Virtual servers [Institute of Botany MetaCentrum cluster and storage]

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====== Virtual servers ======

Virtual server are running on blade server MicroBlade 314E-220 with 7 blades, each with 2x Intel Xeon CPU. Virtualization platform is Proxmox.

{{ :cluster_virtualy_1.jpg?600 |Virtual servers}}

===== Frontend node tilia =====

The node comprises of 4 vCPU, 2.4 GHz, 8 GB RAM and 50 GB SSD disk. Its usage follows the same procedures as for any other [[https://wiki.metacentrum.cz/wiki/Frontend|frontend node in the MetaCentrum]]. It is mainly advantageous to log there in order to process data stored on the [[en:hw:uloziste|Průhonice data array]] and/or to [[en:hw:vypocetni|send requests to the Průhonice cluster]]. It can be reached at ''tilia.ibot.cas.cz'' (alias ''tilia.metacentrum.cz'') and home directories are located at ''/storage/pruhonice1-ibot/home/...'' on the data array.

===== Database server =====

The server is equipped with 8 vCPU, 2.4 GHz, 32 GB RAM and 60 GB SSD disk. It is mainly intended for running NoSQL databases such as [[https://neo4j.com/|Neo4j]] and [[https://www.mongodb.com/|MongoDB]] that are used during Apache Hadoop and Spark computations on the [[en:hw:vypocetni#high-performance-computing-hpc-nodes|HPC nodes]], and for other specialized tasks.

===== Gitlab server =====

The server is equipped with 10 vCPU, 2.4 GHz, 16 GB RAM and 2 TB SSD disk. It is used exclusively for running [[en:gitlab|GitLab]].

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{{ :cluster_virtualy_2.jpg?600 |Virtual servers}}

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Back to [[en:hw|hardware overview]].

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