An ASM file is an OMF, unless you created the file using an alias. Any OMF is automatically deleted when it is no longer needed. An ASM file is deleted if the creation fails. This section contains the following topics:
Creating ASM files using a default disk group specification
Using ASM filenames in SQL statements
Using the OMF feature for operating system files, you can specify a directory as the default location for the creation of datafiles, temporary files, redo logfiles, and control files. Using the OMF feature for ASM, you can specify a disk group, in the form of an incomplete ASM filename, as the default location for creation of these files and additional types of files, including archived logfiles. As for operating system files, the name of the default disk group is stored in an initialization parameter and is used whenever a file specification (for example, DATAFILE
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