Methods, computer program products, and systems are presented. The method computer program products, and systems can include, for instance: collecting logging data generated by operation of a distributed computing system that is used by a plurality of tenants; storing the logging data as a plurality of files stored in a multi tier, shared volume storage system, with the storage of the logging data as a plurality of files including: dividing the plurality of files among and between a plurality of shared volume data structures, and organizing each shared volume data structure of the plurality of shared volume data structures according to a plurality of tiers; for each given file of the plurality of files; and mapping, by a domain agent and in a mapping table data structure, an association between the given file and the shared volume data structure in which the given file is stored.