Tuesday 9 July 2013

Lesson 57 : ASM Disks

ASM Disks

Oracle  ASM disks are the storage devices that are provisioned to Oracle ASM disk groups. Examples of Oracle ASM disks include:

1) A disk or partition from a storage array

2)An entire disk or the partitions of a disk

3) Logical volumes

4)Network-attached files (NFS)


When adding a disk to ASM, you can assign an Oracle ASM disk name or Oracle ASM assigns the Oracle ASM disk name automatically. This name is different from the path name used by the operating system. In a cluster, a disk may be assigned different operating system device names on different nodes, but the disk has the same Oracle ASM disk name on all of the nodes.

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