Buffalo LinkStation 420DS User manual

LinkStation 420DS
User Manual
Americas: www.buffaloamericas.com
Europe: www.buffalo-technology.com
35020811-01
2015.02

1
Contents
Chapter 1 Getting Started .............................................5
Diagrams...........................................................................................5
Changing Admin Password and Adding a Shared Folder .............6
Turning the LinkStation On and Off ...............................................7
Chapter 2 Configuration ................................................8
Opening Easy Admin .......................................................................8
Getting Started .......................................................................................... 9
Opening Advanced Settings ........................................................ 10
Chapter 3 Sharing Files ............................................... 12
Adding Shared Folders ................................................................. 12
Adding Users ................................................................................. 13
Adding Groups .............................................................................. 14
Access Restrictions........................................................................ 15
Local Users/Groups..................................................................................15
Active Directory .......................................................................................17
NT Domain ..................................................................................... 19
User Authentication with an External SMB Server..................... 21
Chapter 4 Managing Storage...................................... 24
RAID Arrays.................................................................................... 24
Working with RAID Arrays............................................................ 24
Using JBOD...............................................................................................24

2
Changing RAID Mode ..............................................................................25
RMM (RAID Mode Manager)....................................................................26
RAID Scanning..........................................................................................27
Adding an External Hard Drive .................................................... 28
Connect an External Drive.......................................................................28
Compatibility ...........................................................................................28
Dismounting Drives ...................................................................... 28
Dismounting with the Function Button .................................................28
Dismounting from Settings ....................................................................29
Checking Drives ............................................................................ 30
Formatting Drives ......................................................................... 30
Formatting External Drives.....................................................................32
Erase Data on the LinkStation Completely ................................. 32
Disk Quotas ................................................................................... 33
Quotas for Users.......................................................................................33
Quotas for Groups ...................................................................................34
Hard Drive Replacement .............................................................. 35
Hard Drive Replacement Examples ........................................................35
Chapter 5 Remote Access............................................ 39
WebAccess ..................................................................................... 39
Configuring from a Computer ................................................................39
FTP.................................................................................................. 42
Chapter 6 Backup ........................................................ 44
Back Up from the LinkStation ...................................................... 44
Preparing a Backup Destination.............................................................44

3
Configuring a Backup Job .......................................................................45
Backing Up Your Mac with Time Machine ................................... 47
Copying from a USB Device.......................................................... 50
Chapter 7 Multimedia ................................................. 52
iTunes Server ................................................................................. 52
Connecting a Printer..................................................................... 52
Chapter 8 Advanced Features .................................... 56
Email Notification ......................................................................... 56
Sleep Mode .................................................................................... 57
Encrypting Data Transmission ..................................................... 58
Encrypting Settings Data ........................................................................58
Encrypting FTP Transfer Data .................................................................58
SSL Encryption .........................................................................................58
UPS (Uninterruptible Power Supply)........................................... 58
Restoring Factory Defaults........................................................... 59
Initializing from Settings ........................................................................59
Initializing with the Function Button .....................................................60
Online Update ............................................................................... 60
Name, Date, Time, and Language ................................................ 61
Jumbo Frames ............................................................................... 62
Changing the IP Address .............................................................. 63
Chapter 9 Utilities........................................................ 65
NAS Navigator2 for Windows....................................................... 65

4
Mount as Network Drive..........................................................................67
Changing the IP Address .........................................................................68
NAS Navigator2 for Mac OS.......................................................... 68
Mount as Network Drive..........................................................................69
Changing the IP Address .........................................................................70
Chapter 10 Appendix .................................................. 71
When the Power LED Blinks.......................................................... 71
Default Settings ............................................................................ 73
Specifications ................................................................................ 73
Chapter 11 Regulatory Compliance Information...... 75
For Customers in the United States ............................................. 75
For Customers in Europe .............................................................. 75
For Customers in Korea................................................................. 76

