What is Oracle ASM?
The Oracle® automatic storage management system (ASM) was developed 10 years ago to make it much easier for database administrators (DBAs) to use and tune database storage. Oracle ASM enables DBAs to:
- Automatically stripe data over each RAW device to improve database storage performance
- Mirror data for greater fault tolerance
- Simplify the management and extension of database storage for the cloud and, with the ASM Cluster File System (ACFS), use the snapshot and replication functionality to increase availability
- Add the Oracle Real Application Clusters (RAC) capability to help reduce total cost of ownership (TCO), expand scalability and increase availability, among other benefits
- Easily move data from one device to another while the database is active with no performance degradation
- Reduce or eliminate storage or Linux administrator time for configuring database storage
- Use ASM as a Linux®/Unix operating system file system called ACFS.
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