Storage Management (ASM ACFS DNFS ODM) (MOSC)

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How to share diskgroups among multiple single-instance Oracle Databases

edited Jan 16, 2014 3:19AM in Storage Management (ASM ACFS DNFS ODM) (MOSC) 11 commentsAnswered ✓

Here is the excerpt from Oracle documentation:
"A clustered storage pool can be shared by multiple single-instance Oracle Databases, multiple databases share common disk groups. A shared Oracle ASM storage pool is achieved by using Oracle Clusterware. However, in such environments an Oracle RAC license is not required.
To share a disk group among multiple nodes, you must install Oracle Clusterware on all of the nodes, regardless of whether you install Oracle RAC on the nodes. Oracle ASM instances that are on separate nodes do not need to be part of an Oracle ASM cluster. However, if the Oracle ASM instances are not part of an Oracle ASM cluster, they cannot communicate with each other. Multiple nodes that are not part of an Oracle ASM cluster cannot share a disk group."

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