Need 10g RAC material

Hello Friends,
I need Oracle 10g RAC material. When I search for that, always I get a list of installation of RAC on different OS. But I need a material where I can understand the concepts of RAC, how it works, its architecture, etc.
Please provide me the material.
My id is :
[email protected]
Thanks
Akshay

Please ask the question in a RAC forum.
Please consider using the Oracle documentation at http://tahiti.oracle.com or http://docs.oracle.com

Similar Messages

10g RAC startup process

Can sombody tell me how the RAC instance will start. I know like CSS is the first process to start and then what happens how everything comes up.
Thanks

Maverick wrote:
thanks for the reply.
The link you have provided is for 11g i think
i Need 10g RAC startup process.
ThanksStopping the Oracle RAC 10g Environment
The first step is to stop the Oracle instance. When the instance (and related services) is down, then bring down the ASM instance. Finally, shut down the node applications (Virtual IP, GSD, TNS Listener, and ONS).
$ export ORACLE_SID=orcl1
$ emctl stop dbconsole
$ srvctl stop instance -d orcl -i orcl1
$ srvctl stop asm -n linux1
$ srvctl stop nodeapps -n linux1
Starting the Oracle RAC 10g Environment
The first step is to start the node applications (Virtual IP, GSD, TNS Listener, and ONS). When the node applications are successfully started, then bring up the ASM instance. Finally, bring up the Oracle instance (and related services) and the Enterprise Manager Database console.
$ export ORACLE_SID=orcl1
$ srvctl start nodeapps -n linux1
$ srvctl start asm -n linux1
$ srvctl start instance -d orcl -i orcl1
$ emctl start dbconsole
Start/Stop All Instances with SRVCTL
Start/stop all the instances and their enabled services. I have included this step just for fun as a way to bring down all instances!
$ srvctl start database -d orcl
$ srvctl stop database -d orcl
reference:http://www.rampant-books.com/art_hunter_rac_start_stop_cluster.htm
refer the links for more informations:
Starting and Stopping Instances and Oracle Real Application Clusters Databases
http://download.oracle.com/docs/cd/B19306_01/rac.102/b14197/dbinstmgt.htm#BCEBGHHC
Server Control Utility Reference
http://download.oracle.com/docs/cd/B19306_01/rac.102/b14197/srvctladmin.htm
answered by ssolbach
Just a minor comment on the stop nodeapps.
While it is fine to stop the nodeapps on the server, the drawback to this is, that the VIP will not failover if you stop the nodeapps, but will be stopped.
Hence if you only shutdown one server, then you are causing clients to fail to connect to the VIP and having to wait for the TCP/Timeout.
So if you are not going to shut down all the server, but just want to shutdown one node, you should failover the VIP the the other node.
See: Note 749160.1 Vip Does Not Failover When Nodeapps Stopped
So it is sometimes better instead of stopping the nodeapps, to simply shutdown the cluster with crsctl stop crs (which will failover the VIP).
Sebastian
reference:-
Re: RAC Questions

DO I need SFRAC for Oracle 10g RAC on Sun Solaris

My platform is SUN Solaris 10 64 bit on v490 server. On the backend side, we are using EMC CX500 storage. We will use Veritas File system and Veritas CFS.
I would like to ask, Do I must need SFRAC to configure Oracle 10g RAC or Can I just use only Oracle CRS. I do not want to use ASM.
Please advise
Thanks,
Sam..

The VCFS usually requires a Veritas Cluster, thus you would have to use the product combination that is bundled as SFRAC as mentioned before. Metalink in addition says:
10 10gR2 64-bit Veritas Storage Foundation for Oracle RAC 5.0 Certified
There is one exception to this rule: Linux.
Veritas and Oracle support a standalone version of the Veritas Cluster Files System (and only this component) on Linux. This does not hold true for Solaris.
Concluding, if you want to use the VCFS you would need to get a VCS, which then basically means using SFRAC.
However, in this case, as mentioned before, you would not need ASM.

