The number of domains allowed depends on which midrange or high-end server model you have. The default is one domain and the maximum number of domains is

24.Each domain is identified with a domain ID number, with the default domain as

#0.

TABLE 4-1shows the maximum number of system boards, the maximum number of domains, and the domain ID number range by server model.

TABLE 4-1Boards, Domains, and Domain ID Numbers

Server Model

Maximum Physical

Maximum Domains

Domain ID Number

 

System Boards

 

Range

 

 

 

 

M9000 + expansion unit

16

24

0-23

M9000

8

24

0-23

M8000

4

16

0-15

M5000

2

4

0-3

M4000

1

2

0-1

 

 

 

 

Domains can be set up to include both Uni-XSBs and Quad-XSBs.shows two XSBs in Uni-XSB mode (left side of figure) and two XSBs in Quad-XSB mode (right side of figure) on a high-end server; the partition of these boards into three Solaris domains is shown by shading.

52 SPARC Enterprise Mx000 Servers Administration Guide • November 2007