Oracle rac system concept

Hello Collegeus
Our company buy server IBM Xseries 3860 for to store databases (95%, qty=12 databases) of ERP and BI we have, to ensure the performance of the solution going to install oracle rac, but do not know if mandatory to have a CLUSTER to do this and do not find clear documentation on this topic.
This license is needed?, that another way I can do without affecting my performace?
our system is suse linux 11, and oracle 10.2.0.4
can you help?
Thanks
Erika

I suggest you must go through SAP on Oracle and follow then link SAP on Oracle Real Application Clusters (RAC)

Similar Messages

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

Oracle RAC - Not getting performance(TPS) as we expect on insert/update

Hi All,
We got a problem while executing insert/update and delete queries with Oracle RAC system, we are not getting the TPS as we expected in Oracle RAC. The TPS of Oracle RAC (for insert/update and delete ) is less than as that of
single oracle system.
But while executing select queries, we are getting almost double TPS as that of Single Oracle System.
We have done server side and client side load balancing.
Can anyone knows to solve this strange behaviour? Shall we need to perform any other settings in ASM/ Oracle Nodes
for better performance on insert/update and delete queries.
The following is the Oracle RAC configuration
OS & Hardware :Windows 2008 R2 , Core 2 Du0 2.66GHz , 4 GB
Software : Oracle 11g 64 Bit R2 , Oracle Clusterware & ASM , Microsoft iSCSI initiator.
Storage Simulation : Xeon 4GB , 240 GB ,Win 2008 R2, Microsoft iSCSI Traget
Please help me to solve this. We are almost stuck with this situation.
Thanks
Roy

Load Profile Per Second Per Transaction Per Exec Per Call
~~~~~~~~~~~~ ------------------ ----------------- ----------- -----------
DB time(s): 48.3 0.3 0.26 0.10
DB CPU(s): 0.1 0.0 0.00 0.00
Redo size: 523,787.9 3,158.4
Logical reads: 6,134.6 37.0
Block changes: 3,247.1 19.6
Physical reads: 3.5 0.0
Physical writes: 50.7 0.3
User calls: 497.6 3.0
Parses: 182.0 1.1
Hard parses: 0.1 0.0
W/A MB processed: 0.1 0.0
Logons: 0.1 0.0
Executes: 184.0 1.1
Rollbacks: 0.0 0.0
Transactions: 165.8
Instance Efficiency Indicators
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Buffer Nowait %: 93.74 Redo NoWait %: 99.96
Buffer Hit %: 99.99 Optimal W/A Exec %: 100.00
Library Hit %: 100.19 Soft Parse %: 99.96
Execute to Parse %: 1.09 Latch Hit %: 99.63
Parse CPU to Parse Elapsd %: 16.44 % Non-Parse CPU: 84.62
Shared Pool Statistics Begin End
Memory Usage %: 75.89 77.67
% SQL with executions>1: 71.75 69.88
% Memory for SQL w/exec>1: 75.63 71.38

Problem of Copying the Original VM to 2nd VM in Oracle 11gR2 RAC system

Folks,
Hello. I have been installing Oracle Database 11gR2 RAC system using 2 nodes that are 2 Virtual Machines (rac1 and rac2) on the top of VMPLayer 3.
I follow the tutorial http://appsdbaworkshop.blogspot.com/2011/10/11gr2-rac-on-linux-56-using-vmware.html to do.
The original Virtual Machine rac1 has run correctly. I configure rac1 network (eth0 and eth1) by opening VM rac1 and using command "[root@rac1\] #neat" as root user to invoke the network configuration.
For the second Virtual Machine rac2, I simply copy all files in "C:\VM\rac1" into "C:\VM\rac2". Then I have done the following:
1) In the directory "C:\VM\rac2", rename "rac1.vmx" to "rac2.vmx".
2) Change display name from "rac1" to "rac2" in the file "rac2.vmx".
