oracle rac concepts

Explain the environment: operating system: AIX 7.1Oracle version: Oracle RAC 11.2.0.3 before the 11.2.0.3.9 patch set, the RAC is not formally used, so you can simply hit the latest 11.2.0.3.11 patch set.The two sets of RAC that were newly installed today in the new PSU, also use Opatch Auto to hit the PSU, but one set

Installing Oracle RAC on the AIX platform is a pitfall. I verified this again today because there are too many bugs! Record the problem because there are too many bugs! We strongly recommend and look forward to the development of Oracle RAC on the Linux platform. The following is a record of the problem: > Server: IBM

if the related files are not deleted in the second part. 4. Delete the/etc/oracle/scls_scr/rac1/oracle/cssfatal files on each machine If you do not delete this file, you will get an error when running the root.sh script. Reference: RAC root.sh Oracle CRS solution already configured and'll be running under init (1M) Ht

Navigation Introduction to cluster concept (i) Oracle Cluster Concepts and principles (ii) How RAC Works and related components (iii) Cache Fusion Technology (IV) RAC special problems and combat experience (V) ORACLE one-to-G Version 2

Sync Service (Cluster Synchronization Service)managing membership of a cluster node controls which node is the member of the cluster, the node notifies the cluster member when joining or leaving the cluster to control the cluster configuration information, which causes the cluster to restart, provides a heartbeat mechanism to monitor the cluster status (DISK HEARTBEAT and NETWORK Hearbeat), the process is run by Oracle User management EVMD Incident M

3.6. Cluster Management Command 3.6.1. Startup and shutdown of RAC Oracle RAC is powered on by default and can be used with the following commands if maintenance is required: Shut down:crsctl Stop cluster Stopping this node Cluster servicecrsctl Stop Cluster–all all node servicesOpen:crsctl start cluster turn on this node Cluster servi

message will be prompted. [Grid @ rac-one install] $./rootcrs. plYou must be logged in as root to run this script.Log in as root and rerun this script.2014-04-01 17: 08: 12: Not running as authorized userInsufficient privileges to execute this script.Root or administrative privileges needed to run the script. For more information about the script function, see-help. Such as upgrade, rollback, and reconfiguration wait [Root @

Label:Data Guard is a remote replication technology for Oracle, it has physical and logical points, but in general, it needs a separate system in a remote location, two sets of hardware configurations can be different systems, but the software structure of the two systems are consistent, including the software version, directory storage structure, and data synchronization (in fact, is not real-time synchronization), the two sets of systems as long as

startup and ShutdownOracle RAC servicesServices in Oracle Database 10gMigrate datbase from single instance to Oracle RACConnect Oracle RAC to a specified instanceOracle RAC load balancing test (combined with server and client)

sentence of the new network interface name or the new IP Address should also be updated. It is the source to analyze and solve the problem from the log, is the best way to quickly locate Problems More references For more information about Oracle RAC, seeUse crs_setperm to modify the resource owner and permissions of RAC.Use crs_profile to manage RAC resource con

On the AIX platform, Oracle software that is tar from the RAC environment is directly extracted to the new machine and the target environment is stand-alone, and the RAC option needs to be turned off. RAC off 1. Login as the Oracle software owner and shutdown all database

root root 4096-rwxrwxr-x 1 root root 3795 Jan runcluvfy.sh-rwxr-xr-x 1 root root 3227 runinstallerDrwxrwxr-x 2 root root 4096 SshsetupDrwxr-xr-x root root 4096-rw-r--r--1 root root 4228 welcome.html 2. Install Cvuqdisk on both nodes [[Email protected] grid]# CD rpm[email protected] rpm]# LLTotal 12-rw-rw-r--1 root root 8173 Jul cvuqdisk-1.0.7-1.rpm[Email protected] rpm]# RPM-IVH cvuqdisk-1.0.7-1.rpmPreparing ... ########################################### [100%]Using t

node.C. You can add the corresponding thread as the filter condition to query the redo information of the instance. More references For more information about Oracle RAC, seeUse crs_setperm to modify the resource owner and permissions of RAC.Use crs_profile to manage RAC resource configuration filesRAC database startup and ShutdownOracle

First, unpack the cluster kit; Gunzip 10201_clusterware_linux_x86_64.gz CPIO-IDMV The place where the decompression is placed requires the permission of the Oracle user Second, start installing the Oracle RAC Cluster Kit, 2.2.1. Shut down the two-node firewall before the installation, SELinux otherwise it cannot be installed by the 2.2.2. Modify the system

Data Schema Primary: The code is as follows Copy Code hostname databasename unique_dbname INSTANCE_NAME RAC1 orclpd orclpd ORCLPD1 rac2 orclpd orclpd ORCLPD2 Standby:HOSTNAME DATABASENAME Unique_dbname instance_nameRAC21 ORCLPD Orclst Orclst1RAC22 ORCLPD Orclst Orclst2 RAC ASM DiskGroup (vote) ASM DiskGroup (Database managefile) ASM DiskGroup (Recovery Manage)Primary DATA DATA1 DATA2Standby DATA DATA1 DATA2 [

The Data Guard is Oracle's remote replication technology, which has physical and logical points, but in general it needs to have a separate system in place, where two hardware configurations can be different, but the software structure of the two systems is consistent, including software versions, directory storage structures, As well as the data synchronization (in fact, is not real-time synchronization), the two systems as long as the network is available, is a remote disaster-tolerant solutio

rac ocr backup and recovery 8. More references For more information about Oracle RAC, seeUse crs_setperm to modify the resource owner and permissions of RAC.Use crs_profile to manage RAC resource configuration filesRAC database startup and ShutdownOracle RAC servicesServic

Tags: Oracle Tutorials Oracle Training Oracle Database Tutorials Oracle Engineers training Oracle Database Training Course Objectives Wind This course explains the Oracle RAC clus

I. Oracle CLUSTER architectureOracle RAC, the full name of Oracle Real application Cluster, a true application cluster, is a parallel cluster system provided by Oracle with the entire cluster system from Oracle Clusterware (cluster ready software) and realApplication Cluster

Tags: blog http io ar os using SP strong fileI. Oracle CLUSTER architectureOracle RAC, the full name of Oracle Real application Cluster, a true application cluster, is a parallel cluster system provided by Oracle with the entire cluster system made up of Oracle Clusterware (