FIELD: information technology.
SUBSTANCE: method of retrieving data stored in a parallel file system with hierarchical memory organisation involves forming a database on metadata servers by scanning files which must be retrieved; periodically browsing metadata using software; upon reaching a given level of filling and in order to free space in the parallel file system, carrying out simultaneous movement of files to migration servers and storing metadata on the moved files into the database; optionally returning the moved files using metadata; the software used is a distributed system; the migration server and the metadata server are linked by a communication medium.
EFFECT: high efficiency of transmitting data, scalability and providing flexible mechanisms for managing data flow and storage polices and load balancing.
1 dwg
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