19 Using OFS

The OFS implementation includes creating and accessing the file system and managing it.

Topics:

• Limitations of using OFS

• OFS Configuration Parameters

• OFS Client Interface

19.1 Limitations of using OFS

Use of OFS is subjected to the following limitations:

• DBFS mounted with ASM storage shows wrong mount size.

• OFS mounted with local storage shows wrong mount size.

19.2 OFS Configuration Parameters

Table Table 19-1 specifies all the parameters that enable NFS access in the database.

Table 19-1 OFS Configuration Parameters

Parameter Name	Description
OFS_THREADS	This parameter is used to set the number of OFS worker threads to handle OFS requests. Possible values: An integer value in the range of 2–128 Default value is 4

19.3 OFS Client Interface

The OFS interface includes views and procedures that support OFS operations.

Topics:

• DBMS_FS Package

• Views for OFS

19.3.1 DBMS_FS Package

The DBMS_FS package enables users to perform operations on Oracle file system (make, mount, unmount and destroy) in the Oracle database.

See Also:

Oracle Database PL/SQL Packages and Types Reference for more information about Oracle OFS procedures.

19.3.2 Views for OFS

The views that support OFS operations start with V$OFS .

See Also:

Oracle Database Reference for the columns and data types of these views.