User manual

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Disks
This page is designed for users to monitor and manage hard disk drives installed on the NAS
and its connected expansion enclosures, and users can quickly isolate and identify hard
drives for relevant maintenance tasks.
Managing NAS Hosts
Click a NAS under "NAS Host" in the system component panel to check its general
information. Refer to the following table for actions available to manage a NAS host:
Action
Description
Enclosure
Info
Click this button to check details of an enclosure, including the model, serial
number, firmware version, BUS type, BIOS version, CPU temperature,
system temperature, power status, system fan speed and power fan speed.
Locate
(under
"Action")
Click this button and the chassis LEDs of the selected NAS host will blink for
easy identification.
RAID
Group
Click this button and select a RAID group to check its details, including
capacity, RAID group name, RAID type and disk member.
Managing Disks
Click "+" beside the NAS host in the system component panel and select a disk to check its
general information. The legend shown under the system component panel is provided to
indicate the types of hard disk drives:
 Cache: A disk drive configured as cache.
 Data: A disk drive that contains data.
 Free: An empty disk drive that does not have any data on it.
 Spare: A disk drive configured as spare drive for a RAID group.
 Error: A disk drive detected with errors (could be bad sectors or I/O errors) and it is
recommended that this disk drive is to be replaced immediately.
 Warning: A disk drive is approaching failure.
Refer to the following table for actions available to manage a disk: