Apps DBA Workshop

In this article I will demonstrate all steps required for upgrading Oracle Grid Infrastructure 11.2.0.1 to 11.2.0.4.  Current GI is running on 2 nodes cluster on Oracle enterprise Linux 5.7 with OCR and Voting Disk on ASM Disk group. Node1 => linuxrac1 Node2 => linuxrac2 High Level steps for upgrading Grid Infrastructure: 1) Perform backup of OCR, voting disk and Database 2) Create new directory structure on both RAC nodes where 11.2.0.4 SW will be Installed and grant appropriate directory privileges 3) Run "runcluvfy.sh" to verify errors  4) Apply required patches 5) Install and upgrade GI from 11.2.0.1 to 11.2.0.4 6) Verify upgrade 1) Perform local backup of OCR: [root@linuxrac1 bin]# ./ocrconfig -manualbackup linuxrac2 2014/03/18 10:58:55 /u01/11g_grid/grid/cdata/scan-rac/backup_20140318_105855.ocr [root@linuxrac1 bin]# ./ocrconfig -showbackup linuxrac1 2014/02/19 15:28:32 /u01/11g_grid/grid/cdata/scan-rac/backup00.ocr linu...