| Oracle® Database Performance Tuning Guide 11g Release 2 (11.2) Part Number E16638-03 |
When developing an I/O design plan, consider using Oracle Automatic Storage Management (Oracle ASM). Oracle ASM is an integrated, high-performance database file system and disk manager that is based on the principle that the database should manage storage instead of requiring an administrator to do it.
Oracle recommends that you use Oracle ASM for your database file storage, instead of raw devices or the operating system file system. Oracle ASM provides the following key benefits:
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Striping
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Mirroring
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Online storage reconfiguration and dynamic rebalancing
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Managed file creation and deletion
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