oracle rac troubleshooting

Followed by the above article: http://ixdba.blog.51cto.com/2895551/880511 14. Install Oracle Clusterware 1) decompress the Software PackageAssume that all the database software is in the/rac directory. First, extract the two Oracle software packages as follows:[Root @ node-rac1 rac] # lsLinux_11gR1_database_1013.zip li

The most outstanding performance of Oracle RAC clusters is high availability, which mainly includes load balance and failover. These technologies enable single point of failure (spof) to prevent normal access to the database by client applications, and load balancing between nodes by creating a service. This article describes the Oracle failover test in the

Steps for migrating a single Oracle DataBase instance to Oracle RAC: -------------------------------------- Split line -------------------------------------- Detailed illustration of the entire process of VMware + Linux + Oracle 10G RAC Install

Recently, the Oracle 10g RAC migration under the virtual machine, after the migration is completed, the Oracle cluster resource VIP cannot start normally, received the CRS-0233: resource or relatives are currently involved with another operation error prompt. Why? It turns out that the migrated address has changed. You have to use the new address in your house ..

Different cluster products have their own characteristics, RAC features include the following points: • Dual-machine parallel. RAC is a parallel mode, not a traditional master and standby mode. That is, all members of the RAC cluster can receive client requests at the same time. • High availability. RAC is a high-avail

Routine basic maintenance commands for Oracle RAC Status of all instances and services $ Srvctl status database-d orclInstance orcl1 is running on node linux1Instance orcl2 is running on node linux2 Status of a single instance $ Srvctl status instance-d orcl-I orcl2Instance orcl2 is running on node linux2 The status of the global Naming Service in the database $ Srvctl status service-d orcl-s orcltestServi

Tags: des c tar ext color http1. Build Oracle RAC 11g cluster on Oracle Enterprise Linux and ISCSI2. All shared disk storage for Oracle RAC will be based on ISCSI,ISCSI using Openfiler version 2.3, which runs on the third node, which is referred to as the networked storage s

Oracle Linux 5.5 (64bit) Installation of Oracle 11g R2 RAC graphic tutorial 1. Preparations before installation:Operating System: Oracle Linux 5.5 64bitCluster software: GI 11.2.0.1Database: database rdbms 11.2.0.12. Resource preparation:Oracleasm-2.6.18-194.el5-2.0.5-1.el5.x86_64.rpmOracleasmlib-2.0.4-1.el5.x86_64.rpm

Status of all instances and services $ Srvctl status database-D orclInstance orcl1 is running on node linux1Instance orcl2 is running on node linux2 Status of a single instance $ Srvctl status instance-D orcl-I orcl2Instance orcl2 is running on node linux2 The status of the global Naming Service in the database $ Srvctl Status Service-D orcl-s orcltestService orcltest is running on instance (s) orcl2, orcl1 Node applications on specific nodesProgramStatus $ Srvctl status node

Oracle Study-aix6.1 Building Oracle 10GR2 RAC (5)First, install Oracle softwareInstall as Oracle:650) this.width=650; "Src=" http://img.blog.csdn.net/20160401111416770?watermark/2/text/ Ahr0cdovl2jsb2cuy3nkbi5uzxqv/font/5a6l5l2t/fontsize/400/fill/i0jbqkfcma==/dissolve/70/gra

Label:ASM disks do not recognize several phenomena: 1) GI home directory or its subdirectory permissions error 2) Incorrect permissions for ASM disks 3) ASM instance is not started or ASM Disk Group is not on Mount 4) ASM Disk Group resources are not online 5) Incorrect permissions for Oracle users 6) Permissions error for Oracle ($ORACLE _home/bin) executable fi

Generally, in the Oracle RAC environment, V $ view can query information about the instance you are connected to, while GV $ view contains information about all instances. However, in the RAC environment, when we query the V $ log view, it is common sense that the V $ log view should see the information of the log group that you connect to the instance. However,

Practicing Oracle's RAC build process, the first step is to practice installing Oracle 10.2.0.1.0 on 4U4 first. Installing RAC directly is somewhat difficult. From a simple start. For the total RAC Step, refer to the RAC form of the teacher.1. Start VC, login vsphere 5.1,2.

; Ple.com: 1521SQL>! Lsnrctl status LSNRCTL for Linux: Version 11.2.0.4.0-Production on 19-FEB-2014 20:54:52 Copyright (c) 1991,201 3, Oracle. All rights reserved. Connecting to (ADDRESS = (PROTOCOL = tcp) (HOST =) (PORT = 1521 ))STATUS of the LISTENER------------------------Alias LISTENERVersion TNSLSNR for Linux: Version 11.2.0.4.0-ProductionStart Date 19-FEB-2014 20:03:17Uptime 0 days 0 hr. 51 min. 35 secTrace Level offSecurity ON: Local OS Authent

Label:Oracle RAC Learning notes: Basic concepts and Getting Started April 19, 2010 10:39 Source: Book's Blog book Editor: Xiao Xiong【Technical Development Technical Articles】Oracle 10g Real Application Clusters introduction1. What is clusterA cluster is made up of two or more independent, network-connected servers. Several hardware vendors have been providing a variety of requirements for cluster performanc

The most common error in Oracle RAC is that the functions and restrictions of Oracle RAC are misunderstood. The following article lists some of the most common errors in Oracle RAC. The following is an introduction to the article.

OCR is like a Windows registry that stores all configuration information related to the cluster and Rac database. It is also a public configuration, that is, multiple nodes share the same configuration information. Therefore, this configuration should be stored on the shared disk. This article mainly describes the OCR of the cluster and the amnesia caused by OCR based on Oracle 10g

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

Immediately thereafter: http://ixdba.blog.51cto.com/2895551/882362 After the Oracle Clusterware installation is successful, start the installation of Oracle database, log on to any cluster node as an Oracle user, and start the installation by executing the following command:[Oracle@node-rac2

The PXE method is used to batch push the Complete Oracle 11gR2 RAC environment from bare metal, and the Shell script is used to deploy 32 Oracle11gR2 RAC backup and recovery cases on the launched RAC nodes in batches. Consultant for ARP Project Implementation of the Chinese Emy of sciences, Tang Bo, a member of the Sha