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37 lines
1.7 KiB
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37 lines
1.7 KiB
Markdown
# Accessing Slurm Cluster
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## The Merlin Slurm clusters
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Merlin contains a multi-cluster setup, where multiple Slurm clusters coexist under the same umbrella.
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It basically contains the following clusters:
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* The **Merlin6 Slurm CPU cluster**, which is called [**`merlin6`**](#merlin6-cpu-cluster-access).
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* The **Merlin6 Slurm GPU cluster**, which is called [**`gmerlin6`**](#merlin6-gpu-cluster-access).
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## Accessing the Slurm clusters
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Any job submission must be performed from a **Merlin login node**. Please refer to the [**Accessing the Interactive Nodes documentation**](accessing-interactive-nodes.md)
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for further information about how to access the cluster.
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In addition, any job *must be submitted from a high performance storage area visible by the login nodes and by the computing nodes*. For this, the possible storage areas are the following:
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* `/data/user`
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* `/data/project`
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* `/shared-scratch`
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Please, avoid using `/psi/home` directories for submitting jobs.
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### Merlin6 CPU cluster access
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The **Merlin6 CPU cluster** (**`merlin6`**) is the default cluster configured
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in the login nodes. Any job submission will use by default this cluster, unless
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the option `--cluster` is specified with another of the existing clusters.
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For further information about how to use this cluster, please visit: [**Merlin6 CPU Slurm Cluster documentation**](../slurm-configuration.md).
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### Merlin6 GPU cluster access
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The **Merlin6 GPU cluster** (**`gmerlin6`**) is visible from the login nodes. However, to submit jobs to this cluster, one needs to specify the option `--cluster=gmerlin6` when submitting a job or allocation.
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For further information about how to use this cluster, please visit: [**Merlin6 GPU Slurm Cluster documentation**](../../gmerlin6/slurm-configuration.md).
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