The next thing to do for rac2 is to open the Virtual Machine rac2 and configure its network (eth0 and eth1) by using the command "[root@rac2\]#neat" as root user.
But by this step, I don't understand how to open the Virtual Machine rac2 so that can configure its network (eth0 and eth1).
Can any folk tell me how to open the VM rac2 to configure its network by this step ?
Thanks.

Folks,
Hello. Thanks a lot for replying.
The public IP for eth0 and private IP for eth1 in the file "/etc/hosts" are as follows:
rac1 eth0 192.168.138.35 eth1 192.168.137.35
rac2 eth0 192.168.138.36 eth1 192.168.137.36
In rac1, I have added 2 entries in /etc/hosts as following:
#VIP for eth0
192.168.138.130 rac1-vip.localdomain rac1-genetic-vip
192.168.138.131 rac2-vip.localdomain rac2-cellar-vip
Then I execute the command: [root@rac1 /]# ping rac2
Output:
PING rac2.localdomain (192.168.138.36) 56(84) bytes of data
From rac1.localdomain (192.168.138.35) icmp_seq=1
Destination Host Unreachable
In rac2, I try to add the above 2 entries in /etc/hosts. But cannot save it. The following error message comes up:
"E45: readonly option is set (add ! to override)".
My questions are:
First, do I need to add VIP in the file "/etc/hosts" for both rac1 and rac2 ?
Second, why rac1 still cannot reach rac2 after add VIP in /etc/hosts for rac1 ?
Third, why the file "/etc/hosts" in rac2 is read-only ? How to change it to be editable ?
Thanks.

How to open the second VM in Oracle 11gR2 2-nodes RAC system ?

Folks,
Hello. I have been installing Oracle Database 11gR2 RAC system using 2 nodes that are 2 Virtual Machines (rac1 and rac2) on the top of VMPLayer 3.
I follow the tutorial http://appsdbaworkshop.blogspot.com/2011/10/11gr2-rac-on-linux-56-using-vmware.html to do.
The original Virtual Machine rac1 has run correctly. I configure rac1 network (eth0 and eth1) by opening VM rac1 and using command "[root@rac1\] #neat" as root user to invoke the network configuration.
For the second Virtual Machine rac2, I simply copy all files in "C:\VM\rac1" into "C:\VM\rac2". Then I have done the following:
1) In the directory "C:\VM\rac2", rename "rac1.vmx" to "rac2.vmx".
2) Change display name from "rac1" to "rac2" in the file "rac2.vmx".
The next thing to do for rac2 is to open the Virtual Machine rac2 and configure its network (eth0 and eth1) by using the command "[root@rac2\]#neat" as root user.
But by this step, I don't understand how to open the Virtual Machine rac2 so that can configure its network (eth0 and eth1).
Can any folk tell me how to open the VM rac2 to configure its network by this step ?

Hi,
But by this step, I don't understand how to open the Virtual Machine rac2 so that can configure its network (eth0 and eth1)."rac2" is a new virtual machine after you copied and changed the display name and you need to add this in the vmware enventory (I am talking about vmware server and vmware player should have the same way as it is supposed to run multiple vritual machines on your PC). Then it will be visible it to you. Now start this new machine and edit the network configuration.
Salman

Oracle 11gR2 RAC system Network Connection Problem among VMs

Folks,
Hello.
I am installing Oracle Database 11gR2 RAC system using 2 Virtual Machines (rac1 and rac2) on the top of VMPlayer 3.
I configure Network for rac1 and rac2 as following:
rac1 eth0 192.168.138.35 eth1 192.168.137.35
rac2 eth0 192.168.138.36 eth1 192.168.137.36
[root@rac2 \]# ping rac1
output: 64 bytes from rac1.localdomain (127.0.0.1) ... ...
[root@rac1 \]# ping rac2
Error: Ping rac2.localdomain... ... Destination Host Unreachable.
My questions are:
First, Why rac1 cannot reach rac2 while rac2 can reach rac1 ?
