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doku:vsc4_storage [2021/06/09 13:55] – mhickel | doku:vsc4_storage [2023/10/23 10:55] – [Usage '/local'] goldenberg | ||
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- | ===== VSC-4 Storage ===== | + | ===== VSC Storage ===== |
- | VSC-4 provides three facilities for persisting | + | VSC-4 and VSC-4 provide two unified |
+ | They are accessible under: | ||
* **IBM Spectrum Scale**: | * **IBM Spectrum Scale**: | ||
* '' | * '' | ||
* '' | * '' | ||
- | * **BeeGFS (former FhGFS)**: | ||
- | * '' | ||
- | * '' | ||
* **Local SSD** | * **Local SSD** | ||
* ''/ | * ''/ | ||
- | Usage '' | + | ==== Usage '' |
+ | |||
+ | '' | ||
+ | Quota on '' | ||
+ | |||
+ | ==== Usage '' | ||
+ | |||
+ | '' | ||
+ | Quota on '' | ||
+ | |||
+ | ==== Usage '/ | ||
+ | |||
+ | /local is a locally mounted NVMe disk. The size is about 450GB on VSC-4 and 1.8TB on VSC-5. Data retention is not guaranteed, al data is lost on a reboot, so they need to be transferred after use. | ||
+ | |||
+ | ==== Backup Policy ==== | ||
+ | |||
+ | Backup of user files independent of location is solely the responsibility of each user. | ||
- | $HOME is the location of the user UNIX home directory. It can be accessed from login and compute nodes. $HOME should be used for storing/ | ||
- | Quota on $HOME is 100GB and 10^6 number of files and **can not** be extended |