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2-144 SPARC Enterprise Mx000 Servers XSCF User’s Guide • December 2010

Domain

Configuration

Divides hardware resources in this system into independent software-based units. Partitioning is

performed with XSCF as follows:

1. XSBs are defined with each consisting of a CMU or MBU and an I/O unit divided by software.

(In M4000/M5000 servers, there will be I/O on only half of the XSBs.)

2. Each XSB is handled as an LSB so that it can configure a domain and be assigned a number

(LSB number). Furthermore, XSCF can define LSB resources in detail.

3. The domain operates with the LSB resources and the LSB number.

Domain ID (DID) ID assigned to a domain.

Domain Component

List (DCL)

This is a list of domain configuration information. The DCL represents the hardware resource

information that is set for each domain and each LSB belonging to a domain. It can be specified

and displayed by setdcl(8) and showdcl(8), respectively.

Memory mirror mode In this mode, a PSB has two memory units, one mirroring the other. Saving the same data in the

separate memory units improves data security.

DIMM (Memory) Memory modules on a system board. For details on DIMMs, see the Service Manual for your

server.

Configuration policy

(Note 2)

If an error is detected in a domain in an initial hardware diagnosis, the range of logical resources

to be removed can be specified. The policy determines whether to remove system boards or

separate resources. On M3000 servers, the setdcl(8) command can only be used to set

configuration policy.

Omit-I/O option

(Note 2)

System board (XSB) configuration that prevents a specific domain from logically using I/O units

on a system board. The DR function (Note 1) is enabled with fewer hardware resources.

(A PCI and LAN driver are prevented from being incorporated into the domain of an LSB.)

Omit-memory option

(Note 2)

System board (XSB) configuration that prevents a specific domain from logically using memory on

a system board.

Floating board

(Note 2)

A floating board is designated to be moved easily to another domain. In operation with a kernel

and important I/O on the system board in a domain, and to facilitate the DR operation of the

system board, it is necessary to define the system board so that can be deleted or moved easily.

This definition is called a floating board option. A system board that lowered priority of the kernel

memory loading by enabling the floating board option is called a floating board.

XSB status The power status and the diagnostic, assignment, and integration conditions of a system board

belonging to a domain are displayed for each XSB. The progress of changes in conditions can be

found by switching the domain configuration. The XSB status information can be referred to with

showdcl(8) and showboards(8). For details on the XSB status, see

TABLE 2-27.

Fault code Indicating that an error occurred in an XSB. For details on the fault codes, see

TABLE 2-27.

System board pool

(SP)

The state of system board that does not belong to any domain. A system board that is the system

board pool state can be added to a domain where a CPU or memory has a high load. When the

added system board becomes unnecessary, the system board can be returned to the system board

pool state.

TABLE 2-23 Domain Configuration Terms (Continued)

Term Description

1 2 ... 179 180 181 182 183 184 185 186 187 188 189 ... 431 432

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Cooper M3000 Guide de l'utilisateur Page 184

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