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Oracle Database 11g Oracle Real Application Clusters Handbook, Second Edition by K Gopalakrishnan

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Facts about Automatic Storage Management

ASM is a storage solution that provides a volume manager and file system capabilities that are tightly integrated and optimized for Oracle databases. It is implemented via three key components: ASM instance, ASM Dynamic Volume Manager (ADVM), and ASM Cluster File System (ACFS). The ASM Dynamic Volume Manager provides the functionality of a volume manager for the ASM Cluster File System. ASM Cluster File System is only available in Oracle Grid Infrastructure 11g Release 2 and onward.

ACFS helps customers in reducing overall IT budget costs because it totally eliminates the need for third-party cluster file systems, which is the most common requirement for clustered applications. Because ACFS is built as ...

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