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Technical Requirements

Server requirements

Datacenter and on-premises Fibostack deployments require a minimum of 6 servers to offer virtualization-based functionality.

Minimum
  • 3 nodes for Control domain
  • 2 nodes for Virtualization domain - (1 hypervisor for virtual machines and 1 for container host)
  • 1 nodes for Monitoring domain
Recommended
  • 3 nodes for Control domain
  • 6 nodes for Virtualization domain - (3 hypervisor for virtual machines and 3 for container host)
  • 2 nodes for Monitoring domain
Servers spec

All servers must have PXE boot capability and IPMI Remote Management Interface. PXE boot must be activated as a first boot option during Fibostack setup phase 1 only and can be deactivated afterward.

Supported CPU manufacturers are Intel, AMD (Intel is preferable).

RAM version is not fixed (both DDR3 and DDR4 are supported for each node type)

Control and monitoring domain servers
  • In case of small cluster sizes (less than 10 hypervisors) Xeon x56XX (single or dual CPU) or at least 8-core Xeon E3 and 48GB RAM (expandable to 96GB) per node suffice. For larger clusters, please discuss this matter before Fibostack deployment is started.
Virtualization domain servers
  • Although there are no strictly defined minimum system requirements for virtualization hosts, it is recommended to have 2 x 8-core Xeon E5 (or higher) and 256GB RAM (recommended RAM amount heavily depends on the number of cores in total).
Server inter-connectivity
Three IP-pools are required:
  • For end-users, 1 for internal IPs and 1 for external IPs.
  • For Fibostack, 1 for internal IPs
There are no strict requirements on networking equipment manufacturers (Juniper and Cisco are preferred).

NIC requirements
  • For Control domain servers, at least 2 extension NICs, one of which must be 10GbE or 25GbE (dual-port recommended)
  • For Virtualization domain servers, at least 2 extension NICs, both 10GbE or 25GbE (dual-port recommended)
  • For management and monitoring purposes, all servers must include at least 1 NIC, 1GbE (dual-port recommended)
Storage
As a system storage, both, Control domain and Virtualization domain require:
  • At least 2 x 500 GB SSD or NVMe in RAID 1 as a boot storage
As a user storage for Virtualization domain, is:
  • Distributed storage (Ceph is strongly recommended)
Software
  • One server should be equipped with bootable Linux and DHCP + TFTP service set provided by the Fibostack team, installed on it.
  • All servers should come with one of those Linux distributions (Ubuntu 18.04 LTS, Centos 7 or RHEL 7) installed.
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