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Database Cloud Storage: The Essential Guide to Oracle Automatic Storage Management by Prasad Bagal, Nitin Vengurlekar

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CHAPTER
7
ASM Files, Aliases, and Security
When an ASM disk group is created, a hierarchical file system structure is created. This hierarchical layout is very similar to the Unix or Windows file system hierarchy. ASM files, stored within this file system structure, are the objects that RDBMS instances access. They come in the form of data files, control files, spfiles, and redo log files, and several other file types. The RDBMS treats ASM-based database files just like standard file system files.
ASM Filenames
When you create a database file (using the create tablespace, add datafile, or add logfile command) or even an archive log file, ASM explicitly ...

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