Book: Oracle DBA (Amazon)
Category Archives: RAC
Thanks to everyone, who attended my presentation on “The 3 investigators” (OraChk, TFA and DBSAT) at the OUGN Spring Seminar 2018 on “MS Color Fantasy“. Here you can find the presentation.
Since Oracle 11.2.02. Oracle has integrated the Cluster Verification Utility (CVU) as a cluster resource. It‘s invoked every 6 hours and checks the health of your cluster. If you think, this is too often, you can change the interval. I‘ll … Continue reading
One of the first steps after setting up an Oracle cluster is patching the Grid Infrastructure to the most current patchlevel. Usually this has to be done on all cluster nodes separately and requires some time and effort. But what … Continue reading
Oracle Restart ist the Clusterware for single instance systems. You can use it to run a single instance system with (almost) the same commands as a cluster. For example, Oracle Restart takes over Starting and stopping of listeners and database … Continue reading
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