This is a 12c Grid Infrastructure quick reference DETAILS “crsctl stat res -t” output example This example is from a 12c GI Flex Cluster...

Step by Step to install oracle RAC 12c in Solaris VM ldm add-vcc port-range=5000-5100 primary-vcc0 primary Create the virtual disk server...

Prepare the disks For OCR or voting disk addition or replacement, new disks need to be prepared. Please refer to Clusteware/Gird...

PURPOSE This note lists what to collect for different type of Oracle Clusterware and Real Application Cluster issues, it’s not mandatory...

SOLUTION 1. Start with both OCR copies in the correct state: $ ls -l /ora10g/app/oracle/oradata/V10 lrwxrwxrwx  1 oracle  dba  14 Jul 25...

Purpose This document will provide the reader with step-by-step instructions on how to install a cluster, install Oracle Real Application...

Scope This document is intended for Clusterware/RAC Database Administrators and Oracle support engineers. Details Start up sequence: In a...

SCOPE DBAs and Support Analysts DETAILS 10g and 11.1 RAC: How to Clean Up After a Failed CRS Install ———————————————————— Not cleaning up...

Scope This document is intended for Oracle Clusterware/RAC Database Administrators and Oracle Support engineers. Details Grid...

Goal The server (host) with an existing 11gR2 Server Restart (single instance) installation was renamed and rebooted. Now the ASM startup...

For 10.2 and 11.1 Case I. “$ORACLE_HOME/bin/localconfig delete” has been done on some node(s) but not all of RAC system Symptoms: no...

Purpose The purpose of this note is to illustrate how to change a public hostname, public IP, a Virtual IP Address (VIP), VIP hostname or...

GOAL The goal of this note is to provide steps to add, remove, replace or move an Oracle Cluster Repository (OCR) and/or Voting Disk in...

Purpose Effective way to manage the raw disks in AIX to be used by ASM. Steps listed in this document will also help prevent data...

FIX When using an ASM disk group for CRS there are typically 3 different types of files located in the disk group that potentially need...

// // // // // // // // // A. To update SCAN setting 1. As per documentation “Oracle Grid Infrastructure Installation Guide“, Oracle...

Solution Before the SCAN VIPs can be changed, the entry for the SCAN name on the Domain Name Server (DNS) needs to be updated with the...

Basic Steps to Rename the Diskgroup : 1) Create Temporary diskgroup(TEMP) with suitable redundancy for OCR and Vote files. 2) Move OCR...

QUESTION 1 =========== ASM RAC 11.2: Why Voting Disk Are Not Listed Thru ASMCMD or SQL*Plus? QUESTION 2 =========== How To Backup...

Initial Stage At this stage, the Oracle Clusterware is up and running on nodes lc2n1 & lc2n2 (good nodes) . Node lc2n3 is down and cannot...