5
Chapter 1 Getting Started
Diagrams
LS420DS
4
5
6
3
1
2
DISK 1 DISK 2
DISK 1
DISK 2
ERROR
DISK 1
DISK 2
ERROR 11
8
13
9
14
7
12 10
1 Power LED
The white power LED will light up while the LinkStation is on.
The white power LED blinks while booting or shutting down.
The red power LED blinks when an error occurs.
If there is a status message, the power LED blinks amber.
If there is a new firmware available, the power LED glows amber.
2 Function LED
This LED glows while the LinkStation is being initialized and while dismounting USB devices.
3 Function Button
Use this button for Direct Copy, dismounting USB devices, and initializing settings.
4 Fan
Do not block the fan.
5 Power Switch
Move the switch up and down to power on and off.
6 USB 2.0 Port
Compatible Buffalo USB hard drives, USB flash drives, digital cameras, USB UPS connection, and USB printers
can be connected. USB hubs are not supported.

6
7 Power Connector
Use the included power cable to connect to a surge protector or outlet.
8 Anti-Theft Security Slot
Use this slot to secure your LinkStation with a cable lock (not included).
9 LAN Port
Connect to a router, hub, or switch on your Ethernet network with the included Ethernet cable.
10 Hook
To secure the power cable, insert it into the slot as shown.
11 Disk 1 Error LED
If there is a hard drive error on drive 1, this LED will light.
12 Disk 2 Error LED
If there is a hard drive error on drive 2, this LED will light.
13 Link and Activity LED
This LED shows network activity. It blinks green when the LinkStation is accessed over the network.
14 Not in use.
Changing Admin Password and Adding a Shared Folder
After initial setup, changing your password and creating other shared folders are recommended.
1 Double-click the icon to start NAS Navigator2.
2 Right-click on your LinkStation's icon and select Settings. On the Mac, select the LinkStation's icon while
holding down the control key, then select Settings.

7
3 Changing the password from the default is recommended.
Note: You can open this same screen by clicking Getting Started from Easy Admin.
4 Enter the new password (twice), then click Next.
Note: The default username and password are "admin" and "password". To keep the defaults, leave both fields
blank and click Next.
5 Configure levels of sharing for all listed shared folders (public or private) to finish the initial setup wizard.
Note: Select "Set as private folder" to restrict access to the folder to specific users.
6 Click OK when the following message is displayed.
Turning the LinkStation On and Off
Move the power switch on the back of the LinkStation to the "on" position to turn it on. To turn it off, move the
switch to the "off" position and wait for the unit to fully shut down before unplugging it. Never unplug the AC
adapter without properly shutting down the LinkStation first.
When all the LEDs on the front of the LinkStation turn off, the shutdown process is complete.

8
Chapter 2 Configuration
Configure and manage your LinkStation using the Settings interface, accessible from a browser window. Open the
interface using the procedure below or type the LinkStation's IP address in the URL field of your browser. Within
Settings, the Easy Admin page gives you quick access to commonly used settings.
Note: Internet Explorer 9, Firefox 18, Google Chrome 24, Safari 5, and later are supported. If you have difficulty
viewing Settings, check the following:
•If there are a large number of registered users, groups, or shared folders, use Firefox 18 or later instead of
Internet Explorer.
•If you have a proxy server enabled in the browser settings, disable the proxy server.
•With Internet Explorer, set security to Local intranet. On Windows Server 2012 or Windows Server 2008,
higher-level security is configured by default. Set the security to a lower level temporarily.
Opening Easy Admin
The Easy Admin page makes it easy to change common settings. Follow the steps below to open Easy Admin.
1 Double-click the icon to start NAS Navigator2.
2 Right-click on your LinkStation's icon and choose Settings. For Mac OS, click your LinkStation's icon while
holding down the control key, then select Settings.

9
3 The Easy Admin screen will open.
Notes:
•If you click any buttons, you will need to enter a username and password.
•If the time-out period is set to "10 minutes", you will be logged out of Settings after 10 minutes of inactivity.
You will also be logged out when you reboot the LinkStation or close the web browser, even if you select
"Unlimited".
•Click Secure Connection to log in with an encrypted connection.
•You can also use Bonjour to log in to Settings from Mac OS. In Safari, click View - Show Bookmarks Bar. From
Bookmarks, click Bonjour - LinkStation name.
Getting Started
The wizard lets you configure the following settings:
•Changing administrator password
•Creating shared folders
•Access restrictions
Refer to "Installation" for more details.