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ASM Diskgroup Renaming

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In this post I've changed diskgroups name of two databases(2 ASM Instances). First Instance is a normal Database box and the second one is an EXADATA box. Normal Server: Here all the diskgroups are empty. Database version is 12.1.0.2. Need to rename RED01(REDzero1) to REDO1. Below are the sequence of steps I followed to rename the diskgroup. EXADATA Server: Here I've changed all my existing DG's name. Below are the sequence of the steps I followed to change the DG name. Now I'm going to rename my first diskgroup DATACPRD1 to DATA. In my EXADATA box I followed a different procedure to change my DG name. This is the method I always prefer to change, since this approach is more professional. renamedg dgname=DATACPRD1 newdgname=DATA verbose=true check=true asm_diskstring='o/*/DATACPRD1_*' Complete message stack for  the above command is   [oracle@orprd01vm01 ~]$ renamedg dgname=DATACPRD1 newdgname=DATA verb...