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Product Specifications, 13.1 Feature Tables

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CHAPTER 13 Product Specifications See also the Getting to Know Your NSA chapter for a general overview of the key features. 13.1 Feature Tables These are the main external physical features. Table 109 Physical Features 2 USB Ports Expand storage capacity by attaching compatible USB (version 2) hard drives to the USB ports. 2 Gigabit Ethernet Ports The 10/100/1000 Mbps auto-negotiating Ethernet ports allow the NSA to detect the speed of incoming transmissions and adjust appropriately without manual intervention. They allow data transfers of either 100 Mbps or 1000 Mbps in either half-duplex or full-duplex mode depending on your Ethernet network. Use 8-wire Ethernet cables for Gigabit connections. The ports are also auto-crossover (MDI/MDI-X) meaning it automatically adjusts to either a crossover or straight-through Ethernet cable. SATA Interface Serial ATA is an interface technology that allows high speed data transfer. Serial ATA also allows more efficient internal airflow and also smaller chassis design. Hot Swappable Hard Drives You can remove and install hard drives while the NSA is operating. Buzzer Audible alarm buzzer triggered by logs of a user-specified severity level. Reset Button Use the reset button to reset the NSA (user name to "admin", default password to "1234", default IP address to 192.168.1.3 with subnet mask of 255.255.255.0) or restore the factory default configuration file (all configurations, including shares, users, passwords and so on are returned to the original configurations). These are some of the main firmware features of the NSA. Table 110 Firmware Features Hard Drive Arrays RAID 0 with 2,3, or 4 hard drives. RAID 1 with 2 hard drives RAID 5 with 3 or 4 hard drives RAID 10 (1+0) with 4 hard drives JBOD with 1,2,3, or 4 hard drives Backup Create separate archive backups or synchronize a copy. Snapshot A snapshot is a backup of your NSA data on the NSA. If files within a volume become infected or corrupted, you can revert the volume back to a previous snapshot. It's a good idea to create a snapshot before backing up data, to be sure you're backing up consistent data even if the backup is still running several hours later. NSA-2401 User's Guide 257

