orachk

orachk is nothing new and was former known as raccheck, long time ago and the functionality increased a lot! It checks your environment for possible wrong configurations and best practices from oracle. The number of checks increase with each version. here you can see all the checks. You can check an existing installation or improve your standard configuration with the recommendations. I like to use it, after a cluster setup or upgrade or operating system upgrade. It’s not limited to Database, Clusterware or Operating System, but in this blog it is. Main MOS Note and Doku. Exachk is an own tool, but belongs to the same family. Continue reading “orachk”

SCAN-Listener and NAT

Network Address Translation (NAT) and SCAN listener are not working out of the box, because the scan redirect to the local_listener value, usually a IP and not a DNS name. failed Continue reading “SCAN-Listener and NAT”