Oracle RAC Startup Architecture

Oracle RAC Startup Architecture

When troubleshooting an Oracle Real Application Clusters environment, understanding the startup sequence of cluster components is extremely important. Many issues during node boot, cluster startup or database availability can be…

Resizing redo logs and standby Redologs in Dataguard

IN PRIMARY DATABASE :- 1) Check Instance details :- select status,instance_name,database_role from v$database,v$instance; ------------------------------------------------------------------------------------------------------------------------------------ 2) Check redo log and standby redo log size in Primary and standby :- Redo log…

Split Brain Syndrome in RAC

Where two or more instances attempt to control a cluster database. Each node in this cluster are interconnected through private interconnect and end users connects to cluster through public network.…