One HDD status 
is OK. 
 
One HDD status is 
NG 
Connection failure of the 
connectors and harness of the 
mirroring kit 
  Replace the HDD & perform the replacement 
procedure of the mirroring kit HDD. 
  Replace the mirroring kit and perform the 
replacement procedure of the mirroring kit 
HDD. 
When at least one 
HDD is OK. 
  Communication trouble 
through the SATA harness of 
HDD. 
  Trouble of HDD which 
indicates the status other than 
OK. 
  Broken data in HDD. 
  RAID PWB trouble. 
  Replace the cable. Remove and connect. 
  Replace the HDD which indicates other than 
OK and perform the replacement procedure 
of the mirroring kit HDD or standard machine 
HDD. 
  Replace both of the HDD of the mirroring kit 
and that of the machine. Perform the 
replacement procedure of the mirroring kit 
HDD and standard machine HDD. 
When at least one 
HDD is NONE. 
  Communication trouble 
through the SATA harness of 
HDD. 
  Connection failure between 
the mirroring kit and the HDD. 
  HDD trouble. 
  HDD SATA harness & 
connector trouble. 
  RAID PWB trouble. 
  Replace the cable. Remove and connect. 
  Check connection between the mirroring kit 
and the HDD. 
  Replace the HDD which indicates NONE. 
Perform the replacement procedure of the 
mirroring kit HDD or standard machine HDD. 
  Replace the mirroring kit. Perform the 
replacement procedure of the mirroring kit 
HDD or standard machine HDD. 
  Replace both of the HDD of the mirroring kit 
and that of the machine. 
When in TROUBLE- 
TROUBLE. 
  RAID PWB trouble 
  (Both or one) HDD trouble 
  Replace the mirroring kit. Perform the 
replacement procedure of the mirroring kit 
HDD or standard machine HDD. 
  Replace both of the HDD of the mirroring kit 
and that of the machine. Perform the 
replacement procedure of the mirroring kit 
HDD and standard machine HDD. 
When in TROUBLE- 
TROUBLE. 
(Occurring when 
replacing the HDD) 
  The mirroring kit is composed 
of HDD's that have different 
mirroring information. (eg. A 
HDD which has been used in 
the mirroring kit of another 
machine is installed.) 
  Replace both of the HDD of the mirroring kit 
and that of the machine. Perform the 
replacement procedure of the mirroring kit 
HDD and standard machine HDD. 
Other than cases B, 
C, D, and E 
  RAID PWB trouble. 
  Both HDD’s trouble. 
  Replace the mirroring kit. Perform the 
replacement procedure of the mirroring kit 
HDD or standard machine HDD. 
  Replace both of the HDD of the mirroring kit 
and that of the machine. Perform the 
replacement procedure of the mirroring kit 
HDD and standard machine HDD.