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Data Management

Systems: DTN, HPSS, Lens, Sith, Smoky, Titan
Categories: Data Management, Data Transfer, File Systems
Last Update: 1/13/13
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See this article in context within the following user guides: Titan

OLCF users have many options for data storage. Each user has a series of user-affiliated storage spaces, and each project has a series of project-affiliated storage spaces where data can be shared for collaboration between users. The storage areas are mounted across all OLCF systems, making your data available to you from multiple locations.

The storage area to use at any given time depends upon the activities being carried out. Both users and projects are provided with three distinct types of storage areas: Home areas, Work areas, and Archive areas.

User Home areas (directories) are provided on a Network File System (NFS), User Work directories on a Lustre file system, and User Archive directories are provided on the High Performance Storage System (HPSS). User storage areas are intended to house user-specific files.

Similarly, projects have a Project Home area on NFS, a Project Work area on Lustre, and a Project Archive space on HPSS. Project storage areas are intended to house project-centric files that need to be accessed by multiple users.