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Merlin contains a multi-cluster setup, where multiple Slurm clusters coexist under the same umbrella.
It basically contains the following clusters:
* The **Merlin6 Slurm CPU cluster**, which is called [**`merlin6`**](/merlin6/slurm-access.html#merlin6-cpu-cluster-access).
* The **Merlin6 Slurm GPU cluster**, which is called [**`gmerlin6`**](/merlin6/slurm-access.html#merlin6-gpu-cluster-access).
* The *old Merlin5 Slurm CPU cluster*, which is called [**`merlin5`**](/merlin6/slurm-access.html#merlin5-cpu-cluster-access), still supported in a best effort basis.
* The **Merlin6 Slurm CPU cluster**, which is called [**`merlin6`**](#merlin6-cpu-cluster-access).
* The **Merlin6 Slurm GPU cluster**, which is called [**`gmerlin6`**](#merlin6-gpu-cluster-access).
* The *old Merlin5 Slurm CPU cluster*, which is called [**`merlin5`**](#merlin5-cpu-cluster-access), still supported in a best effort basis.
## Accessing the Slurm clusters
Any job submission must be performed from a **Merlin login node**. Please refer to the [**Accessing the Interactive Nodes documentation**](/merlin6/interactive.html)
Any job submission must be performed from a **Merlin login node**. Please refer to the [**Accessing the Interactive Nodes documentation**](accessing-interactive-nodes.md)
for further information about how to access the cluster.
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:
@@ -28,13 +28,13 @@ The **Merlin6 CPU cluster** (**`merlin6`**) is the default cluster configured
in the login nodes. Any job submission will use by default this cluster, unless
the option `--cluster` is specified with another of the existing clusters.
For further information about how to use this cluster, please visit: [**Merlin6 CPU Slurm Cluster documentation**](/merlin6/slurm-configuration.html).
For further information about how to use this cluster, please visit: [**Merlin6 CPU Slurm Cluster documentation**](../slurm-configuration.md).
### Merlin6 GPU cluster access
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.
For further information about how to use this cluster, please visit: [**Merlin6 GPU Slurm Cluster documentation**](/gmerlin6/slurm-configuration.html).
For further information about how to use this cluster, please visit: [**Merlin6 GPU Slurm Cluster documentation**](../../gmerlin6/slurm-configuration.md).
### Merlin5 CPU cluster access
@@ -46,4 +46,4 @@ available for old users needing extra computational resources or longer jobs.
Have in mind that this cluster is only supported in a **best effort basis**,
and it contains very old hardware and configurations.
For further information about how to use this cluster, please visit the [**Merlin5 CPU Slurm Cluster documentation**](/gmerlin6/slurm-configuration.html).
For further information about how to use this cluster, please visit the [**Merlin5 CPU Slurm Cluster documentation**](../../merlin5/slurm-configuration.md).