initial testing with Zensical

This commit is a test run, currently I would stick with MM proper until
Zensical is more mature. Hopefully in about half a year.

Missing features:
- blog for news articles (using template at the moment, not ideal)
This commit is contained in:
2026-01-07 15:17:22 +01:00
parent 5f759a629a
commit 8776887a1e
15 changed files with 349 additions and 36 deletions

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## Slurm clusters
* The new Slurm CPU cluster is called **`merlin6`**.
* The new Slurm GPU cluster is called [**`gmerlin6`**](../gmerlin6/cluster-introduction.md)
* The new Slurm GPU cluster is called [**`gmerlin6`**](gmerlin6/cluster-introduction.md)
* The old Slurm *merlin* cluster is still active and best effort support is provided.
The cluster, was renamed as [**merlin5**](../merlin5/cluster-introduction.md).

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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.
For further information about how to use this cluster, please visit: [**Merlin6 GPU Slurm Cluster documentation**](../../gmerlin6/slurm-configuration.md).
For further information about how to use this cluster, please visit: [**Merlin6 GPU Slurm Cluster documentation**](../gmerlin6/slurm-configuration.md).
### Merlin5 CPU cluster access

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* The Merlin6 CPU nodes are in a dedicated **[Slurm](https://slurm.schedmd.com/overview.html)** cluster called [**`merlin6`**](../slurm-configuration.md).
* This is the **default Slurm cluster** configured in the login nodes: any job submitted without the option `--cluster` will be submited to this cluster.
* The Merlin6 GPU resources are in a dedicated **[Slurm](https://slurm.schedmd.com/overview.html)** cluster called [**`gmerlin6`**](../../gmerlin6/slurm-configuration.md).
* The Merlin6 GPU resources are in a dedicated **[Slurm](https://slurm.schedmd.com/overview.html)** cluster called [**`gmerlin6`**](../gmerlin6/slurm-configuration.md).
* Users submitting to the **`gmerlin6`** GPU cluster need to specify the option ``--cluster=gmerlin6``.
### Merlin5

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#SBATCH --clusters=<cluster_name> # Possible values: merlin5, merlin6, gmerlin6
```
Refer to the documentation of each cluster ([**`merlin6`**](../slurm-configuration.md),[**`gmerlin6`**](../../gmerlin6/slurm-configuration.md),[**`merlin5`**](../../merlin5/slurm-configuration.md) for further information.
Refer to the documentation of each cluster
[**`merlin6`**](../slurm-configuration.md),
[**`gmerlin6`**](../gmerlin6/slurm-configuration.md),
[**`merlin5`**](../../merlin5/slurm-configuration.md) for further
information.
* **Partitions:** except when using the *default* partition for each cluster, one needs to specify the partition:
@@ -60,7 +64,11 @@ The following settings are the minimum required for running a job in the Merlin
#SBATCH --partition=<partition_name> # Check each cluster documentation for possible values
```
Refer to the documentation of each cluster ([**`merlin6`**](../slurm-configuration.md),[**`gmerlin6`**](../../gmerlin6/slurm-configuration.md),[**`merlin5`**](../../merlin5/slurm-configuration.md) for further information.
Refer to the documentation of each cluster
[**`merlin6`**](../slurm-configuration.md),
[**`gmerlin6`**](../gmerlin6/slurm-configuration.md),
[**`merlin5`**](../../merlin5/slurm-configuration.md) for further
information.
* **[Optional] Disabling shared nodes**: by default, nodes are not exclusive. Hence, multiple users can run in the same node. One can request exclusive node usage with the following option:
@@ -74,7 +82,11 @@ The following settings are the minimum required for running a job in the Merlin
#SBATCH --time=<D-HH:MM:SS> # Can not exceed the partition `MaxTime`
```
Refer to the documentation of each cluster ([**`merlin6`**](../slurm-configuration.md),[**`gmerlin6`**](../../gmerlin6/slurm-configuration.md),[**`merlin5`**](../../merlin5/slurm-configuration.md) for further information about partition `MaxTime` values.
Refer to the documentation of each cluster
[**`merlin6`**](../slurm-configuration.md),
[**`gmerlin6`**](../gmerlin6/slurm-configuration.md),
[**`merlin5`**](../../merlin5/slurm-configuration.md) for further information
about partition `MaxTime` values.
* **Output and error files**: by default, Slurm script will generate standard output (`slurm-%j.out`, where `%j` is the job_id) and error (`slurm-%j.err`, where `%j` is the job_id) files in the directory from where the job was submitted. Users can change default name with the following options:
@@ -92,8 +104,14 @@ The following settings are the minimum required for running a job in the Merlin
#SBATCH --hint=nomultithread # Don't use extra threads with in-core multi-threading.
```
Refer to the documentation of each cluster ([**`merlin6`**](../slurm-configuration.md),[**`gmerlin6`**](../../gmerlin6/slurm-configuration.md),[**`merlin5`**](../../merlin5/slurm-configuration.md) for further information about node configuration and Hyper-Threading.
Consider that, sometimes, depending on your job requirements, you might need also to setup how many `--ntasks-per-core` or `--cpus-per-task` (even other options) in addition to the `--hint` command. Please, contact us in case of doubts.
Refer to the documentation of each cluster
([**`merlin6`**](../slurm-configuration.md),
[**`gmerlin6`**](../gmerlin6/slurm-configuration.md),
[**`merlin5`**](../../merlin5/slurm-configuration.md) for further information
about node configuration and Hyper-Threading. Consider that, sometimes,
depending on your job requirements, you might need also to setup how many
`--ntasks-per-core` or `--cpus-per-task` (even other options) in addition to
the `--hint` command. Please, contact us in case of doubts.
!!! tip
In general, for the cluster `merlin6` <span

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# News

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---
date:
created: 2019-06-12
tags:
- getting_started
title: "Merlin 6 documentation available"
date: "12 June 2019"
template: "news.html"
---
# Merlin 6 documentation available
Merlin 6 docs are now available at [Merlin6 docs](../../merlin6/index.md)!
More complete documentation will be coming shortly.

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---
date:
created: 2024-08-07
tags:
- getting_started
title: "Merlin7 in preproduction"
date: "7 August 2024"
template: "news.html"
---
# Merlin7 in preproduction
The Merlin7 cluster is officially in preproduction. This phase will be tested by a few users
and slowly we will contact other users to be part of it. Keep in mind that access is restricted.