Data Management API (DMAPI) is the interface defined in the X/Open document "Systems Management: Data Storage Management (XDSM) API" dated February 1997. XFS, IBM JFS, VxFS, AdvFS, StorNext and IBM Spectrum Scale file systems support DMAPI for Hierarchical Storage Management (HSM).
External links Systems Management: Data Storage Management (XDSM) API Overview of IBM Spectrum Scale Data Management API Open Source XFS Source code with DMAPI Implementation and Test Suite