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en:documentation:tutorials:scratch [2020/02/10 16:15] – [scratch local to some nodes] ltaulell | en:documentation:tutorials:scratch [2021/11/18 15:20] – [Network topology of PSMN] ltaulell |
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Two types of ''/scratch'' are available: | Two types of ''/scratch'' are available: |
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<note warning> | |
**Incomplete informations, because of new cluster (Lake)** | |
</note> | |
===== Global scratch of a cluster ===== | ===== Global scratch of a cluster ===== |
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==== Cluster Lake ==== | ==== Cluster Lake ==== |
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The ''/scratch/Lake/'', common to ** CLG* and SLG* ** queues will be available for all [[documentation:clusters:hardware&#cluster_lake|cluster Lake nodes]]. | The ''/scratch/Lake/'', common to ** CLG* and SLG* ** queues is available for all [[documentation:clusters:hardware&#cluster_lake|cluster Lake nodes]]. |
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It contains ''/scratch/Lake/lake-gfs-scratch'', as a empty check file. | It contains ''/scratch/Lake/lake-gfs-scratch'', as a empty check file. |
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<note tip> | <note tip> |
**Chimie et Bio scratches are already available** | **-At last-, ''/scratch/Lake'' is available** |
</note> | </note> |
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<code> | <code> |
/scratch/ | /scratch/ |
├── Lake/ (yet to come, common to Lake cluster) | ├── Lake/ (common to Lake cluster) |
├── disk/ (local to some servers) | ├── disk/ (local to some servers) |
├── Chimie/ (reserved to chimie usage) | ├── Chimie/ (reserved to chimie usage) |
==== Cluster E5 ==== | ==== Cluster E5 ==== |
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The ''/scratch/E5/'', common to ** E5-* ** queues is available for all [[documentation:clusters:hardware&#cluster_e5|cluster E5 nodes]]. | The ''/scratch/E5N/'', common to ** E5-* ** queues is available for all [[documentation:clusters:hardware&#cluster_e5|cluster E5 nodes]]. |
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It contains ''/scratch/E5/e5-2670-gfs-scratch'', as a empty check file. | It contains ''/scratch/E5N/E5N-gfs-scratch'', as a empty check file. |
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It is accessible from **[[documentation:clusters:services|cluster E5 front machines]]** | It is accessible from **[[documentation:clusters:services|cluster E5 front machines]]** |
<code> | <code> |
/scratch/ | /scratch/ |
├── E5/ (E5 scratch, common to E5 cluster) | ├── E5N/ (E5 scratch, common to E5 cluster) |
├── nvme/ (local to some servers) | ├── nvme/ (local to some servers) |
├── ssd/ (local to some servers) | ├── ssd/ (local to some servers) |
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\\ | \\ |
The diagram below (<wrap warning>NOT up-to-date</wrap>) represents the integration of these two ''/ scratch'' spaces in the PSMN infrastructure. | The diagram below represents the integration of these ''/scratch'' spaces in the PSMN infrastructure. |
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{{ :documentation:tutorials:psmn_network_synoptic.png?direct&660 |}} | {{ :documentation:tutorials:psmn_network_synoptic_a3_2021.png?direct&660 |}} |
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<hidden> | |
{{ :documentation:tutorials:psmn-network-synoptic.png?direct&640 |}} | |
</hidden> | |
\\ | \\ |
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