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Storage

The table below presents the resources available in the ICM infrastructure for data storage. The following classification applies:

Resource Topola Okeanos Rysy Remarks
Global storage /lu/tetyda/home/$USER/ /lu/tetyda/home/$USER/ /lu/tetyda/home/$USER/ directory visible from access nodes (for data exchange)
Lokal storage /lu/topola/temp/$USER/ /lu/tetyda/home/$USER/ /lu/tetyda/home/$USER/ directory visible from access and computing nodes (for calculations)

Visibility of resources (storage) from individual systems - with details:

Storage hpc (topola) - L topola - O okeanos - L okeanos - O rysy - L rysy - O
/lu/topola/temp/$USER/ ✔ ✔ ✔ ✔ ❌ ❌
/lu/topola/home/$USER/ ✔ ✔ ✔ ✔ ❌ ❌
/lustre/tetyda/home/$USER/ ❌ ❌ ✔ ✔ ❌ ❌
/lu/tetyda/home/$USER/ ✔ ❌ ✔ ✔ ✔ ✔

where:

  • L - access node (login).
  • O - compute node.
  • /lu/tetyda/home/$USER/ is an alias of /lustre/tetyda/home/$USER/.
  • On the rysy machine, the home/$USER/ is an alias of /lu/tetyda/home/$USER/.

Remarks:

  1. /lu/tetyda/home/$USER/ is an alias of /lustre/tetyda/home/$USER/.
  2. The home/$USER/ directory is the same for Rysy and Okeanos, it is an alias of /lu/tetyda/home/$USER/.

The server rooms with the Topola, Okenos and Rysy computers are located in two different buildings. It is worth bearing in mind when submitting computational tasks - the time of interaction with the disk will be shorter. For example, computations on Topola shal use the /lu/topola/home/$USER/ storege, while Okenos and Rysy shall use /lu/tetyda/home/$USER/.

storage

NVMe-oF Disks

On the Rysy supercomputer, NVMe-oF disks are available for testing on GPU nodes. At the moment the integration with the scheduling system (SLURM) is farily simple. When the job starts, the directory /scratch/${SLURM_JOBID} is created and deleted when the job is completed. It is advisable not to exceed 400GB per allocated GPU, which is equivalent to ~ 1.6TB per node.

Group resource

It is possible to create the /lu/tetyda/projects/GX-XX shared directory available to all project's users. If such a resource is needed, please contact help (monkey)icm.edu.pl

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