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D-Link DNS-3±1 User Manual
Section 3 - Configuration
Power Management
Power
Management
The DNS-321 Power Management feature allows you to configure the drives to shut down while power remains constant
to the device.
The drives will power up again when data is accessed.
Enable or Disable Power
Management on the DNS-321.
Turn off Hard
Drives
Set the amount of idle time before
the drives will shut down.
Click
Save Settings
to activate
and save your changes.
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D-Link DNS-3±1 User Manual
Section 3 - Configuration
RAID
RAID Settings
The DNS-321 supports four different disk configuration types:
Standard
, where each drive is a unique volume,
JBOD
,
which combines both drives in a linear fashion to create one volume, as well as
RAID 0
and
RAID 1
.
Click
Set RAID Type and Re-Format
to
change the current drive configuration.
All data will be lost on your hard drives
when changing the drive configuration.
A pop-up window will appear with the drive
configuration options:
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D-Link DNS-3±1 User Manual
Section 3 - Configuration
What is RAID?
RAID, short for Redundant Array of Independent Disks, is a combination of two or more disks with the aim of providing
fault tolerance and improving performance.
There are several different levels of RAID, with each providing a different
method of sharing or distributing data amongst the drives. The DNS-321 supports RAID levels 0 and 1.
RAID 0
RAID 0 provides
data striping
, which spreads
out blocks of data over both drives, but does not
provide data redundancy.
Although performance is improved, the lack of
fault tolerance means that if one drive fails, all
data in the array will be lost.
RAID 0
RAID 1
RAID 1 provides
mirroring
over both disks, with
the same read/write speed of a single disk.
A
RAID 1 array can only be as large as it’s smallest
member disk.
Because the data is stored on both disks,
RAID 1 provides fault tolerance and protection,
in addition to performance advantages.
RAID 1
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D-Link DNS-3±1 User Manual
Section 3 - Configuration
DDNS
DDNS
Server Address
Host Name
Username or Key
Password or Key
Verify Password
or Key
Timeout
Status
The DDNS feature allows you to host a server (Web, FTP, Game Server, etc…) using a domain name that you have
purchased (www.whateveryournameis.com) with your dynamically assigned IP address. Most broadband Internet
Service Providers assign dynamic (changing) IP addresses. Using a DDNS service provider, your friends can enter
your domain name to connect to your server regardless your IP address.
Select
Enable
or
Disable
.
Enter the DDNS server address or select
from the drop-down menu.
Enter your DDNS host name.
Enter your DDNS username or key*.
Enter your DDNS password or key*.
Re-enter your password or key*.
The time between periodic updates to
the Dynamic DNS. The timeout period is
measured in hours
Displays your DDNS status.
* If a key is provided and utilized by your DDNS provider, enter the key in all three fields (username, password, and verify password).
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D-Link DNS-3±1 User Manual
Section 3 - Configuration
Status
Device Information
LAN Info
Displays the local network settings
of the DNS-321.
Device Info
Displays the workgroup, name,
description and current temperature
of the DNS-321.
Hard Drive
Info
Displays the hard drive information,
including the disk mode, total size,
used and remaining drive space.
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