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en:computing:cluster:hardware:start [2024/02/16 14:38] – initial translation David Celnýen:computing:cluster:hardware:start [2024/07/17 15:58] (current) – [KRAKEN - Hardware] Jan Pech
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 ====== KRAKEN - Hardware ====== ====== KRAKEN - Hardware ======
  
-KRAKEN cluster is composed of **administrative node** (access, queue control, job preparation, ...)+KRAKEN cluster is composed of **frontend node** (access, queue control, job preparation, ...)
  
-**The administrative node is not occupied by computational tasks!**+**It is prohibited to run computational tasks at the frontend node!**
  
 ^ Processor:|[[https://www.amd.com/en/products/cpu/amd-epyc-7302p|AMD EPYC 7302P 16-Core Processor]] |<sub>16 cores, 3.0GHz, hyperthreading, 128MB cache</sub>| ^ Processor:|[[https://www.amd.com/en/products/cpu/amd-epyc-7302p|AMD EPYC 7302P 16-Core Processor]] |<sub>16 cores, 3.0GHz, hyperthreading, 128MB cache</sub>|
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 === M - as MultiCore ==== === M - as MultiCore ====
-Part M contains a total of **10 compute nodes** (576 cores in total, 2.82TB RAM) built on three processor architectures, for which optimized software packages are also available in [[computing:cluster:software:modules|environment modules]]:+Part M contains a total of **10 compute nodes** (576 cores in total, 3.33TB RAM) built on three processor architectures:
  
 **1. Intel - broadwell**, 6 nodes (kraken-m1, ..., kraken-m6): **1. Intel - broadwell**, 6 nodes (kraken-m1, ..., kraken-m6):
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 **2. AMD - zen 2**, 3 nodes (kraken-m7,...,kraken-m9), in operation from 10/2021: **2. AMD - zen 2**, 3 nodes (kraken-m7,...,kraken-m9), in operation from 10/2021:
 ^ Processors:|2x [[https://www.amd.com/en/products/cpu/amd-epyc-7552|2nd Gen AMD EPYC(TM) 7552]] |<sub>**48 cores, 2.2-3.3GHz, 192MB cache** (96 cores per node)</sub> | ^ Processors:|2x [[https://www.amd.com/en/products/cpu/amd-epyc-7552|2nd Gen AMD EPYC(TM) 7552]] |<sub>**48 cores, 2.2-3.3GHz, 192MB cache** (96 cores per node)</sub> |
-^ Memory:|2 nodes with 256GB, 1 node with **512GB** (kraken-m8) |<sub>DDR4 3200MHz ECC</sub> |+^ Memory:|512GB per node|<sub>DDR4 3200MHz ECC</sub> |
 ^ Disk storage:|960GB per node |<sub>NVMe M.2 SSD</sub> | ^ Disk storage:|960GB per node |<sub>NVMe M.2 SSD</sub> |
 ^ Remote controll:|IPMI |<sub>KVM-o-E</sub> | ^ Remote controll:|IPMI |<sub>KVM-o-E</sub> |
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   - m1-m6 nodes    - m1-m6 nodes 
   - l1-l4 nodes    - l1-l4 nodes 
-  - m7-m9 nodes +  - m7-m10 nodes