Asm

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  Ara Shakian Principal Product Manager Oracle Server Technologies Thinking Out of the Box Re-defining Database Storage Management  Agenda <Insert Picture Here> ã What is Automatic Storage Management (ASM) ã Functionality and architecture ã  Admin roles and responsibilities ã Managing ASM is simple ã Three flexible management interfaces ã  ASM utilities ã Oracle Database11g ASM beta features ã Customer proof points ã Summary  Automatic Storage Management  A storage manager   designed to manage Oracle Database files   ã   Cluster   support with Oracle Clusterware ã   Volume Manager ã  1MB/128KB striping ã  Flexible mirroring ã  Online disk reconfigurations and automatic rebalancing ã   File System ã  Even data distribution with optimal performance ã  Automatic file management using Oracle Managed Files (OMF)   ASM Disk   ASM Disk   ASM Disk   ASM Disk   ASM Disk ASM Disk Group +DATA datafiles file1 …  filen controlfile redolog1  ASM High Level Architecture Database Instance ASM DB Processes  ASM -  File layout info - Update statistics - Health info ASM file extents Service Requests ã  An Integrated Solution ã  ASM manages meta-data ã  NOT in IO path ã  Optimal Performance LUN DB I/O SGA
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