Universal Management Suite 12.04 UMS Reference Manual UMS Installation and Update IGEL UMS Installation Installation and Sizing Guidelines for IGEL UMS IGEL UMS Sizing Guidelines & Architecture Diagrams Current: Extra Large Environment: UMS XL (HA) PDF Download PDF Download page Extra Large Environment: UMS XL (HA). Current page All pages Extra Large Environment: UMS XL (HA) Extra Large UMS Installations with up to 300k Devices; High Availability + ICG Installation Size#Devices#UMS Server HostUMS Server UMS Console Standalone #Load Balancer StandaloneLoad Balancer Standalone Database*ICGXL (HA or Distributed UMS)**< 300.000Up to 6 servers (1 server / 50,000 devices) 9 GB RAM (Web App +1GB) 6 CPUs 25 GB HDDMandatory 6 GB RAM 4 CPUs 1 GB HDD Up to 3 load balancers(1 load balancer / 3 servers)4 GB RAM 4 CPUs 2 GB HDDExternal database 20 GB 1 ICG instance per 2,500 devices Server generally:8 GB RAM2 CPUs20 GB HDDOnly ICG service:4 GB RAM 2 CPUs 2 GB HDD* Follow the recommendation of the external database system on RAM and CPU. ** General recommendation: 1 UMS Server per 50,000 devices, 1 load balancer for 3 UMS Servers. Architecture: Extra Large Environment (HA) + ICG ×