Thecus N2520 series User manual

User’s Manual
N2520/N2560/N4520/N4560 Series
v6.2

ii Copyright and Trademark Notice
Copyright and Trademark Notice

Thecus and other names of Thecus products are registered trademarks of Thecus Technology Corp.
Microsoft, Windows, and the Windows logo are registered trademarks of Microsoft Corporation.
Apple, iTunes and Apple OS X are registered trademarks of Apple Computers, Inc. All other
trademarks and brand names are the property of their respective owners. Specifications are subject
to change without notice.
Copyright © 2013 Thecus Technology Corporation. All rights reserved.
About This Manual

All information in this manual has been carefully verified to ensure its correctness. In case of an error,
please provide us with your feedback. Thecus Technology Corporation reserves the right to modify
the contents of this manual without notice.
Product name: Thecus N2520/N2560/N4520/N4560 Series
Manual Version: 6.2
Release Date: July, 2013
Limited Warranty

Thecus Technology Corporation guarantees all components of Thecus NAS products are thoroughly
tested before they leave the factory and should function normally under general usage. In case of
any system malfunctions, Thecus Technology Corporation and its local representatives and dealers
are responsible for repair without cost to the customer if the product fails within the warranty period
and under normal usage. Thecus Technology Corporation is not responsible for any damage or loss
of data deemed to be caused by its products. It is highly recommended that users conduct neces-
sary back-up practices.
Check the functions that are available on your particular Thecus NAS model at:
http://www.thecus.com.

iiiSafety Warnings
Safety Warnings

For your safety, please read and follow the following safety warnings:
Read this manual thoroughly before attempting to set up your Thecus IP storage.
¾
Your Thecus IP storage is a complicated electronic device. DO NOT attempt to re-Thecus IP storage is a complicated electronic device. DO NOT attempt to re-is a complicated electronic device. DO NOT attempt to re-
¾
pair it under any circ umstances. In the case of malfunction, turn o the power im-
mediately and have it repaired at a qualied service center. Contact your vendor for
details.
DO NOT allow anything to rest on the power cord and DO NOT place the power
¾
cord in an area where it can be stepped on. Carefully place connecting cables to
avoid stepping or tripping on them.
Your Thecus IP storage can operate normally under temperatures between 5°C and
¾
40°C, with relative humidity of 20%– 85%. Using Thecus IP storage under extreme
environmental conditions could damage the unit.
Ensure that the Thecus IP storage is provided with the correct supply voltage (AC
¾
100V ~ 240V, 50/60 Hz, 3A). Plugging the Thecus IP storage to an incorrect power
source could damage the unit.
Do NOT expose Thecus IP storage to dampness, dust, or corrosive liquids.
¾
Do NOT place Thecus IP storage on any uneven surfaces.
¾
DO NOT place Thecus IP storage in direct sunlight or expose it to other heat sourc-Thecus IP storage in direct sunlight or expose it to other heat sourc-in direct sunlight or expose it to other heat sourc-
¾
es.
DO NOT use chemicals or aerosols to clean Thecus IP storage. Unplug the power
¾
cord and all connected cables before cleaning.
DO NOT place any objects on the Thecus IP storage or obstruct its ventilation slots
¾
to avoid overheating the unit.
Keep packaging out of the reach of children.
¾
If disposing of the device, please follow your local regulations for the safe disposal
¾
of electronic products to protect the environment.

iv Table of Contents
Table of Contents

Copyright and Trademark Notice................................................ii
About This Manual.......................................................................ii
Limited Warranty. ........................................................................ii
Safety Warnings...........................................................................iii
§Chapter 1: Introduction.............................................................1
1.1 Overview..........................................................................................1
1.2 Package Contents. ..........................................................................1
1.3 Front Panel ......................................................................................2
1.4 Rear Panel........................................................................................4
§Chapter 2: Hardware Installation. ............................................6
§Chapter 3: System Administration. ..........................................8
3.1 Overview..........................................................................................8
3.2 Web Administration Interface. .......................................................8
3.2.1 My Favorite. ................................................................................................................... 9
3.2.2 Control Panel................................................................................................................. 9
3.2.3 Message Bar................................................................................................................... 10
3.2.4 Logout............................................................................................................................. 10
3.2.5 Online Update Notication. ..................................................................................... 10
3.2.6 Language Selection. ................................................................................................... 11
3.3 System Management. .....................................................................11
3.3.1 General............................................................................................................................ 11
3.3.2 System/Service Status................................................................................................ 12
3.3.3 Hardware Information. .............................................................................................. 12
3.3.4 Logs.................................................................................................................................. 12
3.3.5 Syslog Management................................................................................................... 13
3.3.6 System Monitor. ........................................................................................................... 14
3.3.7 Time: Setting system time . ...................................................................................... 17
3.3.8 Notication conguration. ....................................................................................... 17
3.3.9 Schedule Power On/O............................................................................................. 18
3.3.10 Administrator Password.......................................................................................... 19
3.3.11 Cong Mgmt............................................................................................................... 19
3.3.12 Factory Default........................................................................................................... 19

