oracle rac concepts

The day before yesterday, according to the experiment steps described in RAC and STREAM in oracle rac, a similar experiment environment was set up on HP rx8640, and the experiment failed. Yesterday, I found an article "Learn oracle stream step by step" on the Internet. I first succeeded in setting up an experiment plat

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

actually represents one of the four events (gccurrent request, GC Cr request, GC current multiblock request, GC Cr multiblock request ). Here Cr and current are different concepts. If they are read, they are Cr request. If they are changed, they are current request. Cr (consistent read) blocks create description Http://blog.csdn.net/tianlesoftware/article/details/6529401 Oracle 10 Gb distinguishes multi

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

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

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