Section	Page
User’s Guide	1
About This User's Guide	3
Document Conventions	4
Safety Warnings	6
Contents Overview	9
Table of Contents	11
List of Figures	17
List of Tables	25
Introduction and Tutorials	29
Getting to Know Your NSA	31
1.1 NSA-2401 Overview	31
1.1.1 Front Panel LEDs	32
1.1.2 Power Button	33
1.1.3 COPY Button	33
Introducing the Web Configurator	35
2.1 Web Configurator Overview	35
2.2 Accessing the NSA Web Configurator	35
2.2.1 Access the NSA Using the NDU	35
2.2.2 Web Browser Access	36
2.3 Login	36
2.4 User-level Screens Overview	37
2.5 My NSA Screen	38
2.5.1 My NSA Share Browsing Screen	40
2.5.2 My NSA Share Browsing Move to or Copy to Screen	42
2.5.3 My NSA Share Configuration	42
2.5.4 My NSA Change Share Properties Screen	43
2.5.5 Share and Folder Names	45
2.5.6 Share Paths	46
2.5.7 Password Screen	46
2.6 Administration Screens	47
2.6.1 Global Administration Icons	48
2.6.2 Navigation Panel	49
2.6.3 Main Window	51
2.6.4 Status Messages	51
2.6.5 Common Screen Icons	51
2.7 NSA RESET Button	52
2.7.1 Reset	52
2.7.2 Reload Factory Default Configuration File	52
Tutorials	55
3.1 Overview	55
3.2 How to Configure Sharing	55
3.2.1 Setting Up User Accounts	55
3.2.2 Setting Up Groups	58
3.2.3 Setting Up Shares	59
3.3 How to Use Shares	61
3.3.1 Using a Share with Windows Explorer	61
3.3.2 Using a Share with a Web Browser	62
3.4 How to Find the NSA in OS X	65
3.5 How to Configure Security	68
3.5.1 Configuring Security for Web Configurator Sessions	68
3.5.2 Using FTPES to Connect to the NSA	81
3.5.3 Controlling Access to Shares, Folders, and Files	83
3.6 Power Resume	89
3.7 How to Use Backups and Snapshots	89
3.7.1 Creating a Snapshot Job	90
3.7.2 Configuring Snapshot Image Access	91
3.7.3 Using a Snapshot Image to Restore Files	91
3.7.4 Creating a Synchronization Backup	92
3.7.5 Creating an Archive Backup	96
3.7.6 Restoring Archived Files by Backup Job	99
3.7.7 Restoring by Backup Files	102
3.8 Printer Server Tutorial	104
3.9 How to Increase the NSA’s Storage Capacity	106
3.9.1 Connecting External USB Hard Drives	107
3.9.2 Adding an Internal Hard Drive to an Existing Disk Array	107
3.9.3 Using a Disk Array’s Increased Capacity	109
3.9.4 Migrating a RAID to Higher Capacity Hard Drives	110
Web Configurator	115
Status Screen	117
4.1 Status Screen	117
System Setting Screen	121
5.1 Date/Time	121
5.1.1 Time Lag	122
Storage Screens	125
6.1 Storage Screens Overview	125
6.1.1 What You Can Do in the Storage Screens	125
6.1.2 What You Need to Know About Storage	125
6.2 Internal Storage Status Screen	127
6.3 Disk	128
6.3.1 Internal Disks Screen	128
6.3.2 S.M.A.R.T Screen	129
6.4 Arrays	132
6.4.1 RAID Levels	132
6.4.2 Array Status	134
6.5 RAID Screen	135
6.5.1 Creating a New RAID	138
6.6 Internal Volume Screen	139
6.6.1 Creating or Editing an Internal Volume	142
6.6.2 USB Key Creation	143
6.7 External Storage Disk Screen	145
6.8 External Volume Screen	147
6.8.1 Creating or Editing an External Volume	149
6.9 Technical Reference	151
6.9.1 Storage Terminology	151
6.9.2 JBOD	152
6.9.3 RAID 0	153
6.9.4 RAID 1	153
6.9.5 RAID 10	154
6.9.6 RAID 5	155
6.9.7 Hot-spare	155
6.9.8 RAID and Data Protection	156
6.9.9 S.M.A.R.T Attributes	156
Network Screens	159
7.1 Network Screens Overview	159
7.1.1 What You Can Do in the Network Screens	159
7.1.2 What You Need to Know About the Network Screens	159
7.2 TCP/IP Screen	160
7.2.1 Configuring the TCP/IP Screen	162
7.3 Windows/CIFS	164
7.3.1 Windows/CIFS Screen	166
7.4 NFS Screen	168
7.4.1 Add or Edit NFS Share Screen	169
7.4.2 NFS Session Screen	170
Sharing Screens	173
8.1 Overview	173
8.1.1 What You Can Do In The Sharing Screens	173
8.1.2 What You Need to Know About The Sharing Screens	173
8.2 Users	175
8.2.1 Create a New Account & Change Account Properties	178
8.2.2 View User Information	181
8.3 Groups	182
8.3.1 Add a New Local Group & Change Group Properties	184
8.4 Shares	186
8.4.1 Create a New Share & Edit a Share	188
8.4.2 ACL Configuration	190
8.4.3 Recycle Bin	194
8.4.4 DFS	194
Protect Screens	197
9.1 Protection Methods Overview	197
9.1.1 What You Can Do in the Protect Screens	198
9.1.2 What You Need to Know About Protection Methods	198
9.2 NSA Backup Screens	200
9.2.1 Backup Summary	200
9.2.2 Creating a Backup Job	202
9.2.3 Editing a Backup Job	208
9.2.4 Restoring by Backup Job	209
9.3 Restoring by Backup Files	212
9.3.1 Protect > Restore: Step 2	213
9.3.2 Protect > Restore: Step 3	214
9.3.3 Protect > Restore: Step 4	215
9.4 Snapshots	215
9.4.1 Creating/Editing Snapshots	218
9.4.2 Snapshot Images	219
9.5 Backup Software Screen	220
Application Screens	223
10.1 Overview	223
10.1.1 What You Can Do In The Application Screens	223
10.1.2 What You Need to Know About The Application Screens	223
10.2 FTP	224
10.3 Print Server	226
10.3.1 Print Server Rename	226
10.4 Copy Button	227
10.4.1 Changing the Copy Button Share	227
Maintenance Screens	229
11.1 Overview	229
11.1.1 What You Can Do In The Maintenance Screens	229
11.1.2 What You Need to Know About The Maintenance Screens	229
11.2 Log	230
11.2.1 Search	232
11.2.2 Log Records Configuration	232
11.2.3 Log Buzzer Priority Configuration	233
11.2.4 Report Configuration	233
11.2.5 Export Log	236
11.3 Configuration	237
11.3.1 Restoring the Configuration File	238
11.4 SSL	239
11.5 Firmware Upgrade	241
11.6 Power Management	242
11.6.1 Power Control Schedule	244
11.7 Shutdown	245
Troubleshooting and Specifications	247
Troubleshooting	249
12.1 Troubleshooting Overview	249
12.2 Power, Hardware Connections, and LEDs	249
12.3 NSA Login and Access	251
12.4 Users Cannot Access the NSA	253
12.5 Backups and Snapshots	254
12.6 External USB Disks	255
Product Specifications	257
13.1 Feature Tables	257
13.2 Specification Tables	259
13.3 Power Consumption	261
Appendices and Index	263
Log Messages	265
Setting Up Your Computer’s IP Address	275
Importing Certificates	299
Open Source Licences	323
Legal Information	353

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NSA-2401 User’s Guide

257

HAPTER

Product Specifications

See also the Getting to Know Your NSA chapter for a general overview of the key features.

13.1

Feature Tables

These are the main external physical features.

These are some of the main firmware features of the NSA.

Table 109

Physical Features

2 USB Ports

Expand storage capacity by attaching compatible USB (version 2)

hard drives to the USB ports.

2 Gigabit Ethernet Ports

The 10/100/1000 Mbps auto-negotiating Ethernet ports allow the

NSA to detect the speed of incoming transmissions and adjust

appropriately without manual intervention. They allow data transfers

of either 100 Mbps or 1000 Mbps in either half-duplex or full-duplex

mode depending on your Ethernet network. Use 8-wire Ethernet

cables for Gigabit connections. The ports are also auto-crossover

(MDI/MDI-X) meaning it automatically adjusts to either a crossover or

straight-through Ethernet cable.

SATA Interface

Serial ATA is an interface technology that allows high speed data

transfer. Serial ATA also allows more efficient internal airflow and

also smaller chassis design.

Hot Swappable Hard Drives

You can remove and install hard drives while the NSA is operating.

Buzzer

Audible alarm buzzer triggered by logs of a user-specified severity

level.

Reset Button

Use the reset button to reset the NSA (user name to “admin”, default

password to “1234”, default IP address to 192.168.1.3 with subnet

mask of 255.255.255.0) or restore the factory default configuration

file (all

configurations, including shares, users, passwords and so on

are returned to the original configurations).

Table 110

Firmware Features

Hard Drive Arrays

RAID 0 with 2,3, or 4 hard drives.

RAID 1 with 2 hard drives

RAID 5 with 3 or 4 hard drives

RAID 10 (1+0) with 4 hard drives

JBOD with 1,2,3, or 4 hard drives

Backup

Create separate archive backups or synchronize a copy.

Snapshot

A snapshot is a backup of your NSA data on the NSA. If files within a

volume become infected or corrupted, you can revert the volume back

to a previous snapshot. It’s a good idea to create a snapshot before

backing up data, to be sure you’re backing up consistent data even if

the backup is still running several hours later.