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**Table of content**
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[[_TOC_]]
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# Purpose and scope
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In the context of their activities, some GIGA members need to work with large amounts of scientific data (e.g. genomic, transcriptomic, proteomic and metabolomic data, imaging data, and results of the analysis of these data). The mass storage is a professional infrastructure of very large capacity (1.5 petabytes) provided by the GIGA for the storage of these data. This infrastructure is coupled with a tape library of higher capacity (3 petabytes) for backups and archiving.
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The disk storage system is located in the basement (floor -3) of building B34 (GIGA tower) and is connected to the optical fibre of the ULiège scientific backbone. The tape library is located at the SEGI (B26).
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This mass storage provides some very important advantages, especially in term of data **safety** and **security**:
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- All files stored on the mass storage disks are backed up on a tape library situated in a different building. It's infinitely more safe than external hard-disk storage.
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- The level of protection against illegal access to the data is highly superior to external disk and computer hard-disk and is RGPD compliant.
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The purpose of this document is to describe the structure and organisation of the mass storage server as well as to define its terms of use. Following these rules is crucial to enable effective usage and management of the available resources to the benefit of the entire GIGA and university community.
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The mass storage is managed by the UDI GIGA-MED (“Unité Décentralisée d’Informatique du GIGA et de la Faculté de Médecine de l’Université de Liège”, see contact details [here](mass-storage/mass-storage-contacts)).
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# [Mass storage structure and organisation](mass-storage/mass-storage-structure-organisation)
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This section describe in more details the mass storage structure and the organisation of the folders that can be found in it (platforms, research, administration, etc).
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# [Backup system and data archiving](mass-storage/mass-storage-backup-archive)
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Describe how the backup and archiving of the data is done.
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# [Terms of use](mass-storage/mass-storage-term-use)
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Describe what can and cannot be stored on the mass storage.
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# [Quota](mass-storage/mass-storage-quota)
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Describe the space allocated to each laboratory on the mass storage and what to do if you need more space. Recommendations to reduce your disk usage can be found in the Data management section or discussed with the UDIMED/UDIGIGA IT specialist or the bioinformatics team (see contacts section).
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# [Data management and best practices](mass-storage/mass-storage-management-practices)
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Describe the rules that must be followed concerning the files/directories naming but also the management of the file in the home directory and what to do once a user leaves the GIGA.
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# [Connection to the mass storage](mass-storage/mass-storage-connection)
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Describe how to connect to the mass storage
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# [Contacts](mass-storage/mass-storage-contacts) |
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