Second, How to have rac1 reach rac2 ?

Folks,
Hello. Thanks a lot for replying.
The public IP for eth0 and private IP for eth1 in the file "/etc/hosts" are as follows:
rac1 eth0 192.168.138.35 eth1 192.168.137.35
rac2 eth0 192.168.138.36 eth1 192.168.137.36
In rac1, I have added 2 entries in /etc/hosts as following:
#VIP for eth0
192.168.138.130 rac1-vip.localdomain rac1-genetic-vip
192.168.138.131 rac2-vip.localdomain rac2-cellar-vip
Then I execute the command: [root@rac1 /]# ping rac2
Output:
PING rac2.localdomain (192.168.138.36) 56(84) bytes of data
From rac1.localdomain (192.168.138.35) icmp_seq=1
Destination Host Unreachable
In rac2, I try to add the above 2 entries in /etc/hosts. But cannot save it. The following error message comes up:
"E45: readonly option is set (add ! to override)".
My questions are:
First, do I need to add VIP in the file "/etc/hosts" for both rac1 and rac2 ?
Second, why rac1 still cannot reach rac2 after add VIP in /etc/hosts for rac1 ?
Third, why the file "/etc/hosts" in rac2 is read-only ? How to change it to be editable ?
Thanks.

Does /sapmnt need in cluster file system(SAP ECC 6.0 with oracle RAC)

We are going to be installing SAP with Oracle 10.2.0.4 RAC on Linux SuSE 10 and OCFS2. The Oracle RAC documentation states:
You must store the following components in the cluster file system when you use RAC
in the SAP environment:
- Oracle Clusterware (CRS) Home
- Oracle RDBMS Home
- SAP Home (also /sapmnt)
- Voting Disks
- OCR
- Database
What I want to ask is if I really need put SAP Home(also /sapmnt) on cluster file system? I will build a two nodes oracel 10g RAC and I also have another two nodes to install SAP CI and DI. My orginial think is sapmnt is a NFS share, and mount to all four nodes(RAC node and CI/DI), and all oracle stuff was on OCFS2(only two rac nodes are OCFS), anybody can tell me if SAP Home(also /sapmnt) can be NFS mount not OCFS2, thanks.
Best regards,
Peter

Hi Peter,
I don't think you need to keep /sapmnt in ocfs2 . Reason any file system need to be in cluster is,in RAC environment, data stored in the cache of one Oracle instance to be accessed by any other instance by transferring it across the private network and preserves data integrity and cache coherency by transmitting locking and other synchronization information across cluster nodes.
AS this applies to redo files, datafiles and control files only , you should be fine with nfs mount of /sapmnt sharing across and not having ocfs2.
-SV

Oracle RAC commandeers system logging?

After installing Oracle RAC, there have been no messages or boot info in syslog and dmesg. Does RAC somehow redirect system logging?
Never mind - I found that I misconfigured syslog.conf... DOH!
Edited by: Duck851 on Nov 13, 2008 7:27 PM

Oracle RAC and crossover cable for private network

Oracle RAC on two different configuration systems

Can we install Oracle RAC (Standard Edition) on severs having different configuration -
1. Server 1 - IBM x3850 - 2 processors occupied, 128 GB RAM, windows server 2008 R2 64 bit
2. Server 2 - IBM 3650 - 2 processors, 64 GB RAM, windows server 2008 R2 64 bit
Thanks & Regards

931577 wrote:
Dear Billy
The storage will be on IBM SAN with fibre channel connectivity for both the servers.
The node A will be only for production and Node B for non production. Pl suggest your recommendations.So, you will configure node1 for database1(instance1) and node2 for database2(instance1)? So much for fail-over... For your proposed configuration, why waste the extra RAC license if you are only going to have the prod db running on a single node? Also Windows???? And you are paying for Windows SERVER licenses as well??? Why? Linux (even Oracle Enterprise Linux) is free and the support cost are far less than for Windows. It is slow and is a nightmare to manage. Learn Linux or AIX or something. I don't do Windows and I certainly would never deploy RAC on Windows. (My deployment of RAC clusters now stands > 75 clusters with the largest at 250TB and NONE of them on Windows).
