PDomain Overview

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The SPARC M8-8 and SPARC M7-8 servers support either two static PDomains or one static PDomain. You cannot reconfigure static PDomains. However, you can administer CMIOUs and DIMMs, and use domain-level commands to administer and monitor the components within a static PDomain.

The SPARC M7-16 server supports one to four dynamic PDomains that you can reconfigure. You can also administer and monitor the components within those PDomains.

Note - DCUs are not assigned to PDomains. They are assigned to the host that runs inside the PDomain, even though you use the /Servers/PDomains/PDomain_n/HOST path to assign the DCUs to a particular host on the SPARC M7-16 server. The DCU assignments on a SPARC M8-8 or SPARC M7-8 server cannot be changed.

Each PDomain is represented as /Servers/PDomains/PDomain_n in Oracle ILOM, where n ranges from zero to one less than the maximum number of possible PDomains.

Note - Although the PDomains are enumerated at the /Servers/PDomains/PDomain_n level, the hosts are not enumerated at that level. They are enumerated at the root level (/). For example, /HOST0 is the same host as /Servers/PDomains/PDomain_0/HOST.

Each DCU is represented as /System/DCUs/DCU_n in Oracle ILOM, where n ranges from zero to one less than the maximum number of possible DCUs.

SPARC M8 and SPARC M7 Servers Administration Guide

PDomain Overview

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