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Data management policy

/home through NFS

Volume to store personal data of each user.

  • Creation of directory for users

During the validation of an account a directory under "/home" for each user will be created automatically.

  • Features

Quota : each user has 3Gb available on the /home volume

Backup : once a week at CC

ACL : not activated

/savedir through NFS

This volume is for data backup. Please only put results files or important data.

  • Creation of directory for groups

Contact the administrators for the creation

  • Features

Backup : once a week at CC

Quotas : 10Gb by group

ACL : not activated

/work through BeeGFS

Both a user and or group can have a dedicated directory under "/work", for temporarily saving large amount of data during the job executions. It's a parallel storage, which is very fast for I/O operations.

  • Creation of directory for users

During the validation of an account a directory under "/work" for each user will be created automatically.

  • Creation of directory for groups

Contact the administrators for the creation

  • Features

Quotas : no quota yet, may be set up if needed

Backup : no backup configured

ACL : activated

/scratch

Each submitted job has a temporary directory on the local /scratch repository, which can be accessed by all users. It's a little local space storage. You can add an environment variable to your submission script like this : SCRATCH_DIRECTORY=/scratch/${USER}/${SLURM_JOBID}

/groups through NFS

The /groups of APCHOME volume is available on the master node.

It allows each group to share some data with external collaborators.

Size

path size User quota
/home 30 Tb 3 G
/work 129 Tb no
/soft 1 Tb no
/savedir 1 Tb no
/scratch 3 Gb no