Storage policy

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2021-08-17 09:55:24 +02:00
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This document describes the different directories of the Merlin6 cluster.
### User and project data
* ***Users are responsible for backing up their own data***. Is recommended to backup the data on third party independent systems (i.e. LTS, Archive, AFS, SwitchDrive, Windows Shares, etc.).
* **`/psi/home`**, as this contains a small amount of data, is the only directory where we can provide daily snapshots for one week. This can be found in the following directory **`/psi/home/.snapshot/`**
* ***When a user leaves PSI, she or her supervisor/team are responsible to backup and move the data out from the cluster***: every few months, the storage space will be recycled for those old users who do not have an existing and valid PSI account.
{{site.data.alerts.warning}}When a user leaves PSI and his account has been removed, her storage space in Merlin may be recycled.
Hence, <b>when a user leaves PSI</b>, she, her supervisor or team <b>must ensure that the data is backed up to an external storage</b>
{{site.data.alerts.end}}
### Checking user quota
For each directory, we provide a way for checking quotas (when required). However, a single command ``merlin_quotas``