Need to change IP address and host name on a ORACLE 10g RAC setup.

Hi Forum,
I have a task to change the IP address, host name and host related details for the ORACLE 10g RAC 2 node setup. So Can anyone tell me the procedure to do the same on both the nodes.
Regards
Prakash

change IP Address Public + VIP + Interconnect
http://surachartopun.com/2007/01/i-want-to-change-ip-address-on-oracle.html
change VIP name
http://surachartopun.com/2009/01/change-vip-hostname-on-oracle-rac.html
If you'd like to change HOSTNAME... Metalink (NOTE:220970.1)
Can I change the public hostname in my Oracle Database 10g Cluster using Oracle Clusterware?
Hostname changes are not supported in Oracle Clusterware (CRS), unless you want to perform a deletenode followed by a new addnode operation.
The hostname is used to store among other things the flag files and Oracle Clusterware stack will not start if hostname is changed.
Changing the Private Interconnect
o Change of the IP Address: change the IP address in the hosts file and/or DNS and make sure that ASM and the database also use the same interconnect
o Change of the private node name used by Oracle Clusterware: requires a reinstall of Oracle Clusterware
So, Public or Private hostnames can only be changed by removing/adding nodes, or reinstalling Oracle Clusterware. VIP Hostnames can be changed
But you can read this idea (reinstall CRS)
http://www.pythian.com/news/482/changing-hostnames-in-oracle-rac
http://surachartopun.com/2008/12/change-hostnames-oracle-rac.html
Edited by: Surachart Opun (HunterX) on Oct 25, 2009 10:58 PM

MULTIPLE USERS 10G RAC ORACLE_HOME INSTALL WITH ASM/CRS

Hi,
We need to install multiple 10g RAC databases on a two node Sun servers. Below is our configuration:
1) Sun Solaris (ver 10) with Sun Cluster 3.2
2) One ASM/CRS install (by 1 OS account)
3) Four ORACLE_HOME 10g database install (by 4 different OS user accounts)
We would like to use one ASM instance for all four databases with appropriate privileges.
OS User:           OS Group
========      =========
oraasm           dbaasm - (ASM and CRS install owner)
ora1           dbaora1 - first db owner
ora2           dbaora2 - second db owner
ora3           dbaora3 - third db owner
ora4           dbaora4 - fourth db owner
I understand that certain privileges need to be shared between ASM/CRS and DB owners. Please let me know the steps to be followed to complete this install.
Thanks in advance.

Hi
Please read that: Documentation http://download.oracle.com/docs/html/B10766_08/intro.htm
- You can install and operate multiple Oracle homes and different versions of Oracle cluster database software on the same computer as described in the following points:
-You can install multiple Oracle Database 10g RAC homes on the same node. The multiple homes feature enables you to install one or more releases on the same machine in multiple Oracle home directories. However, each node can have only one CRS home.
-In addition, you cannot install Oracle Database 10g RAC into an existing single-instance Oracle home. If you have an Oracle home for Oracle Database 10g, then use a different Oracle home, and one that is available across the entire cluster for your new installation. Similarly, if you have an Oracle home for an earlier Oracle cluster database software release, then you must also use a different home for the new installation.
If the OUI detects an earlier version of a database, then the OUI asks you about your upgrade preferences. You have the option to upgrade one of the previous-version databases with DBUA or to create a new database using DBCA. The information collected during this dialog is passed to DBUA or DBCA after the software is installed.
- You can use the OUI to complete some of the de-install and re-install steps for Oracle Database 10g Real Application Clusters if needed.
Note:
Do not move Oracle binaries from one Oracle home to another because this causes dynamic link failures.
. If you are using ASM with Oracle database instances from multiple database homes on the same node, then Oracle recommends that you run the ASM instance from an Oracle home that is distinct from the database homes. In addition, the ASM home should be installed on every cluster node. This prevents the accidental removal of ASM instances that are in use by databases from other homes during the de-installation of a database's Oracle home.

