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This page is about the CVMFS service at RAL.

As described in the official documentation, CVMFS provides a scalable and reliable software distribution service. It is implemented as a POSIX read-only file system in user space, where files and directories are hosted on standard web servers as single source of data, and mounted in the universal namespace /cvmfs.

RAL maintains one of these single sources of data, or Stratum-0, for some communities:

  • EGIS
  • IRIS

This documentation is for the VO content managers.

Official CVMFS pages


Steps for a new VO Content Manager to be granted access to the Stratum-0 at RAL.

Request access

Request access to the service sending an email to In the email, include the following information:

  • Name of the VO or CVMFS repository.
  • Distinguish Name (DN) from your X509 grid certificate.

Mailing list

All VO content managers should join the CVMFS-UPLOADER-USERS mailing list in JISCMAIL.

Relevant documents

Read these documents:

  • [foo Acceptable Use Policy]