description.md

 <!-- DOCTOC SKIP -->
 
-# Description of the cluster
-
-## Node configuration
+# Nodes configuration
 
 The configuration has a frontal node, named irma-atlas, and 4 compute nodes.
 
-### Frontal node `irma-atlas`
+## Frontal node `irma-atlas`
 
 * 64 cores on 4 sockets (AMD Opteron 6386 SE 2.8 Ghz),
 * 512 GB of RAM,
@@ -14,7 +12,7 @@ The configuration has a frontal node, named irma-atlas, and 4 compute nodes.
 * 70 TB for data storage (10'000 rpm HDD), (directory: /data)
 * NFS mount to access laboratory data, (such as /home)
 
-### Compute nodes `irma-atlas[1-4]` (x4)
+## Compute nodes `irma-atlas[1-4]` (x4)
 
 * 24 cores on 2 sockets (Intel Xeon E5-2680 v3 2.50GHz), hyperthreaded
 * 256 GB of RAM
@@ -27,7 +25,7 @@ Since the 25th of novembre 2015, the `irma-atlas4` node has been equipped with 2
 Everything is interconnected with both 10Gb Ethernet cards and 40Gb Infiniband cards.
 The workload manager is [slurm](https://computing.llnl.gov/linux/slurm/).
 
-## Storage
+# Storage
 
 From every node, you have access to several storages.