Which node is the OCR master node (AKA “OCR writer”) in a RAC?
There are several ways to answer this question: Look for “OCR master” in the log files of crsd and check olsnodes for the node ID Check which node did the most recent automatic OCR backup
Oracle 12c: Changed parameter naming for “srvctl”
Over time, “srvctl” became a really powerful for the administration of resources of an Oracle cluster. Oracle added new components and options in every new version of the Grid Infrastructure software. With Oracle 12.1.0.2, “srvctl -help” lists 266 options for srvctl.” Until 11.2, parameters were specified as single letters. However, there were duplicates (i.e. the…
Oracle Linux 7.2 and Grid Infrastructure 11.2.0.4 – A marriage with obstacles
There may be reasons to run an Oracle cluster with the new version of Oracle Linux – version 7.2 – and the „old“ but stable release of the Grid Infrastructure, 11.2.0.4. It‘s certified, it works – but there are some obstacles during the installation.. The support note 1951613.1 („Installation walk-through – Oracle Grid/RAC 11.2.0.4 on…