oracle rac cluster

Tags: OracleOracle 10g RAC Installer failure--oracle Software Installation Unable to discover the clusterSystem environment:Operating system: AIX 5300-08Cluster Software: CRS 10.2.0.1Database: Oracle 10.2.0.1First, the phenomenon of fault650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M02/53/7F/wKioL1RpcUHSbh9YAAHA2NM5OeA678.jpg "title=" Rac3.png "alt=" Wk

I. Introduction One of the most effective ways to familiarize yourself with Oracle's true application cluster (RAC) 10g technology is to access an actual Oracle RAC 10g cluster. There is no way to better understand their benefits than simply experiencing them-including fault

Summary of Oracle 11gR2 RAC cluster Service Startup and Shutdown Introduction: the source of this article is that one of my students recently set up a RAC cluster in the company, but the sequence and principle of its startup and shutdown are not very clear, I also found that

Note: This article is excerpt from Zhang Xiaoming Oracle RAC: Cluster high availability backup and recoveryBecause the cluster environment needs multiple computers to work together, to achieve the ideal state, we must consider the new challenges facing the cluster environmen

Rac1 is not running on node Rac1Instance Rac2 is not running on node race2. Stop have (high availability Services), must be operated as root user[Email protected] oracle]# Cd/u01/grid/11.2.0/grid/bin[Email protected] bin]#./crsctl Stop Has-f[Email protected] bin]#./crsctl Stop Crs-fThis command only shuts down the CRS service for the current node, so it needs to be executed on all nodes of the RAC, as well

Failed to upgrade Oracle Cluster Registry configuration, raccluster during 10g rac Installation Failed to upgrade Oracle Cluster Registry configuration was encountered during 10g rac installation, because the BUG was triggered by

10G RAC installation encountered the failed to upgrade Oracle Cluster Registry configuration, caused by the use of the DMM multipath software Device-mapper-multipath to trigger this bug.About the DMM multi-path software Device-mapper-multipath installation RAC, reference document Configuring RAW Devices (Multipath) for

installation files? Installing the cluster software under the Oracle Grid infrastructure Architecture? Install the database software and create the databaseIV: Managing Oracle DB Instances and RAC databases? Oracle RAC Database m

Oracle Cluster (RAC) startup and shutdown The following points need to be noted when Oracle RAC starts and shuts down: First, check the shared device Second, automatically start RAC and check related processes Third, manually star

Briefly describe the process of adding a node in the Oracle 10203 for Solaris SPARC Dual-node environment. Shared storage is already configured on a third node, which focuses on the configuration on the operating system and on Oracle. This article describes the establishment of cluster software. On the new node racnode3, authorize the bare devices on the shared

In most businesses, the main business requirement for true Oracle Application cluster (RAC) configuration based on the Linux platform is the scalability of the database layer in the entire system-in this way, when the number of users increases, you can add additional instances to the cluster to distribute the load. In

The first is several terms that need to be understood: a cluster refers to the physical connection of multiple computers. RAC is short for Oracle Real Application cluster. Official Chinese documents are generally translated as "real application cluster". It generally consist

3select* fromdba_sourceunion 4select*fromdba_ sourceunion 5select*fromdba_sourceunion 6select*fromdba_sourceunion 7 select*fromdba_sourceunion 8select *fromdba_sourceunion 9select*from dba_sourceunion 10select*fromdba_sourceunion 11select*fromdba_source); sql> shutdown Abort ORACLE instance shut down.5. We'll go to the 11GRAC1 and see the results of step 3rd.Sql> Select Inst_id,sid from gv$session where username= ' SCOTT '; inst_id SID -------------

Oracle database Cluster disaster tolerance implementation and maintenance (Rac+dataguard+goldengate) Training TutorialsPackage Description:Wind Brother Oracle Database Cluster disaster Recovery (rac+dataguard+goldengate) Implement

The database was uninstalled in the previous article, and the database software was deleted. As has been mentioned at the beginning of the article, improper unloading of the RAC environment can cause problems. Normally, you should uninstall the modifications made by cluster first, and then uninstall Clusterware. It should normally be performed under the Ora_cls_home directory:/install/rootdelete.sh remote

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

Tags: Oracle 12c RAC ClusterEnvironment preparationNode One: CentOS 6.8 x86-64CPU:4C Memory: 8g swap:8gBusiness ip:192.168.50.20 Private Network ip:10.98.50.20Node two: CentOS 6.8 x86-64CPU:4C Memory: 8g swap:8gBusiness ip:192.168.60.21 Private Network ip:10.98.50.21Database and cluster Software:Linuxamd64_12102_grid_1of2.zipLinuxamd64_12102_grid_2of2.zipLinuxamd

Tags: openfiler 12c oss sha Hyper-converged to address ADO RAC improvementsWith a lot of Oracle RAC, shared storage is used. Dual controller with full disk, 15000 rpm SAS full slot, made into RAID 10, the cost is still very large. Recently in the open source hyper-fusion test, has achieved the very ideal effect: to be centralized, high availability, open source a

CGS is the implementation of Oracle RAC instance management and is responsible for the following functions1) Heartbeat mechanism between instances2) Complete the reconfiguration of the DB cluster when the instance leaves or joins the cluster3) solve the problem of brain fissure at the database level1, network HeartbeatThe network heartbeat at the database level i

Tags: oracle RAC cluster local time and remote time inconsistency?Cause:The inconsistency of data events in the credit database resulted in the confusion of data (RAC cluster), inconsistent Plsql query time and database time, which seriously affected the business. Because I