While setting up ocfs2 for OCR and Voting disk storage with following commad: # ocfs2console After clicking on ==>cluster ==> configure nodes, I got a pop-up saying: <span style="font-size: small;"><span style="font-family: arial,helvetica,sans-serif;">"Could not start cluster stack. This must be resolved before any OCFS2 filesystem can be mounted."</span></span> Soon I realized that the thing which takes…
Yesterday, I found one very useful article at OTN “Creating Oracle Extended RAC” on completely virtual environment using Oracle VM. As Virtualization is becoming popular day by day and is very cost effective, one must know how to use this to simulate actual environments. Click here for details on Oracle Extended RAC on Oracle VM.
It is very common where a DBA is left with corrupted OCR disk without having any good backup. The same situation was experienced by me few days back. One node of RAC database shows the following: NODE1: <span style="font-family: arial,helvetica,sans-serif;"><strong>$ORA_CRS_HOME/bin/crs_stat -t </strong>Name Type Target State Host ———————————————————— ora.orcl.db application ONLINE ONLINE rac1 ora….11.inst application ONLINE…