Home > Workload Solutions > High Performance Computing > White Papers > Dell Validated Design for HPC Life Science with 4th Gen Intel Xeon Scalable Processors and Dell PowerScale > Infrastructure servers
Infrastructure servers are used to administer the system and provide user access. They are not typically involved in computation but provide services critical to the overall HPC system. These servers are used as the management nodes and the login nodes. For small-sized clusters, a single physical server can provide the necessary system management functions. Infrastructure servers can also be used to provide storage services, in which case they must be configured with additional disk drives or an external storage array. One management server is necessary for an HPC system to deploy and manage the system. If high-availability (HA) management functionality is required, two management servers are necessary. Login nodes are optional, and one login server per 30 to 100 users is recommended.