Administration of IBM Storage Scale Data Management API for GPFS

To set up the DMAPI for GPFS, install the DMAPI files that are included in the GPFS installation package, and then choose the configuration attributes for DMAPI with the mmchconfig command. For each file system that you want DMAPI access, enable DMAPI with the -z flag of the mmcrfs or mmchfs command.

All DMAPI APIs must be called from nodes that are in the cluster where the file system is created. DMAPI APIs may not be invoked from a remote cluster. The GPFS daemon and each DMAPI application must be synchronized to prevent failures.