Buffalo TeraStation TS5420DN0 Bedienungsanleitung

Network Attached Storage

TeraStation 5020

User Manual

Please make sure to read this manual before using and follow the procedures. If you have any inquiries about

the product, contact the number on the warranty statement or the packing box. Do not discard the included

documents, the warranty statement, or the packing box.

www.buffaloamericas.com

35022387-02

November 2022

Table of Contents

Chapter 1 Notice .............................................................9

Regulatory Compliance Information..............................................9

Warning Symbols and Graphical Icons on the Product.................9

Safety Precautions ...........................................................................9

Chapter 2 Getting Started .......................................... 11

Diagrams........................................................................................ 11

4-Bay and 8-Bay Desktop Models, 4-Bay Rackmount Model ...............11

12-Bay Rackmount Model .......................................................................14

Turning the TeraStation On and Off............................................. 16

Creating a USB Initialization Drive .............................................. 16

Accessing Settings ........................................................................ 16

Opening Settings .....................................................................................17

Configuring Settings via Setup Wizard ..................................................19

Checking the Device Information from Dashboard ..............................20

Shutting Down or Restarting the TeraStation from Settings ...............20

Chapter 3 File Sharing................................................. 22

Configuring Shared Folders ......................................................... 22

Adding a Shared Folder...........................................................................22

Recycle Bin................................................................................................24

Read-Only Shares.....................................................................................24

Hidden Shares ..........................................................................................25

Configuring Users ......................................................................... 25

Adding a User...........................................................................................25

Importing User Information....................................................................28

Adding a Group ............................................................................. 28

Configuring Access Restrictions .................................................. 31

Restricting Local User Access to Shared Folders ...................................31

Restricting AD Domain User Access to Shared Folders.........................33

Restricting Access to Subfolders ............................................................36

Accessing from a macOS Device .................................................. 38

Accessing from an NFS Client....................................................... 39

Offline Files for Windows.............................................................. 44

Chapter 4 RAID Modes and Drive Management ....... 47

Available RAID Modes .................................................................. 47

Working with RAID Arrays............................................................ 48

Using JBOD...............................................................................................48

Creating a RAID Array..............................................................................49

Shutting Down the TeraStation Automatically If an Error Occurs........50

Rebuilding the RAID Array Automatically for the TS51220RH.............52

Configuring Actions for If a Drive Used for the RAID Array Has Not Been

Detected ...................................................................................................53

Configuring a Hot Spare..........................................................................56

Expanding RAID Capacity Without Deleting Data ................................57

RAID Scanning..........................................................................................61

Configuring Low Drive Space Alerts............................................ 62

Adding an External Drive ............................................................. 63

Dismounting Drives ...................................................................... 64

Using the Function Button ......................................................................64

Using Settings ..........................................................................................65

Checking Drives ............................................................................ 65

S.M.A.R.T. ....................................................................................... 67

Displaying S.M.A.R.T. Information .........................................................67

Checking the Drive Condition.................................................................68

Formatting Drives ......................................................................... 68

Encrypting Drives.......................................................................... 70

Erasing Data on the TeraStation Completely.............................. 70

Quotas............................................................................................ 71

Limits for Shared Folders ........................................................................71

Limits for LVM Volumes ...........................................................................72

Using the TeraStation as an iSCSI Device .................................... 74

Introduction .............................................................................................74

Creating an iSCSI Volume........................................................................75

Connecting or Disconnecting Volumes..................................................77

Using with Multiple Computers..............................................................78

Configuring Access Restrictions .............................................................78

Expanding Volume Sizes .........................................................................82

Deleting Volumes.....................................................................................83

Enabling the iSNS Protocol .....................................................................84

Advanced iSCSI Volume Settings............................................................85

Chapter 5 Backup ........................................................ 87

Using Snapshots............................................................................ 87

Overview ..................................................................................................87

Application for iSCSI Volume Snapshots ...............................................87

Manually Creating a Snapshot................................................................87

Accessing the Snapshots via SMB...........................................................91

Restoring Snapshots................................................................................93

Configuring Schedule Snapshot.............................................................97

Configuring Snapshot Archive Settings...............................................101

Backing Up Data on the TeraStation.......................................... 106

Backup Modes........................................................................................107

Preparing a Backup Destination...........................................................110

Configuring a Backup Job .....................................................................112

If Backing Up from rsync-Compatible Devices to the TeraStation.....117

Restoring Backup Data..........................................................................117

Backup Logs for If Backup Fails ............................................................121

Replication................................................................................... 124

Preparing a Replication Destination ....................................................125

Configuring a Replication Job ..............................................................127

Synchronizing Between Source and Destination TeraStations

Periodically.............................................................................................130

Failover ........................................................................................ 131

Before Configuring Failover..................................................................131

Usage Restrictions .................................................................................132

Configuring Failover..............................................................................133

Changing Settings While Failover Is Configured.................................135

Maintenance Mode ................................................................................135

Synchronizing Between Main and Backup TeraStations Periodically138

Switching to the Backup TeraStation Manually...................................139

Reconfiguring After Failover Occurs ....................................................140

Stopping Failover...................................................................................142

Backing Up Your Mac with Time Machine ................................. 144

Chapter 6 Cloud Services and Remote Access......... 150

Synchronizing with Amazon S3 ................................................. 150

Creating an Amazon S3 Job ..................................................................150

Uploading Files to Amazon S3..............................................................153

Synchronizing with Dropbox ..................................................... 156

Creating a Dropbox Sync Job................................................................157

Changing Job Settings ..........................................................................159

Creating a Shared Link (Windows Only)...............................................162

Using Microsoft Azure for Data Preservation ........................... 162

Creating an Azure Storage Sync Backup Job.......................................162