10g RAC upgrade to 11g RAC

How to perform 10g RAC upgrade to 11g with Dataguard in place?
OS=LINUX
RDBMS=10.2.0.4
DG=PHYSICAL STANDBY
Below is my understanding
1)Install 11g CRS in NEW_CRS_HOME
2)Install 11g in NEW_ASM_HOME
3)Install 11g in NEW_RDBMS_HOME
4)Export the new NEW_ORACLE_HOME and start up the database with startup upgrade.
5) Run the catupgrade.sql script.
Are there any other steps involve?
In case I have to rollback then how to rollback CRS.

Personally I would use DBUA instead of catupgrade.sql, but make sure you follow the upgrade documentation for pre-checks etc. You will also need to use netca to recreate the sqlnet listeners in the 11g homes and register with 11g CRS.
CRS is generally fairly quick to re-install and re-register databases, and this is cleaner than trying to restore OCR and VOTE disks etc. If you prefer to rollback be sure you backup the OCR and VOTE disks (e.g use dd), backup /etc/oracle, CRS_HOME, /etc/init* scripts etc.
The dataguard standby database should roll forward through the upgrade, but you will need to manually register the standby with 11gCRS. Make sure you have your DB and Log create_file_dest's set, as well as standby_file_management=auto. Personally I would manually recover the standby after the upgrade in case I need to use it to fallback.
Edited by: rgeier on Sep 1, 2009 3:51 PM

10g RAC - should I use RAW, OCFS and/or ASM ?

I am about to install 10G RAC on RHAS3. Options for sharing disk partitions are raw, OCFS and ASM. The OCR and voting files must be raw or OCFS, I would tend to go for OCFS in this case. For the Oracle datafiles, again, I would tend to go for OCFS simply for ease of management since ASM seems to add another layer of complexity, and raw lacks flexibility. OCFS however is also new technology and may still have some stability issues. I'm not yet sure of our disk configuration, but there will be HBA cards in each machine with one or two SAN partitions, so I don't expect some of the ASM features such as mirroring etc. will be required as this will be done in the hardware. Does anyone have any recommendations or experiences(good or bad) in which way to go ?
Philip

We're using raw partitions for some years now, (since oracle 8i, then 9i and now 10g). It is quite flexible, but you shouldn't use physical partitions but LVM. It's very stable.
Now on 10g we're using ASM on some sites where mirroring is needed. It works, but not so stable as raw. we discover some bugs as well.
We've never used OCFS. I don't like it. To much limits. I belive that special utilities are needed for managing files. I don't like linux system software produced by oracle.

ASM 10g RAC

Hi Team,
We are using 10g RAc with ASM file system....here the problem is ..One of our engineer by mistake added a datafile in File System insted of adding into ASM disk groups.. it has created in node1 oracle home location....and the file is currently used by database....
295 +DG8/datafile/pm_tdat1_084.dbf                     10240
296 +DG9/datafile/pm_tdat_001.276.771180789            10240
*297 /oracle/product/10.2.0/db_1/dbs/+DG5 5120*
298 +DG9/datafile/pm_tidx_001.277.771224587             5120
How to make this as ASM file system..!!
Thanks,
MM
Edited by: user7439393 on Dec 30, 2011 12:29 AM

The backup into the ASM diskgroup can be done online.
For the switch to copy and the following recover datafile, the datafile needs to be set offline, though.
The amount of Redo, generated during the Online Backup determines the time the recovery will need.
Kind regards
Uwe Hesse
http://uhesse.wordpress.com

Oracle 10g RAC

Hi All,
I am a research student currently struggling to install Oracle 10g RAC on Windows OS.What i understand about a Oracle RAC database system is that it involves a configuration of multiple hosts or servers joined together with a clustering software and accessing the shared disk structures.What i also understand is that i need a CRS provided by Oracle for a Windows or Linux based RAC installation.
What i don't understand is for a Two node RAC system do i need a Third machine which has the shared storage device.If yes do i have to install a copy of Oracle 10g Enterprise Edition and CRS on the shared storage device moreover do i need to install a copy of Oracle 10g Enterprise edition on each of the nodes or just the clusterware is enough.

Hi Salil
No, you do not need a third machine. You can even setup RAC as a single node on one machine! What you do need is to have some sort of cluster aware file system. Try looking at OCFS on Windows in your case.
If you are interested in a Linux example please have a look at the examples at http://ocpdba.net/oracle9i_rac/cheaprac.html and http://ocpdba.net/oracle10g_rac for an OCFS implementation I am working on.
regards,
Ahbaid

Oracle 10g RAC on Windows

Installed Oracle 10g RAC on Windows... Everything was
working fine, now when I install CRS it completed at 100% and then in the configuration it gives error
INFO: exitonly tools to be excuted passed: 0
INFO: Starting to execute configuration assistants
INFO: Command = C:\WINDOWS\system32\cmd /c call C:\oracle\product\10.2.0\crs/install/crssetup.config.bat
PROT-1: Failed to initialize ocrconfig
Step 1: checking status of CRS cluster
Step 2: creating directories (C:\oracle\product\10.2.0\crs)
Step 3: configuring OCR repository
ocr upgrade failed with (-1)
Execution of the plugin was aborted
INFO: Configuration assistant "Oracle Clusterware Configuration Assistant" was canceled.
*** Starting OUICA ***
Oracle Home set to C:\oracle\product\10.2.0\crs
Configuration directory is set to C:\oracle\product\10.2.0\crs\cfgtoollogs. All xml files under the directory will be processed
INFO: The "C:\oracle\product\10.2.0\crs\cfgtoollogs/configToolFailedCommands" script contains all commands that failed, were skipped or were cancelled. This file may be used to run these configuration assistants outside of OUI. Note that you may have to update this script with passwords (if any) before executing the same.
I am using VMware WorkStation 5
http://www.oracle-base.com/articles/10g/OracleDB10gR2RACInstallationOnWindows2003UsingVMware.php
I can see my disks from both machines. Open the "Computer Management" dialog (Start > All Programs > Administrative Tools > Computer Management
I use Windows XP SP2 as the host operating system
Any suggestion?
Message was edited by:
MEXMAN

You know its not certified?
My first thought when I read the subject of this thread, and before reading what you posted, is that you've either done no research on RAC or didn't understand what you've read.
You can create a RAC cluster using any operating system certified by Oracle.
But the operating system is the least important part of creating a cluster. The questions you need to be able to address are:
1. What is your solution to created shared storage?
2. What is your solution to create the cache fusion interconnect and VIPs?
If you don't have an answer to these questions you can not build a RAC cluster.

Oracle 10g RAC using ASM - Storage Issue

I’ve an issue related to Oracle 10g RAC.
I’ve 2 node cluster each being Dell 2850 Server with RHEL 4.0
I’ve EMC CX300 SAN storage with following partitions
/orasoft     10 Gb          OCFS2 File system
/oracrs          2 Gb          OCFS2 File system
/orabackup      100 Gb          OCFS2 File system
The datafiles are on ASM which is not directly visible in OS.
I’ve common Oracle Home installed in /orasoft/db_1 which is shared by both nodes in cluster.
I’ve faced an issue recently related to EMC storage.
The /orasoft partition displays 1.4 Gb space available using df command.
With both nodes sharing the common Oracle Home (/orasoft/db_1), when ever I try to touch a file I get an error as No Space left on device. I’m unable to start any service with the same reason.
Is this setup correct ??
Can anyone help me with this storage issue ??

Need a clarification here...what do you mean by "Storage System"...do you mean a server/node or the SAN storage system. If you are referring to a server/node's local storage, then it would NOT be possible for use by RAC, since the disk space has to be shared among the nodes.
Here is what you can do:
- Create two partitions/devices (for example Disk_1 and Disk_2) in the SAN storage
- Create a ASM disk group which would mirror Disk_1 to Disk_2.
Again, please note that the partitions have to be visible and be accessible read/write from both the nodes/servers.
HTH
Thanks
Chandra Pabba

Oracle 10g RAC+ASM - Storage Issue

I’ve an issue related to Oracle 10g RAC.
I’ve 2 node cluster each being Dell 2850 Server with RHEL 4.0
I’ve EMC CX300 SAN storage with following partitions
/orasoft     10 Gb          OCFS2 File system
/oracrs          2 Gb          OCFS2 File system
/orabackup      100 Gb          OCFS2 File system
The datafiles are on ASM which is not directly visible in OS.
I’ve common Oracle Home installed in /orasoft/db_1 which is shared by both nodes in cluster.
I’ve faced an issue recently related to EMC storage.
The /orasoft partition displays 1.4 Gb space available using df command.
With both nodes sharing the common Oracle Home (/orasoft/db_1), when ever I try to touch a file I get an error as No Space left on device. I’m unable to start any service with the same reason.
Is this setup correct ??
Can anyone help me with this storage issue ??

Hi,
If you create a new diskgroup you may be to add the same diskgroup to parameter file or spfile and which will be needing down time.
sugestion: Instead of creating new diskgroup you should to add disk to existing group.if you add asm disk to existing group your all problem will be solved and Oracle itself will be managing all.And than i am sure no need to add entry in the parameter or spfile like +db_create_file_dest=.....
regards,
Sher khan

Using Clob with TopLink 9.0.4.5 and Oracle 10g RAC

I am trying to store an XML file in a Clob type field of a DB table using TopLink 9.0.4.5 and Oracle 10g RAC and need some guidance about how to do it. I got some directions to start it with the Tip "How-To: Map Large Objects (LOBs) to Oracle Databases with OracleAS TopLink" but still need some more helps.
When using the Oracle JDBC OCI driver, the tip gives the code block for a Clob field:
DirectToField scriptMapping = new DirectToField();
scriptMapping.setAttributeName("script");
scriptMapping.setFieldName("IMAGE.SCRIPT");
descriptor.addMapping(scriptMapping);
As I understand, TopLink creates instances of the Descriptor class at run time for each of the descriptor files and stores them in a database session, where is the proper place (in SessionEvent of TopLinkSessionEventHandler?) for me to get a reference to such an instance of my Descriptor class in Java code so that I can add the above mentioned additional Mapping? Are the above String values of "script" and "IMAGE.SCRIPT" predefined in TopLink API? Can I accomplish the same thing just using the TopLink Workbench tool instead? If yes, please advise the detailed steps to do so.
The tip also states to call the following code in case of using Clob:
DatabaseLogin login = session.getLogin();
login.useStringBinding();
Should the above 2 lines of code be called after the following lines of code?
SessionManager sessionManager = SessionManager.getManager();
Server serverSession = (Server)sessionManager.getSession("MY_SESSION_NAME");
Besides the above extra coding for the Session and Descriptor Mapping, is there any special handling in between Data model and DB table mapping? Can I map a Java String type to a DB Clob field using the Direct-to-field mapping?
Appreciate any help.

Never mind ....... I had already figured it out .....

NIC ROUTER requirement for 10g RAC database

I need to know what hardware to order in setting up an 10g RAC database without a single-point-of-failure. My question centers on the networks. If each server has one NIC for the public interface and one NIC for the private interconnect, aren't the routers these NICs are attached to a single point of failure? If each server has two NICs bonded together for the public interface and two NICs bonded together for the private interconnect, does each NIC attach to a different router?

sayantan chakraborty wrote:
is RDMA and infiband ar same??Infiniband is a switched fabric layer for high speed communication. RDMA is a protocol for "+remote direct memory access+".
Infiniband supports the Internet Protocol suite over Infiniband, or IPoIB. It also supports RDMA over Infiniband.
so do we need only infiband SDR / QDR switch to set infiband OR what else??You need an Infiniband switch - Cisco and Voltaire are two companies that supply this type of hardware. The latter is used by Oracle in its Exadata database machines. Unsure about Cisco's commitment to Infiniband switches as they have discontinued their Infiniband switches with integrated fibre channel gateways. A sore point with us after we bought into this technology about 2 years ago, in part on their very own recommendations - and now own very expensive, somewhat buggy and totally unsupported hardware. Seems like the new Cisco California servers are GigE and not Infiniband, which perhaps explain this (flawed) decision of theirs...
For each cluster node, you need an Infiniband PCI card (typically has 2 ports). If you are going to use bonding, you will need a pair of Infiniband cables per server. Also remember to get spares - both PCI cards and cables.
If you want redundancy at the switch, you need to get yourself 2 Infiniband switches.
But if you're planning to invest this into a RAC cluster, then surely you should also invest money in RAC licensing and support - and with that gain access to very useful documentation like the RAC Starter Kit and so on.

Problem with Oracle 10g RAC VIP network setting at Solaris 9

Dear All,
I have tried to set up a Oracle 10g RAC Release 2.
With OS solaris 9, and 2 nodes.
The nodes setting as the following:
nodes 1:
Public address: 172.16.0.121
Private address: 192.168.0.121, 192.168.1.121 (dual path for heart beat)
nodes 2:
Public address: 172.16.0.122
Private address: 192.168.0.122, 192.168.1.122
And i have assigned two IP adress 172.16.0.131, 172.16.0.132 as the VIP address for the
RAC.
And the following is the /etc/hosts file:
root@shk01 # cat /etc/hosts
# Internet host table
127.0.0.1 localhost
# public address
172.16.0.121 shk01 loghost
172.16.0.122 shk02
# heart beat
192.168.0.121 shk01-priv1
192.168.1.121 shk01-priv2
192.168.0.122 shk02-priv1
192.168.1.122 shk02-priv2
# VIP address
172.16.1.131 vip-shk01
172.16.1.132 vip-shk02
But when i run the command "$ ./runcluvfy.sh comp nodecon -n shk01,shk02 -verbose"
it shows the error:
ERROR:
Could not find a suitable set of interfaces for VIPs.
Result: Node connectivity check failed.
I did try to add the VIP address on bge0:1, as i using bge0 for the public address.
Both nodes i did using the same interface name for it.
Anyone have idea for me to check out the error?
Also, I have other question about the raw device.
As there is option for setting for ASM or raw device. If choosing raw device, does it mean that it just need to
format the storage disk but without newfs it? And then the Oracle program will able to handle it?
Thanks,
Xentar

You don't seem to state categorically that you are using Solaris Cluster, so I'll assume it since this is mainly a forum about Solaris Cluster (and IMHO, Solaris Cluster with Clusterware is better than Clusterware on its own).
Clusterware has to see the same device names from all cluster nodes. This is why Solaris Cluster (SC) is a positive benefit over Clusterware because SC provides an automatically managed, consistent name space. Clusterware on its own forces you to manage either the symbolic links (or worse mknods) to create a consistent namespace!
So, given the SC consistent namespace you simple add the raw devices into the ASM configuration, i.e. /dev/did/rdsk/dXsY. If you are using Solaris Volume Manager, you would use /dev/md/<setname>/rdsk/dXXX and if you were using CVM/VxVM you would use /dev/vx/rdsk/<dg_name>/<dev_name>.
Of course, if you genuinely are using Clusterware on its own, then you have somewhat of a management issue! ... time to think about installing SC?
Tim
---

Need 10g RAC material

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