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Technology■>■Controller■System■■>■Controls■>■HDD■mirroring■feature■(option)
Technology■>■Controller■System■■>■Controls■>■HDD■mirroring■feature■(option)
Mode■Flow■during■Operation
Mirror Mode
Halt Mode
Rebuild Mode
Degrade Mode
Unable to detect Master HDD
In which HDD?
Both HDDs
Either HDD
Halt Mode
In which HDD?
Master HDD
Backup HDD
Mirror Mode
HDD Status?
When successfully
Rebuilt
Unable to detect
Master HDD
Halt Mode
Unable to detect
Backup HDD
Degrade Mode
Halt Mode
Trouble
See Overview of
Trouble Recovery
Trouble
See Overview of
Trouble Recovery
F-2-38
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●
Overview■of■Trouble■Recovery
When■any■trouble■occurs■in■the■mirroring■system,■take■the■action■for■recovery■appropriate■to■
each■mode.
The■HDD■in■trouble■can■be■located■by■the■red■LED■on■the■LED■PCB.
In■case■the■master■HDD■cannot■be■located,■turn■OFF/■ON■the■power■to■check■whether■the■
green■LED■is■lit■on■the■LED■PCB.
The■firstly■blinked■green■LED■(ChA■or■ChB)■in■a■high■speed■tells■the■Master■HDD,■which■is■
accessed■firstly.
The■green■LED■not■lit■on■a■channel■tells■the■location■of■Backup■HDD.
Name■of■
Mode
Status
Action■for■Recovery
HDD1■
(ChA)
HDD2■
(ChB)
Red■
LED
Red■
LED
Mirror■Mode
Normal■(at■standby)
Under■normal■operation
---
---
Degrade■
Mode■(see*1)
HDD1■in■trouble
1.■Check■the■connection■between■HDD1■and■
Mirroring■Board■or■Main■Controller■PCB■2.
2.■When■the■trouble■is■not■recovered,■
replace■the■HDD1.
A
---
HDD2■in■trouble
1.■Check■the■connection■between■HDD2■and■
Mirroring■Board■or■Main■Controller■PCB■2.
2.■When■the■trouble■is■not■recovered,■
replace■HDD2.
---
A
Rebuild■mode Copying■data■to■HDD1■
(Rebuild)
Copying■(under■Rebuild)
B
---
Copying■Data■to■HDD2■
(Rebuild)
Copying■(under■Rebuild)
---
B
Halt■mode
Both■HDDs■in■trouble 1.■Check■Master■HDD■and■Backup■HDD■(see■
*2)
2.■When■the■trouble■is■not■recovered,■
replace■the■two■HDDs■(format■the■
replaced■HDD■and■download■the■system■
software).
A
A
---:■Not■lit■■■■■■A:■Lit■■■■■B:■Blinking■at■an■interval■of■0.5■seconds
*1:■This■mode■shows■the■message,■“Need■to■replace■hard■disks■(contact■your■service■
engineer)”,■on■the■control■panel.■In■addition,■“310006”■is■indicated■in■CODE■field■of■Alarm■Log■
in■service■mode■(COPIER■>■DISPLAY■>■ALARM-2).
*2:■Never■install■the■HDD■used■in■the■other■model.■The■used■HDD■holds■the■ID■specific■to■
the■firstly-installed■machine,■thus■this■machine■is■unable■to■recognize■it.■If■done,■you■need■to■
reinstall■the■HDD■recognized■in■this■machine.
T-2-17