IBM z/OS SMF collection files (system MANx data sets or LOGSTREAM DASD) must have storage capacity to store at least one weeks worth of audit data.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-223547	ACF2-OS-000110	SV-223547r958752_rule		Medium

Description

In order to ensure operating systems have a sufficient storage capacity in which to write the audit logs, operating systems need to be able to allocate audit record storage capacity. The task of allocating audit record storage capacity is usually performed during initial installation of the operating system.

STIG	Date
IBM z/OS ACF2 Security Technical Implementation Guide	2025-06-24

Details

Check Text (C-25220r500776_chk)

Review the SMF dump procedure in the system.

If the output data sets in the procedure have storage capacity to store at least one week's worth of audit data, this is not a finding.

Fix Text (F-25208r500777_fix)

Make sure output file and dump procedures allow storage capacity to store one week's worth of audit data.