This is more like RAC-One than RAC. I have a problem using a single RAC cluster to support both my production and non-production work. It also negates the primary reason to use RAC - high availability. In your proposed solution, if your production db goes down on node1(instance1) your application is dead. In RAC, when the middle-tier attempts to reconnect, it would simple connect to a surviving node. You will not have that feature in your proposed configuration.
I also would object to the notion of having production database in the same set of DiskGroups (ASM) or file systems as my non-production data. There are too many times where I have seen a someone execute a process that brought the entire system down due to high I/O - now, if you have this configuration, it is conceivable that your non-prod I/O could affect your production (SAN switch overload, Storage array overload etc...). And all of this does not include the "oops-factor". That's what happens when you thought you were deleting data files for your non-prod database that you want to restore and "accidently" delete production data files.
You asked for suggestions --
1) buy more hardware
2) have 1 standalone for non-prod
3) have 2 nodes for RAC - deploy production only here.
>
We are on windows as all our other servers are on Windows.<rude remark removed>
>
>
ThanksEdited by: onedbguru on May 4, 2012 3:26 PM

Problem on Installing RAC System - Oracle Linux 6.2 and 11gR2

Folks,
Hello. I just start to install 4-nodes RAC system using VMplayer 3. The host Operating System is Windows 7.
The Guest OS is Oracle Linux 6.2.
Because my computer's hard disk does not have enough space, I install the Guest OS Oracle Linux 6.2 into a external hard disk. But its speed is very slow. It has taken more than 24 hours by now, but still don't finish installing Oracle Linux 6.2.
Do any folk understand what's going on ? Is there any problem on Oracle Linux 6.2 ?

user8860348 wrote:
Folks,
Hello. I just start to install 4-nodes RAC system using VMplayer 3. The host Operating System is Windows 7.
The Guest OS is Oracle Linux 6.2.
Because my computer's hard disk does not have enough space, I install the Guest OS Oracle Linux 6.2 into a external hard disk. But its speed is very slow. It has taken more than 24 hours by now, but still don't finish installing Oracle Linux 6.2.
Do any folk understand what's going on ? Is there any problem on Oracle Linux 6.2 ?of course the problem is with Oracle Linux 6.2 & not with your VM implementation

Problem on Installing RAC System - Oracle Linux 6.2 as Guest OS

Folks,
Hello. I just start to install 4-nodes RAC system using VMplayer 3. The host Operating System is Windows 7.
The Guest OS is Oracle Linux 6.2.
Because my computer's hard disk does not have enough space, I install the Guest OS Oracle Linux 6.2 into a external hard disk. But its speed is very slow. It has taken more than 24 hours by now, but still don't finish installing Oracle Linux 6.2.
Do any folk understand what's going on ? Is there any problem on Oracle Linux 6.2 ?

user8860348 wrote:
Folks,
Hello. I just start to install 4-nodes RAC system using VMplayer 3. The host Operating System is Windows 7.
The Guest OS is Oracle Linux 6.2.
Because my computer's hard disk does not have enough space, I install the Guest OS Oracle Linux 6.2 into a external hard disk. But its speed is very slow. It has taken more than 24 hours by now, but still don't finish installing Oracle Linux 6.2.
Do any folk understand what's going on ? Is there any problem on Oracle Linux 6.2 ?of course the problem is with Oracle Linux 6.2 & not with your VM implementation

Oracle RAC binaries on vxfs shared file system

Hi,
Is it possible to install oracle binaries on vxfs cluster file system for oracle RAC under sun cluster? Because as I know we can not use vxfs cluster file system for our oracle datafiles.
