Scalability and Clustering Overview
System Administration Manual
364
A single SMU is used to manage every server and cluster within the Server Farm. The SMU
hosts the management network for the Server Farm and provides quorum services for up to
eight HA clusters. Managed devices must be located in the same data center, not distributed
across a campus or MAN environment.
The following is a typical representation of a Server Farm, containing two standalone servers
and an HA cluster:
The following table distinguishes the properties of an HA cluster and a Server Farm:
Properties
HA Cluster
Server Farm
Can belong to a
Server Farm
Yes
No
EVS migration
under server
failure
Automatic
Manual
NVRAM
mirroring
between servers
Yes
No