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[[_TOC_]]
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This quickstart is there only as a reminder after reading the full documentation. It contains
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This quickstart is there only as a reminder after reading the full documentation. It contains
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- a summary of the most important rules to follow while using the mass storage,
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- a summary of the most important rules to follow while using the mass storage,
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- the procedure to connect to the mass storage from your computer's file-browser or from a terminal
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- a description of the home folder you will end up in once logged-in.
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- a description of the home folder you will end up in once logged-in.
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# Important information
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# Important information
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## Terms of use
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As the GIGA mass storage has been designed to store scientific data, the following types of data **can't** be stored on it:
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* personal data
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* professional data not related to the function carried out for the University of Liège and/or CHU
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* copyrighted material for which the user doesn't have the rights
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As the GIGA mass storage has been designed to store scientific data, the following types of data **can't** be stored on it:
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* personal data
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* professional data not related to the function carried out for the University of Liège and/or CHU
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* copyrighted material for which the user doesn't have the rights
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* files that can decrease the stability of the system or increase its vulnerability
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You'll find more information on the mass storage usage rules [here](mass-storage/mass-storage-term-use)
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## [Quotas](mass-storage/mass-storage-quota)
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Storage space is finite and expensive. For this reason, space allocated to each laboratory is limited by a quota.
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Storage space is finite and expensive. For this reason, space allocated to each laboratory is limited by a quota.
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Each user's personal home folder is limited to **100 Gb**.
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Each user's personal home folder is limited to **100 Gb**.
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There are also quotas for the Platforms and Research Teams folders.
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There are also quotas for the Platforms and Research Teams folders.
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Once the quota of a folder is reached, users stop being able to write in it. If this happen while saving files, it may lead to data corruption and lost of data. Some tools will give a warning or an error message but other won't. **It's the user's responsibility to make sure there is enough space to write in the folder.**
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Once the quota of a folder is reached, users stop being able to write in it. If this happen while saving files, it may lead to data corruption and lost of data. Some tools will give a warning or an error message but other won't. **It's the user's responsibility to make sure there is enough space to write in the folder.**
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We are currently developing a tool that will allow each user to check the quota allocated to a given laboratory/platform/home folder, and the percentage of this quota currently used.
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In the meantime, for their home folder, users can check the disk usage and therefore calculate how much space is left before to reach 100GB.
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More details about quotas can be found [here](mass-storage/mass-storage-quota).
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## [Disk usage: billing system](mass-storage/mass-storage-billing)
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## [Do I need to pay to store data on the mass storage ?](mass-storage/mass-storage-costs)
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The majority of the costs of the mass storage have been covered by a FEDER grant obtained by the GIGA. However, some operating costs are not covered by this grant, such as costs linked to the improvement of the performances, software licenses.
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For this reason, the GIGA decided to give to each research team a certain amount of free space on the mass storage, and to charge any additional space used by them.
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The revenues from these fees will be used exclusively for costs linked to the mass storage management.
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No you don't. However, if you you want to know more about mass storage costs, or if you are applying for a grant for a project that will generate more than 1Tb of data and would like to help improving and increasing the capacity of the GIGA mass storage, please read the [mass storage costs page](mass-storage/mass-storage-costs) of this documentation.
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Find more information about this system [here](mass-storage/mass-storage-billing)
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## Good practices
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- **Don't keep several copies of files**
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All files present in your home or project folders on the mass storage are backed up on a tape library situated at the SEGI (B26).
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This means that there are two copies of all your files in two different buildings.
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If backed up properly, you'll be able to retrieve a file accidentally deleted less than 28 days ago.
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In some circumstances you will even be able to retrieve a previous version of a properly backed up file. To be sure your files are backed up properly, you should read the [**backup policies**](mass-storage/mass-storage-backup-archive) .
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### How to reduce disk usage ?
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- **Use compression tools when possible and group numerous small files in gzip, TAR or DAR archives**
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You'll find more information about how to compress and group files this [page](mass-storage/mass-storage-compression)
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- **Don't keep several copies of files**
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All files stored on the mass storage are backed up on a tape library situated at the SEGI (B26) and another one at the CHU datacentre.
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This means that there are three copies of all your files in three different buildings.
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If backed up properly, you'll be able to retrieve a file accidentally deleted less than 28 days ago.
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In some circumstances you will even be able to retrieve a previous version of a properly backed up file. To be sure your files are backed up properly, you should read the [**backup policies**](mass-storage/mass-storage-backup-archive) .
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- **Keep all the files associated to a project in that project folder and not in your home**
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This will allow all people working on a given project to access these data and work on them. It will also facilitate the upload of the data to public database when submitting a publication.
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- **Use compression tools when possible** (we recommend to start compressing files when they are bigger than 200Mb) and **group numerous small files in gzip, TAR or DAR archives** (typically, if you have thousands of related small files in the same folder). You'll find more information about how to compress and group files this [page](mass-storage/mass-storage-compression)
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- **Name files and directories according to the mandatory rules described below**
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You'll find more recommendations on data management and file naming [here](mass-storage/mass-storage-management-practices).
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- **Delete temporary/obsolete files** (intermediate files not needed anymore for example)
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- Send files you need to keep but do not need to quickly access anymore to the GIGA [**archiving system**](mass-storage/mass-storage-backup-archive#Offline-data-archiving)
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### How to keep my data organised ?
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- **Keep all the files associated to a project in that project folder and not in your home**
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This will allow all people working on a given project to access these data and work on them. It will also facilitate the upload of the data to public database when submitting a publication.
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- **Name files and directories according to the mandatory rules described below**
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You'll find more recommendations on data management and file naming [here](mass-storage/mass-storage-management-practices).
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## Mandatory rules for file and folder names
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File and folder names can only contain the following characters:
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File and folder names can only contain the following characters:
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* digits 0 to 9
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* lowercase letters a to z
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* special characters such as , ; . : ! ? / \ “ # [ ] > < % * = & $ | ^ ( ) { }
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* system reserved keywords such as CON, PRN, AUX, CLOCK$, NUL, COM1, COM2, COM3, COM4, COM5, COM6, COM7, COM8, COM9, LPT1, LPT2, LPT3, LPT4, LPT5, LPT6, LPT7, LPT8, and LPT9
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Overall, try to give files and directories short, meaningful and easily understandable names so that anybody working on the same project can easily find them.
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Overall, try to give files and directories short, meaningful and easily understandable names so that anybody working on the same project can easily find them.
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# [Connection to the mass storage](mass-storage/mass-storage-connection)
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# [FAQ](faq/FAQ)
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If you don't find the information you are looking for in the above sections, don't hesitate to consult the FAQ.
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If you didn't find the information you are looking for in the above sections, don't hesitate to consult the FAQ.
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# [Contacts](contacts) |