vTable of Contents
3.3.13 Reboot & Shutdown................................................................................................. 20
3.3.14 File System Check. .................................................................................................... 20
3.3.15 Wake-Up On LAN (WOL)......................................................................................... 22
3.3.16 SNMP Support (N4520/N4560 Only). ................................................................. 22
3.3.17 UI Login Function...................................................................................................... 22
3.3.18 Networking. ................................................................................................................ 23
3.4 Storage Management. ...................................................................24
3.4.1 Disks Information......................................................................................................... 24
3.4.2 RAID Information......................................................................................................... 26
3.4.3 NAS Stacking (N4520/N4560 Only). ...................................................................... 36
3.4.4 ISO Mount (N4520/N4560 Only)............................................................................. 42
3.4.5 iSCSI (N4520/N4560 Only)........................................................................................ 44
3.5 File Sharing/Privilege......................................................................52
3.5.1 ADS Support (N4520/N4560 Only). ....................................................................... 52
3.5.2 Local User Conguration........................................................................................... 53
3.5.3 Local Group Conguration....................................................................................... 55
3.5.4 Batch Users and Groups Creation. ......................................................................... 57
3.5.5 Share Folder................................................................................................................... 58
3.5.6 User Quota..................................................................................................................... 63
3.5.7 User and Group Backup............................................................................................. 64
3.5.8 LDAP Support (N4520/N4560 Only)...................................................................... 64
3.6 Network Service. .............................................................................66
3.6.1 Samba / CIFS. ............................................................................................................... 66
3.6.2 AFP (Apple Network Setup). .................................................................................... 68
3.6.3 NFS Setup (N4520/N4560 Only). ............................................................................ 69
3.6.4 FTP ................................................................................................................................... 69
3.6.5 TFTP (N4520/N4560 Only). ....................................................................................... 70
3.6.6 WebService ................................................................................................................... 70
3.6.7 UPnP. ................................................................................................................................ 71
3.6.8 Bonjour Setting. ........................................................................................................... 71
3.6.9 SSH. .................................................................................................................................. 72
3.6.10 DDNS............................................................................................................................. 72
3.6.11 UPnP Port Management. ........................................................................................ 73
3.7 Application Server. .........................................................................75
3.7.1 iTunes® Server (Built in).............................................................................................. 75
3.7.2 Add-on Ocial Applications.................................................................................... 75

vi Table of Contents
3.7.3 Module Installation. .................................................................................................... 75
3.7.4 NAS Application........................................................................................................... 76
3.8 Backup. ............................................................................................76
3.8.1 Rsync Target Server..................................................................................................... 76
3.8.2 Data Guard (Remote Backup).................................................................................. 77
3.8.3 Data Guard (Local Backup). ...................................................................................... 88
3.8.4 ACL Backup and Restore. .......................................................................................... 102
3.8.5 Data Burn. ...................................................................................................................... 104
3.9 External Devices..............................................................................107
3.9.1 Printers. ........................................................................................................................... 107
3.9.2 Uninterrupted Power Source................................................................................... 112
Appendix A: Customer Support..................................................113
Appendix B: RAID Basics. ............................................................114
Appendix C: Active Directory Basics..........................................117
Appendix D: Licensing Information............................................118