Creating an Azure Storage Sync Restore Job.......................................170

Changing Job Settings ..........................................................................175

Synchronizing with Microsoft OneDrive................................... 177

Creating a OneDrive Sync Job...............................................................177

Changing Job Settings ..........................................................................188

Corrective Actions for in Case of Error .................................................190

WebAccess ................................................................................... 193

Configuring WebAccess.........................................................................193

Accessing via WebAccess.......................................................................196

Unable to Create a BuffaloNAS.com Name..........................................197

FTP................................................................................................ 198

Chapter 7 Security Enhancement............................. 201

Two-Factor Authentication ........................................................ 201

Enabling Two-Factor Authentication ...................................................201

Restricting Logins for Non-Admin Users..............................................207

Disabling Two-Factor Authentication ..................................................208

Encrypting Data Transmission ................................................... 210

Encrypting Settings Data ......................................................................210

Encrypting FTP Transfer Data ...............................................................211

SSL...........................................................................................................211

Chapter 8 Settings Backup/Restoration .................. 213

Saving and Applying Settings.................................................... 213

Saving Settings ......................................................................................214

Applying Settings ..................................................................................214

Transferring Another Buffalo NAS Device’s Settings ............... 215

Creating a Config File (.nas_config)......................................................216

Transferring Settings.............................................................................216

Restoring Factory Defaults......................................................... 217

Initializing from Settings ......................................................................217

Initializing Using the USB Initialization Drive .....................................218

Resetting the Administrator Password ..................................... 219

Chapter 9 Network Settings ..................................... 220

Wake-on-LAN .............................................................................. 220

Port Trunking............................................................................... 220

SNMP............................................................................................ 224

Proxy Server ................................................................................ 226

Jumbo Frames ............................................................................. 227

Changing the IP Address ............................................................ 228

Mapping IP Address and Hostname .......................................... 229

Chapter 10 Advanced Features ................................ 232

Email Notification ....................................................................... 232

Sleep Mode .................................................................................. 234

UPS (Uninterruptible Power Supply)......................................... 236

One PSU Device Is Installed...................................................................237

Two PSU Devices Are Installed..............................................................238

Automatic Shutdown If Power Supply Fails.............................. 240

Logs .............................................................................................. 241

Displaying TeraStation’s Logs ...............................................................241

Transferring Logs to the Syslog Server ................................................242

Creating a Shortcut to the Logs in the Shared Folder.........................243

Changing Archive Rules for File Access Logs.......................................244

Updating the Firmware............................................................... 246

Updating Manually Using Settings ......................................................246

Enabling Automatic Update..................................................................247

Configuring Update Notification..........................................................248

Name, Date, Time, and Language .............................................. 249

Beep Alerts .................................................................................. 251

LCD and LEDs............................................................................... 252

Chapter 11 Drive Replacement and Troubleshooting ...

..................................................................................... 254

Replacing a Defective Drive on the TS51220RH ....................... 254

Drive Replacement for a Redundant RAID Array.................................254

Drive Replacement for a RAID 0 Array .................................................256

Drive Replacement for a JBOD..............................................................257

Drive Replacement for a Hot Spare ......................................................257

Replacing a Defective Drive on Models Other Than the

TS51220RH .................................................................................. 257

Drive Replacement for a Redundant RAID Array or JBOD (TeraStation Is

On)...........................................................................................................258

Drive Replacement for a Redundant RAID Array or JBOD (TeraStation Is

Off)..........................................................................................................262

Drive Replacement for a RAID 0 Array .................................................262

Drive Replacement for a Hot Spare ......................................................263

Replacing a Non-Malfunctioning Drive..................................... 264

Re-Inserting Drives ..................................................................... 264

TeraStation Does Not Work Properly......................................... 265

Power LED Keeps Blinking ....................................................................265

Booting the TeraStation in Emergency Mode......................................267

Unable to Access Shared Folders ............................................... 267

Opening the Network Credentials Window .........................................267

Restoring Owner and Permission Settings ..........................................268

Configuring Compatible SMB Protocols ..............................................270

Cleaning the Dustproof Filter .................................................... 270

Chapter 12 Utilities.................................................... 273

NAS Navigator2........................................................................... 273

Windows .................................................................................................273

macOS.....................................................................................................273

NovaBACKUP ............................................................................... 273

Chapter 13 Appendix ................................................ 274

LCD Panel..................................................................................... 274

Modes .....................................................................................................274

Errors.......................................................................................................275

Notices ....................................................................................................276

Information Events ................................................................................277

Default Settings .......................................................................... 279

Specifications .............................................................................. 280

Chapter 1 Notice

Regulatory Compliance Information

For Customers in the United States

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this

device may not cause harmful interference, and (2) this device must accept any interference received, including

interference that may cause undesired operation.

This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part

15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when

the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio

frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful

interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful

interference in which case the user will be required to correct the interference at his own expense.

Warning Symbols and Graphical Icons on the Product

Warning symbols are used on the product for safety operation and prevention of injury to you and damage to the

unit. The following explains the meanings of symbols used on the product.

This symbol indicates important warnings or cautions for operation and maintenance.

Additional information will follow this symbol.

This symbol indicates the presence of an alternating current.

This symbol indicates that the equipment may carry risk of electric shock.

This symbol indicates danger of hazardous high voltage.

This symbol indicates a protective earthing terminal.

This symbol indicates that the protective conductor should be connected first to the protective

earthing terminal.

This symbol indicates that the rack-mounted equipment should not be used for a shelf or a work

space.

Safety Precautions

Before using your device, basic safety instructions should always be followed.

(1) Read these instructions.

(2) Keep these instructions.

(3) Heed all warnings and follow all instructions.

Chapter 1 Notice

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