TIA

The above post is incorrect. You can have a cluster (global) file system using VxVM and VxFS. You do not need to have VxVM/CVM for this. A cluster file system using VxVM+VxFS can be used for Oracle binaries but cannot be used for Oracle RAC data files where they are updated from both nodes simultaneously.
If further clarification is needed, please post.
Tim
---

Is VMPlayer3 supported by Oracle DB 11gR2 RAC system ?

Folks,
Hello. I have been running Oracle regular ( a single instance) Database 11gR1 successfully with Oracle Linux 5.6 as Guest OS in VMPlayer3 and with Windows 7 as Host OS for a long time.
Now, I am installing Oracle Database 11gR2 RAC system (2 nodes) in the same environment that is with Oracle Linux 5.6 as Guest OS in VMPlayer3 and with Windows 7 as Host OS.
I have installed Clusterware for 2 nodes. But it seems that VMPlayer3 is not supported by Oracle DB 11gR2 RAC system.
Only VMware Server 2.0.2 is supported. When I install VMware Server2.0.2 in Windows 7, the error message comes up as follows:
"Setup has detected that VMPlayer is already installed on this machine. Please uninstall this product through the Control Panel and try again."
This means we cannot installed VMPlayer3 and VMware Server 2.0.2 in one OS Windows 7. I have installed many VMs in VMPlayer3 and cannot uninstalled VMPlayer3.
My questions are:
Can any folk make sure whehter VMPlayer3 is supported by Oracle DB 11gR2 RAC system or not ?
If not, how to solve the issue that VMPlayer3 and VMware Server 2.0.2 cannot be installed in one OS Windows 7 ?
Thanks.

Folks,
Hello. As I know, VMPlayer 3 supports Oracle Linux 5.6 as Guest OS and Windows 7 as Host OS.
But when I am installing Clusterware and running the script root.sh, the error message comes up as follows:
"ADVM/ACFS is not supported on Oracle Linux-release-5-6-6.0.1".
My questions are:
First, what is ADVM/ACFS about ?
Second, can any folk make sure whether Oracle DB 11gR2 RAC system is compatible to run in Oracle Linux-release-5-6-6.0.1 in VMPlayer 3 with Windows 7 as Host OS ?
Thanks.

Oracle´s File system over GPFS on Oracle RAC

Hi all,
I would like to know which Oracle´s File systems should be over GPFS on a Oracle RAC implementation.
Regards,
Sebastian.
Edited by: user12549343 on 02-feb-2010 9:10

You didn't provide info about DB relase and OS.
But probably you are talking about AIX OS (I can't see any reason to use GPFS on Linux for RAC and I don't remember if this FS was/is supported for RAC on Linux (check Certification Matrix for this information)). Oracle is provides only one shared "filesystem" for AIX and it is ASM.
Now it depends on DB version what options you can use.
Till 11g R2 you have to store OCR and Voting disks outside of ASM (So you needed to use either RAW devices or Cluster Filesystem which GPFS is). Since 11g R2 you can store these disks in ASM directly.
On Linux if you don't want to use ASM to store database files you can use OCFS2 clusterfile system.

The Backup Process was killed by system when I Backup Oracle RAC

HI all：
I use RMAN and MML to backup my Oracle Rac. When it backup 60GB (it total 300GB),the oracle backup process was killed by the system.
the follow is the system log from syslog.log file:
Jan 5 10:54:57 hpux01 vmunix: Pid 24142 was killed due to failure in writing the signal context - possible stack overflow.