1
Chapter 1: Introduction
Chapter 1: Introduction§
Overview1.1
Thank you for choosing the Thecus IP Storage Server. The Thecus IP storage is an easy-to-use storage
server that allows a dedicated approach to storing and distributing data on a network. Data reliabil-
ity is ensured with RAID features that provide data security and recovery—over multiple Terabyte of
storage are available using RAID 5 and RAID 6. Gigabit Ethernet ports enhance network efficiency, al-
lowing Thecus IP storage to take over file management functions, increase application and data shar-Thecus IP storage to take over file management functions, increase application and data shar-IP storage to take over file management functions, increase application and data shar-IP storage to take over file management functions, increase application and data shar-to take over file management functions, increase application and data shar-
ing and provide faster data response. The Thecus IP storage offers data mobility with a disk roaming
feature that lets you swap working hard drives for use in other Thecus IP storage, securing the con-Thecus IP storage, securing the con-, securing the con-
tinuity of data in the event of hardware failure. The Thecus IP storage allows data consolidation and
sharing between Windows (SMB/CIFS), UNIX/Linux, and Apple OS X environments. The Thecus IP
storage’s user-friendly GUI supports multiple Languages.
Package Contents1.2
N2520/N2560•
The Thecus IP storage should contain the following common items:
System Unit x1

QIG (Quick Installation Guide) x1

CD-Title (Universal CD) x1

Ethernet Cable x1

Accessory bag x1

HDD Compatibility list Card x1

Multiple Language Warranty Card x1

Power adapter x1

Power cord x1

N4520/N4560•
The Thecus IP storage should contain the following common items:
System Unit x1

QIG (Quick Installation Guide) x1

CD-Title (Universal CD) x1

Ethernet Cable x1

Accessory bag x1

HDD Compatibility list Card x1

Multiple Languages Warranty Card x1

Power cord x1

Please check to see if your package is complete. If you find that some items are missing, contact your
dealer.

2Chapter 1: Introduction
Front Panel1.3
N2520/N2560:•
The Thecus N2520/N2560’s front panel shows the device’s indicators and hard disk install slots:
Front Panel
Item Description
1. System status Blinking white: Diagnostic mode kick-in
Solid white: Diagnostic completed
2. HDD1 LED Blinking white: HDD activity
Red: HDD failure
3. HDD2 LED Blinking white: HDD activity
Red: HDD failure
4. LAN LED Solid white: LAN Cable link
Blinking : Network activity
5. USB LED
Solid white: Installed
Blinking white: USB copy activity
Solid Red: USB copy failure
6. USB Copy Button Copies USB storage contents to N2520/N2560.
7. Power Button/LED
Power the N2520/N2560 on/off.
Solid blue: System ready
Blinking blue: Power on process
8. USB Port USB 3.0 port for compatible USB devices, such as digital cameras, USB disks, and USB printers.
9. Thecus Logo LED Solid white: System ready
Blinking white: System booting

3
Chapter 1: Introduction
N4520/N4560:•
The Thecus N4520/N4560 front panel shows the device’s indicators, system information and hard
disk trays:
Front Panel
Item Description
1. Power LED Solid blue: Power on
2. System status Blinking orange: Diagnostic mode kick-in
Solid orange: Diagnostic completed
3. LAN LED Green : Network activity
4. System Failure Red on while diagnostic test failed.
5. USB Port USB 3.0 port for compatible USB devices, such as digital cameras, USB disks, and USB printers.
6. Power Button Powers the N4520/N4560 on/off.
7. Up Button Select the previous configuration settings option.
8. Down Button USB copy confirmation display.
9. Enter Enter the selected menu option, sub-menu, or parameter setting.
10. Escape Escape and return to the previous menu.
11. LCD Display Displays current system status and warning messages.
12. HDD Tray Four HDD trays support 4x 3.5" or 4 x 2.5” HDDs

4Chapter 1: Introduction
Rear Panel1.4
N2520/N2560:•
The N2520/N2560 rear panel features ports and connectors.
Back Panel
Item Description
1. System Fan System fan that exhausts heat from the unit.
2. HDMI For Video/Audio out
3. SPDIF For Audio out
4. LAN Port LAN port for connecting to an Ethernet network through a switch or a router.
5. USB Port USB 2.0 port for compatible USB devices, such as digital cameras, USB disks, and USB printers.
6. Power Connector Connect the included power cords to this connector.
7. Reset Button Resets the N2520/N2560.
Pressing and holding the Reset button on the back for 5 seconds will reset your network
setting and password, and turn off Jumbo Frame Support.

5
Chapter 1: Introduction
N4520/N4560:•
The N4520/N4560 rear panel features ports and connectors.
Back Panel
Item Description
1. System Fan System fan that exhausts heat from the unit.
2. USB Ports USB 2.0 port for compatible USB devices, such as digital cameras, USB disks, and USB printers.
3. LAN Port LAN port for connecting to an Ethernet network through a switch or router
4. Reset Button Resets the N4520/N4560.
Pressing and holding the Reset button on the back for 5 seconds will reset your network
setting and password, and turn off Jumbo Frame Support.
5. HDMI For Video/Audio out
6. SPDIF For Audio out
7. Power Connector Connect the included power cords to this connector.

6Chapter 2: Hardware Installation
Chapter 2: Hardware Installation§
Overview2.1
Your Thecus IP storage is designed for easy installation. To help you get started, the following chapter
will help you quickly get your Thecus IP storage up and running. Please read it carefully to prevent
damaging your unit during installation.
Before You Begin2.2
Before you begin, be sure to take the following precautions:
Read and understand the Safety Warnings outlined in the beginning of the manual.1.
If possible, wear an anti-static wrist strap during installation to prevent static discharge from2.
damaging the sensitive electronic components on the Thecus IP storage.
Be careful not to use magnetized screwdrivers around the Thecus IP storage’s electronic com-Thecus IP storage’s electronic com-’s electronic com-s electronic com-electronic com-3.
ponents.
Cable Connections2.3
To connect the Thecus IP storage product to your network, follow the steps below:
Connect an Ethernet cable from your network to the LAN port on the back panel of the1.
Thecus IP storage.
N2520/N2560 LAN port
SN4520/N4560 LAN port S
Connect the provided power cord into the universal power socket on the back panel. Plug2.
the other end of the cord into a surge protector socket.
N2520/N2560 power socket
SN4520/N4560 power socket S

7
Chapter 2: Hardware Installation
Press the power button on the Front Panel to boot up the Thecus IP storage.3.
N2520/N2560 power button
SN4520/N4560 power button S

8Chapter 3: System Administration
Chapter 3: System Administration§
Overview3.1
The Thecus IP storage provides an easily accessible Web Administration Interface. With it, you can
configure and monitor the Thecus IP storage anywhere on the network.
Web Administration Interface3.2
Make sure your network is connected to the Internet. To access Thecus IP storage Web Administra-Thecus IP storage Web Administra-Web Administra-
tion Interface:
Type the Thecus IP storage IP address into your1.
browser. (Default IP address can be found through
IntelligentNAS utility or LCD panel (N4520/N4560
only))
Login to the system using the administrator user name and password. The factory defaults2.
are:
User Name: admin
Password: admin
Once you are logged in as an administrator, the disclaimer page will appear as below. Please
click the check box if you do not want to have this page displayed during the next login.
Following the disclaimer page, you will see the Web Administration Interface. From here, you
can configure and monitor virtually every aspect of the Thecus IP storage from anywhere on
the network.

9
Chapter 3: System Administration
My Favorite3.2.1
The user interface with “My Favorite”shortcut allows the user to designate often used items and have
them display on the main screen area. The figure below displays system favorite functions.
Administratorscan add or remove favorite functions to My Favorites by right clicking the mouse on
the menu tree.
Control Panel3.2.2
The Control Panel is where you will find all of the information screens and system settings of Thecus
IP storage.
Control Panel
Item Description
System Management Current system status of the Thecus IP storage.
Storage Information and settings for storage devices installed into the Thecus IP storage.
File Sharing / Privilege Allows configuration of users and groups.
Network Service To setup varies protocols which has supported by system
Application Server Application based program for system build-in, additional installed from official or 3rd party.
Backup Category of Backup Features setup of the Thecus IP storage.
External Devices Setting for devices where has installed through external interface such as USB
In the following sections, you will find detailed explanations of each function, and how to configure
your Thecus IP storage.

10 Chapter 3: System Administration
Message Bar3.2.3
You can get quick information about your system status by moving your mouse over these icons.
Message Bar
Item Status Description
RAID Information. Display the status of created RAID volume. Click to go to RAID information page as
short cut.
Disks Information. Display the status of disks installed in the system. Click to go to Disk information
page as short cut.
Network. Green: Connection to the network is normal.
Red: abnormal connection to the network
Logout3.2.4
Click to logout Web Administration Interface.
Online Update Notication3.2.5
When there is a new update for system files or applications, the system will notify you through the
admin UI and also send an email. Click on the flashing icon then the system will link you directly to
the associated page.

