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This feature supports incremental backups. The NAS only copies files that were modified or added after the
last backup.
For details on configuring USB One Touch Copy, see the QTS User Guide.
LEDs
LEDs indicate system status and related information when the NAS is powered on. The following LED
information applies only when the drive is correctly installed and when the NAS is connected to the network.
For details on the location of the LEDs, see
.
LED
Status
Description
Status
Flashes green and red
alternately 2 times per
second
• A drive on the NAS is being formatted.
• The NAS is being initialized.
• The operating system is being updated.
• RAID rebuild is in process.
• Online RAID Capacity Expansion is in process.
• Online RAID Level Migration is in process.
Green
The NAS is ready.
Flashes green 2 times per
second
• The NAS is not configured.
• A drive on the NAS is not formatted.
Red
• The drive is invalid.
• A disk volume has reached its full capacity.
• A disk volume is about to reach its full capacity.
• The system fan is not functioning.
• An error occurred when accessing (read/write) the
data.
• A bad sector is detected on a drive.
• The NAS is in degraded read-only mode (two member
drives failed in RAID 5 or RAID 6 but the data can still
be read).
• Hardware self-test error.
Flashes Red 2 times per
second
The NAS is in degraded mode (one member drive failed in
RAID 1, RAID 5, or RAID 6).
Flashes Red once
The NAS has received a command from a remote control.
Flashes Amber
The NAS is in sleep mode (S3).
Off
All drives are in standby mode.
Gigabit LAN
(Front)
Amber
The NAS is connected to a network.
Flashes amber
The NAS is being accessed from the network.
Off
The NAS is not connected to a network.
TS-x31P2 User Guide
Basic Operations
29