NEC Express5800/340Hb-R Setup Guide download pdf (Page 106)

4-58 Windows Setup

Set MTBF Type

In this section, you can specify operations to be performed when failures occur on CPU o

modules.

NEC Express5800/ft series manages the MTBF (mean time between fai

r PCI

lure) of hardware

c ates

th e pre-defined threshold, the NEC

E etting MTBF type for each module allows

you to hold when failures occur.

“Use T TBF is calculated and the module is

becomes lower than the threshold.

eve TBF.

lways Restart”..................... If a failure occurs, the module is restarted regardless of the MTBF.

he default setting is “Use Threshold”.

IMPORTANT:

omponents. If a fault occurs on a CPU or PCI module, the NEC Express5800/ft series calcul

e MTBF again. If the calculated value is lower than th

xpress5800/ft series disables the applicable module. S

restart or stop using the module without calculating the thres

TBF type description

hreshold” (default) ....... If a failure occurs, the M

stopped when the value

“N r Restart” ....................... If a failure occurs, the module is stopped regardless of the M

“A

 By clearing the MTBF, you can forcefully enable the component which has been

disabled because the MTBF value became lower than the threshold. Contact your

maintenance personnel if you want to enable the component forcefully.

 If you set “Always Restart” for the MTBF type, the module may continue restarting

when a failure occurs. It is recommended to set “Use Threshold” for the MTBF type.

The module will be stopped automatically when it fails to restart repeatedly.

 When the module is replaced, the MTBF type returns to the default setting “Use

Threshold”.

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NEC Express5800/340Hb-R Setup Guide Page 106