In a Nutshell

Automatic Storage Management is one of the best frameworks for managing data storage for the Oracle database. ASM implements the Stripe and Mirror Everything (SAME) methodology to manage the storage stack with an I/O size equal to the most common Oracle I/O clients, thus providing tremendous performance benefits.

Oracle has enhanced and improved ASM to a level that it is supported with non-Oracle enterprise applications to store application data. ASM provides the GUI tools ASMCA and OEM for management of the ASM instance and its associated objects. The ASM Cluster File System is a true cluster file system built on ASM foundations, and it eliminates the need for third-party cluster file systems in enterprise cluster applications. ...

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