HP Insight Control Software for Linux - Manual (Page 46)

Figure 4-1 Management hub aggregation
HP recommends that you create at least one management hub for every 256 servers. For example,
if you plan to monitor 1000 servers, you should create a minimum of 4 management hubs.
The management hub also runs the Supermon aggregator (supermond) and Nagios
(nagios_monitor) services.
4.2.1 Creating a management hub
Use the following procedure to create a management hub:
NOTE: You can perform Steps 2 and 3 in reverse order, but both must be done before step 4.
1. Determine which server or servers you want to act as a management hub.
2. Install the operating system for that server using the appropriate Kickstart or AutoYaST file;
this file has the form *-management-hub.cfg to ensure that the required RPMs are
installed. For specific information on installing operating systems, see
Chapter 7 (page 81) .
3. Add the server to the {collection_name}_Management_Hubs collection as follows:
46 Installing and setting up managed systems