Six years ago I wrote a short instruction on how to restore OCR and Votedisk in RAC 12c after a diskgroup failure. Yesterday I had a possibility of validating my procedure in 21c RAC environment and it has occu
Let’s fuckup the cluster!
In this article I will show how to change IP address of cluster interconnect. First we have to define new address of the cluster interconnect before we change network settings.
In this article I will show how to reconfigure IP addresses in public network for RAC. ` First we have to close all cluster resources
Procedure to convert a standalone database to RAC 11gR2 I have a single-instance database and I want to convert it to RAC with minimum downtime. 1 select * 2 from v$option 3* where lower(parameter) like ‘%real
Add a new node to RAC Check the network configuration for both nodes On the with active cluster, check the network configuration
Change VOTE and OCR location First we have to create new ASMLib binding
There is some kind of wrong understanding, regarding what Oracle ASM really is. A lot of people thinks, that this is some kind of file system, provided by Oracle and that Oracle Database reads data "from ASM",
Install Oracle RAC 11gR2 on VirtualBox: http://www.youtube.com/playlist?list=PLqQNL6H71xCygSF_VqwM8j-Hhft4XoEEx VM templates can be found here: https://mega.co.nz/#!esp1kQQA!CUr8SlErdPppk-GkxedTUAdMpVQPrrrSI3c1
Instead of bonding you can use Oracle cluster interconnect HAIP for using multiple ethernets. And here is how its done 🙂 At the begining I have one interconnect – eth1: SQL> select * from GV$CLUSTER_INTERCONNE