Oracle ASM uses an Oracle ASM instance, which is distinct from the database instance, to configure and manage disk groups. Oracle ASM performs software striping and mirroring at the file level for maximum storage flexibility, performance, and availability. For environments with a large number of disks, this option simplifies database administration and maximizes performance. If you choose Oracle ASM, then Oracle Database automatically manages database file placement and naming. If you are not certain about which option to use, then select File System (the default).Īutomatic Storage Management- This option enables you to place your data files in Oracle Automatic Storage Management (Oracle ASM) disk groups.

Oracle Database can create and manage the actual files. You can specify the directory path where database files are to be stored. You can select from the following options:įile System-This default option creates database files that are managed by the file system of your operating system. As an administrator, you decide what kind of storage subsystem to use for these files. A database includes several files that store the user data, database metadata, and information required to recover from failures.

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