11
Chapter 3: System Administration
Language Selection3.2.6
The Thecus IP storage supports multiple Languages, including:
English

Japanese

Traditional Chinese

Simplified Chinese

French

German

Italian

Korean

Spanish

Russian

Polish

Portuguese

On the menu bar, click Language and the selection list ap-selection list ap-list ap-list ap-ap-
pears. This user interface will switch to the selected language for Thecus IP storage.
System Management3.3
Information provides viewing on current Product info, System Status,Service Status and Logs.
The menu bar allows you to see various aspects of the Thecus IP storage. From here, you can discov-Thecus IP storage. From here, you can discov-. From here, you can discov-
er the status of the Thecus IP storage, and also other details.
General3.3.1
Once you login, you will first see the basic system Information screen providing Manufacturer,
Product No., Firmware Version, and System Up Time information.
General
Item Description
Manufacturer Displays the name of the system manufacturer.
Product No. Shows the model number of the system.
Firmware version Shows the current firmware version.
Up time Displays the total run time of the system.

12 Chapter 3: System Administration
System/Service Status3.3.2
From the System Management category,, choose the Status item, System Service Status and HW Sta-tatus item, System Service Status and HW Sta-item, System Service Status and HW Sta-Service Status and HW Sta-and HW Sta-HW Sta-Sta-
tus screens appear. These screens provide basic system and service status information.
Hardware Information3.3.3
From the System Management category,, choose the Hardware Information item and the system will
display the related HW details for the associated model. Below is an example of the information for a
Thecus N2520.
Logs3.3.4
From the System Management category, choose the System Logs item and the System Logs screen
appears. This screen shows a history of system usage and important events such as disk status, net-
work information, and system booting. See the following table for a detailed description of each
item:
See the following table for a detailed description of each item:
System Logs
Item Description
All Provides all log information including system messages, warning messages and er-system messages, warning messages and er-warning messages and er-
ror messages.
INFO Records information about system messages.

13
Chapter 3: System Administration
WARN Shows only warning messages.
ERROR Shows only error messages.
Download All Log File Export all logs to an external file.
Truncate All Log File Clear all log files.
The number of lines per page Specify desired number of lines to display per page.
Sort Ascending Shows logs by date in ascending order.
Sort Descending Shows logs by date in descending order.
|<< < > >>| Use the forward ( > >>| ) and backward ( |<< < ) buttons to browse the log pages.
Re-loading logs.
Syslog Management3.3.5
Generates system log to be stored locally or remotely, it also can be chose to act as syslog server for
all other devices.
These messages are stored on your NAS in: Nsync > log> messages.
Information can be obtained in two ways: locally and remotely.
Conguration with syslog server:•Configuration with syslog client and•
target to store locally:
Conguration with syslog client and target to store remotely:•
See the following table for a detailed description of each item:
Syslog Management
Item Description
Syslog Daemon Enable/Disable syslog daemon.

14 Chapter 3: System Administration
Syslog service
If Server has been selected then associated syslog folder will be used to store all system logs from other
NAS devices which has assigned this system for syslog server as well as syslog of this server unit. It can be
seen from associated syslog folder with files“error”, “Information”and “warning”.
If client has been selected then “Local”or “Remotely”can be choose.
Target
Choose Local,all system logswill be stored in an associated syslog folder filled in from next filed. And
the syslog folder will have file “messages”to store all system logs. If Remotely has been selected, a syslog
server is needed and an IP address is required.
Syslog folder Select from a drop down share list,all of the system logs will be stored on it. This syslog folder is applied to
“syslog server”or “syslog client”with “local” selected.
Log Level The user can choose from 3 different levels. “All”, “Warning/Error” or “Error”.
Remote IP Address Input the syslog server IP address if choose to store syslog info remotely.
System Monitor3.3.6
The system monitor is capable to monitor system status including CPU/memory utilization, network
throughput and on-line user list in various protocols.
To monitor system status, simply click on “System Monitor”from the tree menu and the screen will
appear as below.
It is divided into 4 sections. Each section can be modified to monitor specific items by using the drop
down list from the “Monitors”tab, simply click on the items you would like to monitor. From each
section, you can also choose to display the information graphically by selecting “Graphic” or by plain
text mode by selecting “Details”.
Only 2 sections can be set in graphic mode at the same time.
If graphic mode is chosen, 3 minutes of information is displayed on the x-axis. A resume of the infor-is chosen, 3 minutes of information is displayed on the x-axis. A resume of the infor-chosen, 3 minutes of information is displayed on the x-axis. A resume of the infor-n, 3 minutes of information is displayed on the x-axis. A resume of the infor-, 3 minutes of information is displayed on the x-axis. A resume of the infor-3 minutes of information is displayed on the x-axis. A resume of the infor-. A resume of the infor-A resume of the infor-
mation is displayed by dragging the mouse over the graphic at a specific time. See example below: