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information for this resource on all nodes is recorded in the grd of Master node, while Shadow node's GRD only needs to record the usage of the resource on that node, which is actually the PCM lock information. PCM Lock has 3 properties: Mode,role and PI (past Image)Two RAC schemaChanges in 2.1 SGACompared to the traditional single instance, the most significant change in the SGA Insance is one more GRD part. Data operations in
Oracle 10g 10.2.0.1 in Oracle Linux 5.4 32Bit RAC installation manual (a touch of Xiangyang), 10.2.0.1 installation manual Oracle 10g 10.2.0.1 installation manual in Oracle Linux 5.4 32Bit rackets (step by step) Http://download.csdn.net/detail/rlhua/7699223 How to install
Tags: Oracle Tutorials Oracle Training Oracle Database Tutorials Oracle Engineers training Oracle Database Training Course Objectives Wind This course explains the Oracle RAC clus
How to update a patch (Rolling Patch) in the Oracle RAC EnvironmentThe Oracle RAC database environment has many similarities and differences with the single-instance database environment. You can use opatch to update database patches. However, there are several different update Methods for the
Oracle Study-aix6.1 Building Oracle 10GR2 RAC (4)I. Installation of CRS patchesbefore installing CRS, you need to install patch p6718715_10203_aix64-5l, or you will see a "node not found" error during installation. [[email protected]/] #cd/home/oracle/p6718715_10203_aix64-5l/ Once the patch is unpacked, simply run "roo
Oracle Study--oracle 12c RAC Install (ii) Third, install the grid infrastructure 1. Install GI software [Root@node1 grid]#./runinstaller 2. Run the script [root@node1 cvu_12.1.0.2.0_grid]#/u01/app/orainventory/orainstroot.sh changing permissions of/u01/app/orainventory. Adding Read,write permissions for group. Removing Read,write
Full explanation of Oracle 10g RAC Installation Directory1. ORACLE Database RAC description... 1-21.1RAC system description... 1-21.2 preparations before installation... 1-21.2.1 hardware preparations... 1-21.2.2 quasi-work on software... 1-22. Installation preparation... 2-32.1 modify the network configuration file...
When activating and disabling OracleRAC, you must pay attention to the following points: 1. Check the shared device 2. Automatically Start RAC and check the related process 3. manually start RAC 4. When starting and disabling Oracle RAC, you must pay attention to the following points: 1. Check the shared device 2. Auto
Label:Introduction to cluster concept (i) Overview: write down the original intent and motivation of this document, derived from the Oracle Basic operating Manual of the previous article. The Oracle Basic Operations Manual is a summary of the author's vacation on Oracle's foundational knowledge learning. Then form a summary of the system, a review review, the other is easy to use. This document is
Tags: cal har pen setting Shu official root linking hostLinux platform Oracle 10GR2 (10.2.0.5) RAC installation Part2:clusterware installation and upgradeEnvironment: OEL 5.7 + Oracle 10.2.0.5 RAC 3. Installing Clusterware 3.1 Extracting Clusterware Mounting media 3.2 Starting the installation of Clusterw
go to the server's tnsnames. ora Find ah, can not find of course parsing can not ah, and then the error: ORA-00132: syntax error or unresolved network name 'listener1' In the RAC environment, client connection, sometimes receive ORA-12545: because the target host or object does not exist, the troubleshooting method for connection failure is the same... The story is called here, And Local_listener has two f
name of each resource, and the other node is called Shadow node. The usage information for this resource on all nodes is recorded in the grd of Master node, while Shadow node's GRD only needs to record the usage of the resource on that node, which is actually the PCM lock information. PCM Lock has 3 properties: Mode,role and PI (past Image)Two RAC schemaChanges in 2.1 SGACompared to the traditional single instance, the most significant change in the
The installation of the Oracle RAC database is more complex than that of a standalone database, because the entire installation process involves network, operating system, and storage. Improper configuration of one link may lead to installation failure. This article describes the installation process of the RAC database in detail. 1. System Configuration Requirem
Tags: install path get nod suitable active Targe operation nload Existing Oracle Study-aix6.1 Building Oracle 10GR2 RAC (4) I. Installation of CRS patches before installing CRS, you need to install patch p6718715_10203_aix64-5l, or you will see "Node not found" error during installation. [[email protected]/] #cd/home/oracle
, the 11.2.0.1 RAC that is installed on the virtual machine is chosen 11.2.0.1 because of problems with public IP and private network segments. During the installation instance, the computer crashes and restarts, and CRS fails to start. [Root@rac1 bin]#./crsctlstart CRS Crs-4124:oracle highavailability Services startup failed. Crs-4000:command startfailed, or completed with errors. [Root@rac1 bin]# Ps-ef|
security of the database, once lost, it is difficult to find back. Therefore, it is hoped that through the establishment of database clusters, the redundancy of the data set, the backup data to ensure security. Classification of database clusters Database cluster technology is a technology that combines multiple servers to form a cluster to achieve comprehensive performance better than a single large server, this technology can not only meet the need of application, but also save the investment
After two tests, RAC is very fragile.1. Remove the public network cable of Rac1 and stand next to rac2 to see the changes. It is found that the VIP is quickly converted to rac2 and users can still use it.2.1 minutes later, rac2 restarts automatically. Check that the shared disk cannot be mounted. Another colleague is in config San and cannot determine whether the shared disk is actually faulty.3. Simply perform a more aggressive test, remove the power
RedHat EL5 Installing the Oracle 10g RAC--oracle Software InstallationSystem environment:Operating system: RedHat EL5Cluster:oracle CRS 10.2.0.1.0Oracle:oracle 10.2.0.1.0: RAC System Architecture650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M00/26/28/wKioL1Np_tziLDXcAAGvUOVml00321.jpg "title=" Rac.png "alt=" W
First, view RAC Environment RAC Architecture, 2 node information Node 1 Sql> Show Parameter instance NAME TYPE VALUE ------------------------------------ ----------- ----------------------------------------------- Active_instance_count integer Cluster_database_instances Integer 2 Instance_groups string instance_name string RACDB1 Instance_number Integer 1 Instance_type string RDBMS Open_links_per_instanc
In Oracle 11g RAC, it is found that both the Solaris and GSD services are in the offline status, which is the default situation of Oracle 11g RAC. Even so, the use of the database is not affected, because the resource for the WLM is used, WLM is available in 11.2.0.2. GSD is used to support interaction tools such as db
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