DCImanager Administrator

Locations. General information

ISPSystem

An administrator can add servers to DCImanager regardless of their geographical location and data centers. Remote servers can be grouped according to their location. To do so, you can utilize locations in the platform. 

A location is an interface that allows DCImanager to manage servers from one data center. Every location in the data center has a special server that is used as a DHCP server and storage of OS templates for all servers in the location. A server must be physical or virtual based on KVM virtualization. A server with DCImanager can be used as a location. Learn more in the article Adding a location

Requirements


  • CentOS 7 or Ubuntu 20.04 must be installed on the servers-locations. The OS on the location server may not match the OS of the parent server;
  • Servers-locations must have sufficient disk space for OS templates. We recommend allocating at least 100 Gb;
  • Servers-locations must have at least 8 Gb RAM;
  • Server-location and servers in the location must be in the same L2 network segment;
  • The parent server must have access to servers-locations via SSH;
  • Applications using DHCP, TFTP, and HTTP must not be installed on servers-locations;
  • Firewall other than firewalld must not be used on servers-locations.

Port settings


For the location, the following ports are used:

  1.   DCImanager access to location:
    • 22/TCP — for SSH connection and operation of IPMI Proxy v2 module;
    • 7996/TCP — for connection to Redis database management system.
  2.   Servers access to location:
    • 67/UDP — to enable DHCP;
    • 69/TCP — to enable TFTP;
    • 111, 2049, 32767/TCP - to enable NFS;
    • 445/TCP — to enable Samba;
    • 1500/TCP — to enable Nginx web server.
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