This article will discuss how to modify the SCAN name in Oracle RAC. There are situations when changing the SCAN name is necessary due to application requirements or migration/upgradation. Recently we came across such a situation where it’s necessary to change the SCAN name and below are the steps followed for modification of SCAN configuration. […]
This is the most common error we can get after operating system (OS) patching and during start of our cluster services. Steps to Recover the Error We need to follow the below steps to rectify the error and start the cluster services.
If we want to change the port of the scan listener we can do it through the below-mentioned steps. We will change it from default 1521 to 1531. Checking present configuration $ srvctl config scan_listener SCAN Listeners for network 1: Registration invited nodes: Registration invited subnets: Endpoints: TCP:1521 SCAN Listener LISTENER_SCAN1 exists SCAN Listener is
This document will guide you for a step by step Oracle 19C RAC installation with ASM on a Linux platform. Each and every step is discussed here. We will RAC installation with ASM and version upgrade. Steps to Follow – Server Configuration Configure Oracle ASM Precheck for RAC setup Install GRID Infrastructure for RAC Install Oracle
Step By Step Guide To Install Oracle 19C RAC With ASM & Version Upgrade Read More »
Perform the below Manual Setup to complete the basic prerequisites Disabling Firewall: service iptables stop chkconfig iptables off Add or amend the following lines to the “/etc/sysctl.conf” file: fs.file-max = 6815744 kernel.sem = 250 32000 100 128 kernel.shmmni = 4096 kernel.panic_on_oops = 1 net.core.rmem_default = 262144 net.core.rmem_max = 4194304 net.core.wmem_default = 262144 net.core.wmem_max = 1048576
