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Data Management

See this article in context within the following user guides: Data | Eos | Rhea | 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. The storage areas are mounted across all OLCF systems, making your data available to you from multiple locations.

A Storage Area for Every Activity

The storage area to use in any given situation depends upon the activity you wish to carry out.

Each User has a User Home area on a Network File System (NFS) and a User Archive area on the archival High Performance Storage System (HPSS). User storage areas are intended to house user-specific files.

Individual Projects have a Project Home area on NFS, multiple Project Work areas on Lustre, and a Project Archive area on HPSS. Project storage areas are intended to house project-centric files.

Simple Guidelines

The following sections contain a description of all available storage areas and relevant details for each. If you’re the impatient type, you can probably get right to work by adhering to the following simple guidelines:

If you need to store… then use… at path…

Long-term data for routine access that is unrelated to a project User Home $HOME
Long-term data for archival access that is unrelated to a project User Archive /home/$USER
Long-term project data for routine access that’s shared with other project members Project Home /ccs/proj/[projid]
Short-term project data for fast, batch-job access that you don’t want to share Member Work $MEMBERWORK/[projid]
Short-term project data for fast, batch-job access that’s shared with other project members Project Work $PROJWORK/[projid]
Short-term project data for fast, batch-job access that’s shared with those outside your project World Work $WORLDWORK/[projid]
Long-term project data for archival access that’s shared with other project members Project Archive /proj/[projid]