IBM z/OS DFSMS control data sets must reside on separate storage volumes.
An XCCDF Rule
Description
<VulnDiscussion>Configuration settings are the set of parameters that can be changed in hardware, software, or firmware components of the system that affect the security posture and/or functionality of the system. Security-related parameters are those parameters impacting the security state of the system, including the parameters required to satisfy other security control requirements. Security-related parameters include, for example: registry settings; account, file, directory permission settings; and settings for functions, ports, protocols, services, and remote connections.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-223559r991589_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
Allocate the primary and backup SMS Control data sets on separate volumes.
Source Control Data Set (SCDS) contains a SMS configuration, which defines a storage management policy.
Active Control Data Set (ACDS) contains a copy of the most recently activated configuration. All systems in a SMS complex use this configuration to manage storage.