Specifications of enhancements for IBM Storage Scale Data Management API for GPFS

These enhancements are provided mainly by the multiple-node environment. Some data structures have additional fields. Many functions have usage restrictions, changes in semantics, and additional error codes. The enhancements are in these areas:

• Enhancements to data structures
• Usage restrictions on DMAPI functions
• Definitions for GPFS-specific DMAPI functions
• Semantic changes to DMAPI functions
• GPFS-specific DMAPI events
• Additional error codes returned by DMAPI functions