Dell OpenManage Server Administrator Version 6.5 Manual de usuario descargar pdf (Pagina 112)

112 omconfig: Managing Components

omconfig chassis memorymode/omconfig mainsystem memorymode

Use the omconfig chassis memorymode or omconfig mainsystem

memorymode command to specify the redundancy mode you want to use for

your system memory in case of memory errors.

Redundant memory enables a system to switch to other available memory

modules if unacceptable errors are detected in the modules that the system is

currently using. The omconfig chassis memorymode or omconfig

mainsystem memorymode command allows you to disable redundancy;

when you disable redundancy, you instruct the system not to switch to other

available memory modules when the module the system is using begins to

encounter errors. To enable redundancy, choose among mirror, raid, and dddc.

Spare mode disables a bank of system memory in which a correctable memory

event is detected, enables the spare bank, and copies all the data from the

original bank to the spare bank. Spare bank requires at least three banks of

identical memory; the operating system does not recognize the spare bank.

Mirror mode switches to a redundant copy of memory when an uncorrectable

memory event is detected. After switching to the mirrored memory, the

system does not switch back to the original system memory until the next

reboot. The operating system does not recognize half of the installed system

memory in this mode.

RAID mode provides an extra level of memory checking and error recovery at

the expense of some memory capacity.

The dddc mode enables double device data correction. This ensures data

availability after hard failure of x4 DRAM.

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Dell OpenManage Server Administrator Version 6.5 Manual de usuario Pagina 112