).
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OBIEE 11.1.1.6 failed to install on Oracle Linux 6.2

Hi all,
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[2012-05-29T16:41:18.044+08:00] [as] [NOTIFICATION] [] [oracle.as.provisioning] [tid: 36] [ecid: 0000JUNkP6DFw000jzwkno1Fl8Qk00000R,0] reportStartConfigAction: ENTRY........
[2012-05-29T16:41:18.045+08:00] [as] [NOTIFICATION] [] [oracle.as.provisioning] [tid: 36] [ecid: 0000JUNkP6DFw000jzwkno1Fl8Qk00000R,0] reportStartConfigAction: eventStatus........oracle.as.provisioning.engine.ConfigEventStatus@76c20307
[2012-05-29T16:41:18.045+08:00] [as] [NOTIFICATION] [] [oracle.as.provisioning] [tid: 36] [ecid: 0000JUNkP6DFw000jzwkno1Fl8Qk00000R,0] reportStartConfigAction: 2........
[2012-05-29T16:41:18.047+08:00] [as] [NOTIFICATION] [] [oracle.as.provisioning] [tid: 36] [ecid: 0000JUNkP6DFw000jzwkno1Fl8Qk00000R,0] reportStartConfigAction: Set the Extion Id to START........
[2012-05-29T16:41:18.047+08:00] [as] [NOTIFICATION] [] [oracle.as.provisioning] [tid: 36] [ecid: 0000JUNkP6DFw000jzwkno1Fl8Qk00000R,0] reportStartConfigAction: Did the assignment...
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The /etc/hosts is like
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Hi Devarasu,
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New Oracle Linux 6 installation - ASMLib and EMC Powerpath - is it possible

Hi everyone,
I would like to ask whether that latest version of Oracle Linux 6 can be used for a new installation (one that will replace Windows) to serve as that basis for Oracle RAC.
The storage is a high-end EMC Clariion.
I want to use the Unbreakable Enterprise Linux 2.
I would like to use EMC Powerpath, but it seems this is not yet available (or at list not present in the current EMC support matrix).
I want to use ASMLib, but if have to use redhat compatible kernel (so that I can use Powerpath), I will not be able to use ASMLib (AFAIK).
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I'm putting a list of possile options that I am aware of:
1. Use OEL5 with redhat compatible kernel (use Powerpath and ASMLib).
2. Use OEL6 with UEK2 kernel, but don't use Powerpath (use dm-multipath and ASMLib)
3. Use OEL6 with redhat compatible kernel (use Powerpath and don't use ASMLib, but use udev for persistent device permissions and naming)
4. Use SLES11 (with Powerpath and ASMLib)
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Can someone from EMC or Oracle comment on the plans to make Powerpath available for OL6 with UEK2 ?
Regards,
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I could test "OEL6 with RHEL kernel + Powerpath" vs "OEL6 with UEK2 kernel + dm-mpio", but anyway this would not give the answer whether Powerpath is faster or slower than dm-mpio by itself, since the kernels would be different.I wonder how the answer whether EMC Powerpath or DM Multipath is faster can help you? Apparently you cannot use Powerpath with the UEK2 kernel and have a certified system at the same time, at least not at this time. However there is no reason to throw the towel yet. If the use of Powerpath instead of Multipath is so critical, why not using Oracle Linux 5.7, which is certified? If you check the EMC compatibility matrix (esm_by_os), it actually shows some systems including Clariion supported for Oracle Linux 6.2 with UEK kernel. You might want to take a closer look.
Anyway, it doesn't look like you will be able to solve the performance question without doing a real world test in your environment. You have no indication that Oracle Linux 6.3 with DM Mutlipath will give you less performance than RHEL 6.3 with Powerpath. Regarding the information you found, Linux is not Windows.
Powerpath is not free and you have to pay a license, but worse, it will tie your system to a very specific version of the kernel. In case of RHEL 6 or later, it will deny you the use of Oracle specific products and features such as ASMLib, etc. Multipath seems to be the more economic and better solution since you do not have to worry about kernel versions and have the freedom to use whatever Oracle Linux has to offer.
So, do you want to limit your kernel features and options and fix a problem that you don't know even know if it applies and pay money for it?
Edited by: Dude on Aug 21, 2012 5:57 PM

Install Oracle 11.2 (ASM) failover on Red Hat Enterprise Linux Suite

Hi everybody,
I need installer Oracle 11.2 with asm on Failover Cluster Red Hat linux Suite (two servers), could someone help me?
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I have many doubts.
Thanks in advance.

I have several comments:
Don't use the RPM utility to install software. It does not resolve dependencies. As of RHEL 5, YUM or UP2DATE are the standard software management tools.
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RHEL 6.0. Why such an old version and not 6.4?
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elfutils-libelf-devel ksh sysstat make gcc gcc-c++ compat-libcap1 \
glibc-devel glibc-common glibc-headers libstdc++-devel libaio-devel

Oracle 10g RAC design with ASM and OCFS

Hi all,
I have a question about a proposed Oracle 10g Release 2 RAC design for a 2 node cluster.
ASM can store database files but not Oracle binaries nor OCR and voting disk. As such, OCFS version 1 does not support a shared Oracle Home. We plan to use OCFS version 2 with ASM version 2 on Red Hat Linux Enteprrise Server 4 with Oracle 10g Release 2 (10.2.0.1).
For OCFS v2, a shared Oracle home and shared OCR and voting disk are supported. My question is does the following proposed architecture make sense for OCFS v2 with ASM v2 on Red Hat Linux 4?
Oracle 10g Release 2 on Red Hat Enterprise Linux Server 4:
OCFS V2:
- shared Oracle home and binaries
- shared OCR and vdisk files
- CRS software shared OCFS v2 filesystem
- spfile
- controlfiles
- tnsnames.ora
ASM v2 with ASMLib v2:
Proposed ASM disk groups:
- data_dg for application data
- backupdg for flashback and archivelogs
- undo_rac1dg ASM diskgroup for undo tablespace for racnode1
- undo_rac2dg ASM diskgroup for undo tablespace for racnode2
- redo_rac1dg ASM diskgroup to hold redo logs for racnode1
- redo_rac2dg ASM diskgroup to hold redo logs for racnode2
- temp1dg temp tablespace for racnode1
- temp2dg temp tablespace for racnode2
Does this sound like a good initial design?
Ben Prusinski, Senior DBA

OK Tim, thanks for advices.
I think Netbackup can be integrated with RMAN but I don't want to loose time on this (political).
To summarize:
ORACLE_HOME and CRS_HOME on each node (RAID1 and NTFS)
Shared storage:
Disk1 and disk 2: RAID1: - Raw partition 1 for OCR
- Raw partition 2 for VotingDisk
- OCFS for FLASH_RECOVERY_AREA
Disk3, disk4 and disk5: RAID 0 - Raw with ASM redundancy normal 1 diskgroup for database files.
This is a running project here, will start testing the design on VMware and then go for production setup.
Regards

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