1.132 FILESYSTEMIO_OPTIONS

FILESYSTEMIO_OPTIONS specifies I/O operations for file system files. This parameter is platform-specific and has a default value that is suitable for a particular platform.

Property Description

Parameter type

String

Syntax

FILESYSTEMIO_OPTIONS = { ASYNCH | DIRECTIO | SETALL | NONE }

Default value

Varies by database version and operating system.

Modifiable

No

Modifiable in a PDB

No

Basic

No

Values:

  • ASYNCH - Enable asynchronous I/O on file system files, which has no timing requirement for transmission.

  • DIRECTIO - Enable direct I/O on file system files, which bypasses the buffer cache.

  • SETALL - Enable both asynchronous and direct I/O on file system files.

  • NONE - Disable both asynchronous and direct I/O on file system files.

See Also: