Buffalo TeraStation 5020 Manuel utilisateur

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

35022387-03

February 2023

Table of Contents

Chapter 1 Notice .......................................................... 10

Regulatory Compliance Information........................................... 10

Warning Symbols and Graphical Icons on the Product.............. 10

Safety Precautions ........................................................................ 10

Chapter 2 Getting Started .......................................... 12

Diagrams........................................................................................ 12

4-Bay and 8-Bay Desktop Models, 4-Bay Rackmount Model ...............12

12-Bay Rackmount Model .......................................................................15

Turning the TeraStation On and Off............................................. 17

Creating a USB Initialization Drive .............................................. 17

Accessing Settings ........................................................................ 17

Opening Settings .....................................................................................18

Configuring Settings via Setup Wizard ..................................................20

Checking the Device Information from Dashboard ..............................21

Shutting Down or Restarting the TeraStation from Settings ...............22

Chapter 3 File Sharing................................................. 23

Configuring Shared Folders ......................................................... 23

Adding a Shared Folder...........................................................................23

Recycle Bin................................................................................................25

Read-Only Shares.....................................................................................25

Hidden Shares ..........................................................................................26

Configuring Users ......................................................................... 26

Adding a User...........................................................................................26

Importing User Information....................................................................29

Adding a Group ............................................................................. 29

Configuring Access Restrictions .................................................. 32

Restricting Local User Access to Shared Folders ...................................32

Restricting AD Domain User Access to Shared Folders.........................34

Restricting Access to Subfolders ............................................................37

Enhancing Compatibility for macOS Client Access .................... 39

NFS ................................................................................................. 40

Enabling NFS ............................................................................................40

NFS Mount Commands............................................................................45

Offline Files for Windows.............................................................. 45

Chapter 4 RAID Modes and Drive Management ....... 48

Available RAID Modes .................................................................. 48

Working with RAID Arrays............................................................ 49

Using JBOD...............................................................................................49

Creating a RAID Array..............................................................................50

Shutting Down the TeraStation Automatically If an Error Occurs........51

Rebuilding the RAID Array Automatically for the TS51220RH.............53

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

Detected ...................................................................................................55

Configuring a Hot Spare..........................................................................57

Managing a RAID Array Without Deleting Data ....................................59

RAID Scanning..........................................................................................63

Configuring Low Drive Space Alerts............................................ 64

Adding an External Drive ............................................................. 65

Dismounting Drives ...................................................................... 66

Using the Function Button ......................................................................67

Using Settings ..........................................................................................67

Checking Drives ............................................................................ 68

S.M.A.R.T. ....................................................................................... 69

Displaying S.M.A.R.T. Information .........................................................70

Checking the Drive Condition.................................................................71

Formatting Drives ......................................................................... 71

Encrypting Drives.......................................................................... 73

Erasing Data on the TeraStation Completely.............................. 73

Quotas............................................................................................ 74

Limits for Shared Folders ........................................................................74

Limits for LVM Volumes ...........................................................................75

Using the TeraStation as an iSCSI Device .................................... 78

Introduction .............................................................................................78

Creating an iSCSI Volume........................................................................79

Connecting Volumes................................................................................81

Formatting Volumes ................................................................................82

Disconnecting Volumes...........................................................................82

Configuring Access Restrictions .............................................................82

Connecting Access-Restricted Volumes .................................................85

Expanding Volume Sizes .........................................................................86

Deleting Volumes.....................................................................................88

Enabling the iSNS Protocol .....................................................................89

Advanced iSCSI Volume Settings............................................................90

Chapter 5 Backup ........................................................ 91

Snapshots ...................................................................................... 91

Overview ..................................................................................................91

Application for iSCSI Volume Snapshots ...............................................91

Manually Creating a Snapshot................................................................91

Accessing the Snapshots via SMB...........................................................95

Restoring Snapshots................................................................................97

Configuring Schedule Snapshot...........................................................101

Configuring Snapshot Archive Settings...............................................105

Backing Up Data on the TeraStation.......................................... 111

Backup Modes........................................................................................112

Preparing a Backup Destination...........................................................115

Configuring a Backup Job .....................................................................117

If Backing Up from rsync-Compatible Devices to the TeraStation.....122

Restoring Backup Data..........................................................................123

Backup Logs for If Backup Fails ............................................................127

Replication................................................................................... 130

Preparing a Replication Destination ....................................................131

Configuring a Replication Job ..............................................................133

Synchronizing Between Source and Destination TeraStations

Periodically.............................................................................................135

Failover ........................................................................................ 136

Before Configuring Failover..................................................................137

Usage Restrictions .................................................................................138

Configuring Failover..............................................................................139

Changing Settings While Failover Is Configured.................................141

Maintenance Mode ................................................................................141

Synchronizing Between Main and Backup TeraStations Periodically144

Switching to the Backup TeraStation Manually...................................146

Reconfiguring After Failover Occurs ....................................................146

Stopping Failover...................................................................................148

Backing Up Your Mac with Time Machine ................................. 150

Chapter 6 Cloud Services and Remote Access......... 156

Synchronizing with Amazon S3 ................................................. 156

Creating an Amazon S3 Job ..................................................................156

Uploading Files to Amazon S3..............................................................159

Synchronizing with Dropbox ..................................................... 163

Creating a Dropbox Sync Job................................................................163

Changing Job Settings ..........................................................................166

Creating a Shared Link (Windows Only)...............................................169

Using Microsoft Azure for Data Preservation ........................... 169

Creating an Azure Storage Sync Backup Job.......................................169

Creating an Azure Storage Sync Restore Job.......................................177

Changing Job Settings ..........................................................................182

Synchronizing with Microsoft OneDrive................................... 185

Creating a OneDrive Sync Job...............................................................185

Changing Job Settings ..........................................................................196

Corrective Actions for in Case of Error .................................................198

WebAccess ................................................................................... 201

Configuring WebAccess.........................................................................201

Accessing via WebAccess.......................................................................204

Unable to Create a BuffaloNAS.com Name..........................................205

FTP................................................................................................ 206

Enabling FTP ..........................................................................................206

Accessing the TeraStation with an FTP Client......................................207

Chapter 7 Security Enhancement............................. 209

Two-Factor Authentication ........................................................ 209

Enabling Two-Factor Authentication ...................................................209

Restricting Logins for Non-Admin Users..............................................214

Disabling Two-Factor Authentication ..................................................216

Encrypting Data Transmission ................................................... 218

Encrypting Settings Data ......................................................................218

Encrypting FTP Transfer Data ...............................................................219

SSL...........................................................................................................219

Chapter 8 Settings Backup/Restoration .................. 221

Saving and Applying Settings.................................................... 221

Saving Settings ......................................................................................222

Applying Settings ..................................................................................222

Transferring Another Buffalo NAS Device’s Settings ............... 223

Creating a Config File (.nas_config)......................................................224

Transferring Settings.............................................................................224

Restoring Factory Defaults......................................................... 225

Initializing from Settings ......................................................................225

Initializing Using the USB Initialization Drive .....................................226

Resetting the Administrator Password ..................................... 227

Chapter 9 Network Settings ..................................... 229

Wake-on-LAN .............................................................................. 229

Port Trunking............................................................................... 229

SNMP............................................................................................ 232

Proxy Server ................................................................................ 234

Jumbo Frames ............................................................................. 235

Changing the IP Address ............................................................ 236

Mapping IP Address and Hostname .......................................... 238

Chapter 10 Advanced Features ................................ 240

Email Notification ....................................................................... 240

Enabling Email Notification ..................................................................240

Changing Events for Email Reports......................................................241

Sleep Mode .................................................................................. 242

UPS (Uninterruptible Power Supply)......................................... 244

One PSU Device Is Installed...................................................................245

Two PSU Devices Are Installed..............................................................246

Automatic Shutdown If Power Supply Fails.............................. 247

Logs .............................................................................................. 248

Displaying TeraStation’s Logs ...............................................................248

Transferring Logs to the Syslog Server ................................................249

Creating a Shortcut to the Logs in the Shared Folder.........................250

Changing Archive Rules for File Access Logs.......................................251

Updating the Firmware............................................................... 252

Updating Manually Using Settings ......................................................252

Enabling Automatic Update..................................................................253

Configuring Update Notification..........................................................254

Name, Date, Time, and Language .............................................. 255

Beep Alerts .................................................................................. 257

LCD and LEDs............................................................................... 258

Chapter 11 Drive Replacement and Troubleshooting ...

..................................................................................... 260

Replacing a Defective Drive on the TS51220RH ....................... 260

Drive Replacement for a Redundant RAID Array.................................260

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

Drive Replacement for a JBOD..............................................................263

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

Replacing a Defective Drive on Models Other Than the

TS51220RH .................................................................................. 263

Drive Replacement for a Redundant RAID Array (TeraStation Is On) 264

Drive Replacement for a Redundant RAID Array (TeraStation Is Off)267

Drive Replacement for a RAID 0 Array .................................................268

Drive Replacement for a JBOD..............................................................269

Drive Replacement for a Hot Spare ......................................................269

Replacing a Non-Malfunctioning Drive..................................... 270

Re-Inserting Drives ..................................................................... 270

TeraStation Does Not Work Properly......................................... 272

Power LED Keeps Blinking ....................................................................272

Booting the TeraStation in Emergency Mode......................................273

Unable to Access Shared Folders ............................................... 273

Opening the Network Credentials Window .........................................274

Restoring Owner and Permission Settings ..........................................274

Configuring Compatible SMB Protocols ..............................................276

Cleaning the Dustproof Filter .................................................... 277

Chapter 12 Utilities.................................................... 280

NAS Navigator2........................................................................... 280

Windows .................................................................................................280

macOS.....................................................................................................280

NovaBACKUP ............................................................................... 280

Chapter 13 Appendix ................................................ 281

LCD Panel..................................................................................... 281

Modes .....................................................................................................281

Errors.......................................................................................................282

Notices ....................................................................................................283

Information Events ................................................................................284

Default Settings .......................................................................... 286

Specifications .............................................................................. 287

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