How to Remove / Deinstall Oracle Grid Infrastructure / Clusterware Software from RAC Nodes on Linux

Steps

1.  Login as grid (clusterware owner)

2.  Go to software directory where the runInstaller located

3.  ./runInstaller -deinstall –home <GRID_HOME>

Example

[grid@node110 grid]$ ./runInstaller -deinstall -home /u01/app/12.1.0/grid

Checking for required space in /tmp directory ...

Space check on /tmp directory passed

Bootstrapping the deinstall components

How to Remove / Deinstall Oracle Database Software from RAC Nodes on Linux?

Steps

      1.  Login as oracle

2    2. Go to software directory where the runInstaller located

      3. ./runInstaller -deinstall –home <ORACLE_HOME>

Example

[oracle@node110 database]$ ./runInstaller -deinstall -home

wget Command: Download Oracle Software from www.Oracle.com

Step 1: Connect to the oracle.com download page using your OTN credentials and accept the license agreement.

Step 2: Click on the software which you wanted to download. Example Linux x86-64 File1. This will start downloading the software to the local PC/laptop.

How to Install and Check Required rpms for Oracle 12c on Linux 7

Required packages list you can get it Here

Install Command:

yum install binutils \

compat-libcap1 \

gcc \

gcc-c++ \

glibc \

ARCHIVE_LAG_TARGET: Why So Many Archive Log Getting Generated Even Without Any Transaction in Oracle Database

One day I noticed one of my databases is generating lot of archive logs though it is an idle database. There is no transaction happening in this database for a long time. I came to know when I tried to clone the database to a different server. The recovery is taking so much of time with these archive logs. One thing I noticed is this archive logs are small in size.