The fully qualified filename in fact represents a hierarchy of directories, with the plus sign (+) as the root. See Oracle Database Administrator's Guide for more detailed information on fully qualified filenames.Īs in other file systems, an ASM directory is a container for files, and it can be part of a tree structure of other directories. In the previous fully qualified filename, dgroup2 is the disk group name, sample is the database name, controlfile is the file type, and so on. +dgroup2/sample/controlfile/Current.256.541956473ĪSM generates filenames according to the following scheme: +diskGroupName/databaseName/fileType/ An example of a fully qualified filename is the following: This is analogous to a complete path name in a local file system. System-generated filename or 'fully qualified filename'Įvery file created in ASM gets a system-generated filename, otherwise known as a fully qualified filename. Also, filenames are case insensitive, but case retentive.
The forward slash (/) and backward slash (\) are interchangeable in filenames.