Record type 92 (5C) — File system activity

SMF record type 92 reports activity of mounted file systems and files. For more information about SMF record type 92, see z/OS UNIX System Services Planning.

For a description of when open and close records are written, see Accounting for open() and close().

Notes:
  1. To collect information about the activity of a mounted file system, you must be collecting SMF type 92 subtype 5 (unmount) records at the time the file system is mounted and at the time the file system is unmounted.
  2. To collect information on the activity of a specific file, you must be collecting SMF type 92 subtype 11 (close) records at the time the file is opened and at the time the file is closed.
The subtypes are: