All posts by Brijesh

So you know enough in Oracle AppsDBA (EBS) R12.2 – Answer these ? Queries from our Day1 Apps DBA Training

This post is from our Oracle Apps DBA (R12.2) Training sharing some of the questions from our Apps DBA Trainees from Day1 (next batch starts on 31st October, 2015 and We cover Architecture, Installation, File System, WebLogic Concepts, Patching, Cloning , Common Tasks and difference in 12.2 from previous version).  On Day1 of Apps DBA Training We cover […]

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OBIEE 11g Installation : Pre-Requisites Kernel Parameters Failure

Oracle Business Intelligence Enterprise Edition (OBIEE) 11g is a product that is part of Oracle Fusion Middleware family (other products are SOA, WebCenter, WebLogic, OHS, Identity & Access Management etc). This post is related to Oracle Business Intelligence 11g Installation issue from our  Oracle Fusion Middleware (FMW) Training (next batch starts on 17th Oct, 2015 and we cover WebLogic, […]

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Installation steps of JDK 7 for Linux for Oracle Fusion Middleware

This post covers procedure installs the Java Development Kit (JDK) for 64-bit RPM-based Linux platforms, such as Red Hat and SuSE, using an RPM. This post is from our Oracle Fusion Middleware (FMW) or Oracle Access Manager (OAM) training where we provide dedicated machine to trainees to practice but if you need to install similar setup on your […]

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How to change Public VIP Address in 11gR2 RAC

Public VIP Address: An interface that can be used for communication with components external to Oracle RAC instances, such as Oracle Net and Virtual Internet Protocol (VIP) addresses. We can change VIP with any outage. We will change it node by node. Step 1: Check which service is running on current which VIP , we […]

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How to change Cluster Interconnect Adapter IP Address in 11gR2 RAC

Cluster interconnect: It’s a private interface used for the cluster-ware to provide inter-instance or Cache Fusion communication. This is also called as private IP address. We can change it at any stage, it require full outage. Step 1: Determine private IP address [oracle@test1 ~]$ oifcfg getif eth0  192.168.1.0  global  public eth1  10.0.0.0  global  cluster_interconnect Step […]

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Voting disk and OCR management in 11gR2 RAC

OCR: It created at the time of Grid Installation. It’s store information to manage Oracle cluster-ware and it’s component such as RAC database, listener, VIP,Scan IP & Services. Minimum 1 and maximum 5 copy of OCR is possible. Voting Disk: It manage information about node membership. Each voting disk must be accessible by all nodes […]

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ASM block corruption ORA-01115

At the time recovery in standby database if you see error (Version 11.2.0.2) ORA-01115: IO error reading block from file 201 (block # 11080) ORA-01110: data file 263: ‘+DATADG/datafile/indx_8m.655.665578’ ORA-15055: unable to connect to ASM instance ORA-00020: maximum number of processes (100) exceeded ORA-01115: corruption in asm based datafile of 11g database on a standby […]

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RHEL 6 certified with oracle

After a long time awaits now Oracle Database 11g R2  (11.2.0.2) and Oracle Fusion Middle ware 11g R1 has been certified on Red Hat Enterprise Linux 6 (RHEL6). But it will be available in market around end of June 2012 with the Red Hat Compatible Kernel. Reference:http://www.oracle.com/us/corporate/press/1563775

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Administering Oracle Clusterware

1. CRSCTL: Cluster Control utility performs various administrative operation of oracle clusterware. It is located in $ORA_CRS_HOME/bin and must be executed by the “root” user. a. To check the current state of all oracle clusterware daemon: [root@rac1 bin]# ./crsctl check crs CSS appears healthy CRS appears healthy EVM appears healthy b.You can also check the […]

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Voting Disk Management in RAC

What is voting disk ? Voting disk is a file that manages information about node membership. It is located on the shared cluster system or a shared raw device file. Its primary purpose is to help in a situation where the private network communication fails. CSS (Cluster Synchronization Service) is the service that determines which […]

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