And the follow is the trc log from Oracle:
/ora_backup/szyy/orcl_ora_24142.trc
Oracle Database 10g Enterprise Edition Release 10.2.0.3.0 - 64bit Production
With the Partitioning, Real Application Clusters, OLAP and Data Mining options
ORACLE_HOME = /u01/app/oracle/product/10.2.0/racdb
System name:     HP-UX
Node name:     hpux01
Release:     B.11.31
Version:     U
Machine:     ia64
Instance name: orcl
Redo thread mounted by this instance: 1
Oracle process number: 131
Unix process pid: 24142, image: oracleorcl@hpux01
*** 2012-01-05 09:55:32.576
*** ACTION NAME:(0000067 STARTED16) 2012-01-05 09:55:32.567
*** MODULE NAME:(backup incr datafile) 2012-01-05 09:55:32.567
*** SERVICE NAME:(kmyb) 2012-01-05 09:55:32.567
*** SESSION ID:(4044.1365) 2012-01-05 09:55:32.567
WARNING:Oracle process running out of OS kernel I/O resources
*** 2012-01-05 09:58:59.396
*** ACTION NAME:(0000071 STARTED16) 2012-01-05 09:58:59.396
WARNING:Oracle process running out of OS kernel I/O resources
WARNING:Oracle process running out of OS kernel I/O resources
*** 2012-01-05 09:59:28.666
WARNING:Oracle process running out of OS kernel I/O resources
*** 2012-01-05 10:00:27.749
*** ACTION NAME:(0000073 STARTED16) 2012-01-05 10:00:27.749
WARNING:Oracle process running out of OS kernel I/O resources
WARNING:Oracle process running out of OS kernel I/O resources
*** 2012-01-05 10:04:40.215
*** ACTION NAME:(0000077 STARTED16) 2012-01-05 10:04:40.215
WARNING:Oracle process running out of OS kernel I/O resources
WARNING:Oracle process running out of OS kernel I/O resources
*** 2012-01-05 10:05:20.131
WARNING:Oracle process running out of OS kernel I/O resources
WARNING:Oracle process running out of OS kernel I/O resources
WARNING:Oracle process running out of OS kernel I/O resources
WARNING:Oracle process running out of OS kernel I/O resources
*** 2012-01-05 10:06:49.812
*** ACTION NAME:(0000079 STARTED16) 2012-01-05 10:06:49.812
WARNING:Oracle process running out of OS kernel I/O resources
WARNING:Oracle process running out of OS kernel I/O resources
*** 2012-01-05 10:07:23.498
WARNING:Oracle process running out of OS kernel I/O resources
WARNING:Oracle process running out of OS kernel I/O resources
WARNING:Oracle process running out of OS kernel I/O resources
*** 2012-01-05 10:09:06.092
*** ACTION NAME:(0000081 STARTED16) 2012-01-05 10:09:06.091
WARNING:Oracle process running out of OS kernel I/O resources
*** 2012-01-05 10:11:26.153
*** ACTION NAME:(0000083 STARTED16) 2012-01-05 10:11:26.153
WARNING:Oracle process running out of OS kernel I/O resources
WARNING:Oracle process running out of OS kernel I/O resources
WARNING:Oracle process running out of OS kernel I/O resources
*** 2012-01-05 10:12:50.144
*** ACTION NAME:(0000085 STARTED16) 2012-01-05 10:12:50.144
WARNING:Oracle process running out of OS kernel I/O resources
WARNING:Oracle process running out of OS kernel I/O resources
WARNING:Oracle process running out of OS kernel I/O resources
WARNING:Oracle process running out of OS kernel I/O resources
*** 2012-01-05 10:15:09.731
*** ACTION NAME:(0000087 STARTED16) 2012-01-05 10:15:09.731
WARNING:Oracle process running out of OS kernel I/O resources
*** 2012-01-05 10:17:47.068
*** ACTION NAME:(0000089 STARTED16) 2012-01-05 10:17:47.068
WARNING:Oracle process running out of OS kernel I/O resources
*** 2012-01-05 10:18:29.698
*** ACTION NAME:(0000091 STARTED16) 2012-01-05 10:18:29.698
WARNING:Oracle process running out of OS kernel I/O resources
WARNING:Oracle process running out of OS kernel I/O resources
