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10. SOFTWARE RAID1
10.6.3 Status display function for RAID1
The status display function for RAID1 shows the current status of the software RAID1. It is
used for checking the status of the software RAID1.
The following is a list of information this function displays.
• RAID status
Item
Array Status
(*1) If medium error occurs, "(MEDIA ERROR)" is attached to the end of the value.
Medium error means that read error occurred at the copy source HDD during rebuild and there is a
problem with data integrity.
• Status of each HDD
Item
HDD#1, HDD#2
(*2) This includes the cases where write error occurred during a rebuild process or a rebuild process is aborted.
Value
OPTIMAL
DEGRADE
UNKNOWN
Value
ONLINE
OFFLINE
OFFLINE (INCOMPLETE
DATA)
REBUILD
NORMAL
NOTMOUNTED
UNKNOWN
ERROR
Description
The RAID is working properly.
The array has redundancy. (*1)
The RAID is in fall-back operation.
The array does not have redundancy. (*1)
The status is unknown.
Description
The HDD is working properly.
Due to HDD failure, the HDD is disconnected.
You need to replace the HDD.
The HDD is disconnected due to power failure or
reset. If you rebuild the RAID, you can continue to
use the HDD.
The HDD is under a rebuild process. (*2)
The HDD has never been used for the B model.
No HDD is mounted in the drive bay.
Acquisition of the HDD status failed.
Access to the HDD failed.
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