Canon imageRUNNER ADVANCE C5051 Series Service Manual page 59

2
Technology■>■Controller■System■■>■Controls■>■HDD■mirroring■feature■(option)
● Description■of■Modes ■
The■mirroring■system■of■this■machine■consists■of■4■modes.
The■modes■in■parentheses■show■the■mirroring■system■statuses.
The■status■flows■among■the■modes■below■during■operation.
The■table■below■lists■descriptions■of■modes■and■operational■overview.
Name■of■Mode Description
Mirror■Mode Both■HDDs■are■normally■
operated
Degrade■Mode Any■trouble■occurred■in■
the■backup■HDD■suspends■
mirroring■operation.■The■
machine■can■be■used■under■this■
condition,■however,■the■backup■
HDD■should■be■replaced■at■the■
earliest■convenience.
Rebuild■mode The■data■of■the■master■HDD■is■
copied■(rebuilt)■to■the■backup■
HDD.■The■machine■can■be■
used■under■this■condition.
Halt■mode Both■HDDs■are■in■trouble■(see■
*1)
*1:■Turn■OFF/■ON■the■power■in■this■mode,■the■mode■returns■to■the■previous■mode.
2 Technology■>■Controller■System■■>■Controls■>■HDD■mirroring■feature■(option)
Master■HDD■Status Backup■HDD■Status
In■normal■operation In■normal■operation
In■normal■operation With■troubles■(HDD■not■
installed/■HDD■in■trouble)
In■normal■operation In■recovery■from■the■
trouble■(Copying■data■of■
Master■HDD)
In■trouble■(HDD■not■ With■troubles■(HDD■not■
installed/■HDD■installed■ installed/■HDD■installed■
not■registered/■HDD■ not■registered/■HDD■
disconnected■while■the■ disconnected■while■the■
mirroring■board■is■in■ mirroring■board■is■in■
operation) operation)
Mode■Flow■at■Start-up
Halt Mode
Mirror Mode
Trouble
Both HDDs
In which HDD?
Halt Mode
T-2-16
Turn ON Main Power Switch
Flow to Mode at Previous Job Completion
Degrade Mode Rebuild Mode
See Overview of
Trouble
Trouble Recovery
Backup HDD
Either HDD
In which HDD?
Degrade Mode
Degrade Mode
Master HDD
See Overview of
See Overview of
Trouble Recovery
Trouble Recovery
Unable to detect Unable to detect
Master HDD at Start-up
Master HDD at Start-up
Halt Mode Halt Mode Halt Mode
See Overview of Trouble Recovery
Mirror Mode
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F-2-37
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