https://github.com/dcache/dcache

dCache - a system for storing and retrieving huge amounts of data, distributed among a large number of heterogenous server nodes, under a single virtual filesystem tree with a variety of standard access methods
https://github.com/dcache/dcache

data-exchange dcache exchange-data gridftp java nfs-server storage webdav xrootd

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dCache - a system for storing and retrieving huge amounts of data, distributed among a large number of heterogenous server nodes, under a single virtual filesystem tree with a variety of standard access methods

• Host: GitHub
• URL: https://github.com/dcache/dcache
• Owner: dCache
• Created: 2013-03-30T08:58:49.000Z (almost 13 years ago)
• Default Branch: master
• Last Pushed: 2026-01-19T16:19:30.000Z (3 days ago)
• Last Synced: 2026-01-19T19:48:20.340Z (3 days ago)
• Topics: data-exchange, dcache, exchange-data, gridftp, java, nfs-server, storage, webdav, xrootd
• Language: Java
• Homepage: https://dcache.org
• Size: 402 MB
• Stars: 309
• Watchers: 26
• Forks: 143
• Open Issues: 413
• Metadata Files:
  • Readme: README.md
  • Contributing: CONTRIBUTING.md
  • Citation: CITATION.cff

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README

          
dCache

======



__dCache__ is a system for storing and retrieving huge amounts of data,

distributed among a large number of heterogeneous server nodes, under

a single virtual filesystem tree with a variety of standard access

methods. Depending on the Persistency Model, dCache provides methods

for exchanging data with backend (tertiary) Storage Systems as well

as space management, pool attraction, dataset replication, hot spot

determination and recovery from disk or node failures. Connected to

a tertiary storage system, the cache simulates unlimited direct

access storage space. Data exchanges to and from the underlying HSM

are performed automatically and invisibly to the user. Beside HEP

specific protocols, data in dCache can be accessed via __NFSv4.1

(pNFS)__, __FTP__ as well as through __WebDav__.

[![DOI](https://zenodo.org/badge/9113580.svg)](https://zenodo.org/badge/latestdoi/9113580)

Documentation

=============

[The dCache book](docs/TheBook/src/main/markdown/index.md)

[User Guide](docs/UserGuide/src/main/markdown/index.md)

Getting Started

===============

The file [BUILDING.md](BUILDING.md) describes how to compile dCache

code and build various packages.

The file also describes how to create the __system-test__ deployment,

which provides a quick and easy way to get a working dCache.  Running

system-test requires no special privileges and all the generated files

reside within the code-base.

There are also packages of stable releases at https://www.dcache.org/downloads/.

License

=======

The project is licensed under __AGPL v3__. Some parts licensed under __BSD__ and __LGPL__. See the source code for details.

For more info, check the official [dCache.ORG](http://www.dcache.org) web page.

Contributors

============

dCache is a joint effort between

[Deutsches Elektronen-Synchrotron DESY](http://www.desy.de),

[Fermi National Accelerator Laboratory](http://www.fnal.gov)

and [Nordic DataGrid Facility](http://www.ndgf.org).

Contributions are welcome! Please check out our [CONTRIBUTING guide](CONTRIBUTING.md).