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Here you find solutions in case you exceed the disk quotas on the HOME and WORK file systems.

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Please periodically check whether your scientific results data stored on HLRN file

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systems  should be periodically transferred to the user's home institution.

To maintain good I/O performance for all user jobs, the usage of the shared file systems of the HLRN resources needs to be limited.

The HLRN supports three different file systems for the users.

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  • HOME, for a higher number of files but with limited disk space, backup
  • WORK, for a moderate number of files but more disk space, transient nature of data, no backup, no disaster recovery
  • PERM, secure file system location on magnetic tapes, no solution for long-term data archiving (

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  • no guarantee for 10 years according to rules for good scientific practice

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Check your quota

Check your disk quota limits using the command hlrnquota. If your user ID is member of one or more project groups you will also get quota information for these project groups. Each of your files and directories is owned by your user ID (user ownership) and by exactly one of the group IDs you are a member in (group ownership). The data base for the output of hlrnquota is updated twice per hour.

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