WARNING:Oracle process running out of OS kernel I/O resources
*** 2012-01-05 10:20:32.236
*** ACTION NAME:(0000093 STARTED16) 2012-01-05 10:20:32.236
WARNING:Oracle process running out of OS kernel I/O resources
*** 2012-01-05 10:20:57.822
WARNING:Oracle process running out of OS kernel I/O resources
*** 2012-01-05 10:23:11.251
*** ACTION NAME:(0000095 STARTED16) 2012-01-05 10:23:11.251
WARNING:Oracle process running out of OS kernel I/O resources
WARNING:Oracle process running out of OS kernel I/O resources
WARNING:Oracle process running out of OS kernel I/O resources
*** 2012-01-05 10:25:21.496
*** ACTION NAME:(0000097 STARTED16) 2012-01-05 10:25:21.496
WARNING:Oracle process running out of OS kernel I/O resources
*** 2012-01-05 10:26:40.743
*** ACTION NAME:(0000099 STARTED16) 2012-01-05 10:26:40.743
WARNING:Oracle process running out of OS kernel I/O resources
WARNING:Oracle process running out of OS kernel I/O resources
*** 2012-01-05 10:26:52.331
WARNING:Oracle process running out of OS kernel I/O resources
*** 2012-01-05 10:27:11.566
WARNING:Oracle process running out of OS kernel I/O resources
WARNING:Oracle process running out of OS kernel I/O resources
*** 2012-01-05 10:27:24.826
WARNING:Oracle process running out of OS kernel I/O resources
*** 2012-01-05 10:31:00.760
*** ACTION NAME:(0000103 STARTED16) 2012-01-05 10:31:00.759
WARNING:Oracle process running out of OS kernel I/O resources
*** 2012-01-05 10:31:25.595
WARNING:Oracle process running out of OS kernel I/O resources
*** 2012-01-05 10:31:45.456
WARNING:Oracle process running out of OS kernel I/O resources
WARNING:Oracle process running out of OS kernel I/O resources
*** 2012-01-05 10:33:58.612
*** ACTION NAME:(0000105 STARTED16) 2012-01-05 10:33:58.612
WARNING:Oracle process running out of OS kernel I/O resources
WARNING:Oracle process running out of OS kernel I/O resources
*** 2012-01-05 10:35:13.323
*** ACTION NAME:(0000107 STARTED16) 2012-01-05 10:35:13.323
WARNING:Oracle process running out of OS kernel I/O resources
*** 2012-01-05 10:37:59.764
*** ACTION NAME:(0000109 STARTED16) 2012-01-05 10:37:59.764
WARNING:Oracle process running out of OS kernel I/O resources
WARNING:Oracle process running out of OS kernel I/O resources
WARNING:Oracle process running out of OS kernel I/O resources
*** 2012-01-05 10:42:27.364
*** ACTION NAME:(0000113 STARTED16) 2012-01-05 10:42:27.364
WARNING:Oracle process running out of OS kernel I/O resources
WARNING:Oracle process running out of OS kernel I/O resources
WARNING:Oracle process running out of OS kernel I/O resources
*** 2012-01-05 10:46:54.632
*** ACTION NAME:(0000117 STARTED16) 2012-01-05 10:46:54.632
WARNING:Oracle process running out of OS kernel I/O resources
*** 2012-01-05 10:47:52.295
*** ACTION NAME:(0000119 STARTED16) 2012-01-05 10:47:52.295
WARNING:Oracle process running out of OS kernel I/O resources
*** 2012-01-05 10:52:31.041
*** ACTION NAME:(0000123 STARTED16) 2012-01-05 10:52:31.041
WARNING:Oracle process running out of OS kernel I/O resources
*** 2012-01-05 10:54:20.123
*** ACTION NAME:(0000125 STARTED16) 2012-01-05 10:54:20.123
WARNING:Oracle process running out of OS kernel I/O resources
*** 2012-01-05 10:54:41.410
WARNING:Oracle process running out of OS kernel I/O resources
WARNING:Oracle process running out of OS kernel I/O resources

This was a bug in 10.2.0.3. It is fixed in 10.2.0.5. See MOS note 748607.1

Oracle rac system concept

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