|C H A P T E R 4|
Creating and Starting Multiple Domains
Read Domains and Partitions. If you have a Sun Fire 6800 system and you are planning to set up three or four domains, you will need to set up dual partition mode (two partitions). It might be helpful to maintain at least one unused domain for testing hardware before dynamically reconfiguring it into the system.
A domain must contain a minimum of one CPU/Memory board and one I/O assembly. However, it is suggested that you have at least two CPU/Memory boards and I/O assemblies for high availability configurations. If you have a Sun Fire 6800 system, go to the next step.
The Sun Fire 6800 system has two power grids, grid 0 and grid 1. For information on how boards are divided between grid 0 and grid 1, see To Set Up Domains With Component Redundancy in a Sun Fire 6800 System and Power.
4. If you need to configure two partitions, turn off all domains. Otherwise, skip to Step 5.
Otherwise, skip to Step 5.
Note - It is strongly suggested that you use domain C with two partitions (dual- partition mode) for your second domain. It provides better fault isolation (complete isolation of Repeater boards). With one partition, use domain B for the second domain.
1. Complete all steps in To Create Multiple Domains.
Set the date and time for the second domain in exactly the same way you set the date and time for domain A. For an example of the setdate command, refer to the setdate command in the Sun Fire 6800/4800/4810/3800 System Controller Command Reference Manual.
Set the password for the second domain in exactly the same way you set the password for domain A. For an example of the password command, refer to the password command in the Sun Fire 6800/4800/4810/3800 System Controller Command Reference Manual.
Note - Is is recommended that you set up a loghost server and then assign the loghost for the domain shell. Use the setupdomain command to assign a loghost for the domain shell. See To Configure Domain-Specific Parameters.
For details on using dumpconfig, see the procedure Saving the Current Configuration to a Server.
Go to To Start a Domain.
TABLE 4-1 provides some best-practice guidelines to follow.
4. Perform all steps in the procedure To Create a Second Domain to create the third domain.