July 28 2010

CRS-2640: Required resource ‘ora.ARC2_DG.dg’ is missing.

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PRCR-1079 : Failed to start resource ora.mydb.db
CRS-2640: Required resource ‘ora.ARC2_DG.dg’ is missing.
How to remove the ASM resource from CRS start/stop dependency?

Applies to:

Oracle 11gR2 RAC


(2 node RAC with 11gR2 in RHEL 5.3 x86_64)

I was having 2 ASM diskgroup (ARC1_DG & ARC2_DG) assigned for archive logs and standby Dataguard when first RAC .

Due to some reason that management want to merge these 2 diskgroups into one (ARC1_DG).

I confimed that ARC2_DG was not contain any file and diskgroup ARC2_DG dropped successfully.