Automatic Block Media Recovery is a cool 11gR2 feature. If the database on which a corruption occurs is associated with a real-time query physical standby database, then the database automatically attempts to perform block media recovery. The primary database searches for good copies of blocks on the standby database and, if found, repairs the blocks with no impact to the query that
I was very used to create ASM instance manually before 11gR2. With 11gR2 we must to install Grid Infrastructure even on sigle instance databases if we’re going to use ASM. In my last installation i had strange errors that i’ll share below. First error was complaining about the password and the log file is: INFO: Executing ASMCA INFO: Command /u01/app/oracle/product/11.2.0/grid/bin/asmca -
I had the following error on 11gR2 Grid Infrastructure installation: [INS-20802] Oracle Net Configuration Assistant failed. The plug-in failed in its perform method tail -50 /u01/app/oraInventory/logs/installActions2012-01-06_09-45-58AM.log INFO: Oracle Net Listener Startup: INFO: The information provided for this listener is currently in use by other software on this computer.
I knew a little about Webcenter and Packt's Oracle Webcenter 11g book was very helpful for me to learn about the new version and developing the administration skills. Yannick Ongena did a greate job on this book with a uniqe style of teaching. In this book topics are covered with 4 dimensions. "Getting ready" "How to do it..." "How it works..." and "There's more..." With this way of
Here is another greate book i read and recommend, published by Packt and written by Ashwin Kumar Karkala and Govinda Raj Sambamurthy. This is about Oracle Enterprise Grid Control. Book is named with "Business Service Management" to impress the capabilities of Grid Control. Grid Control is not just for your Database Monitoring needs, but also for a complete service management which includes
I wanted to summirize some complicated RMAN concepts, using the "11gR2 Backup and Recovery User's Guide" definitions. Channel & ParallelismThe number of channels available for use with a device when you run a command determines whether RMAN reads from or write to this device in parallel while performing the command. When the work is done in parallel, the backup of the files is done by more than