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Buffalo TeraStation WSS 5020N6 User Manual

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Network Attached Storage
TeraStation WSS 5020N6
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 this manual, the
warranty statement, or the packing box.
Americas: www.buffaloamericas.com
Europe: www.buffalo-technology.com
Asia Pacific: www.buffalo-asia.com
35021477-03
March 2020

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Summary of Contents for Buffalo TeraStation WSS 5020N6

  • Page 1 Network Attached Storage TeraStation WSS 5020N6 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 this manual, the warranty statement, or the packing box.

  • Page 2: Notice

    Notice Notice Regulatory Compliance Information For Customers in the United States 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.

  • Page 3: Warning Symbols And Graphical Icons On The Product Label

    Notice (4) Only use the cables and accessories that are included in the package. Don’t use other accessories or cables unless specifically instructed to in the documentation. Also, do not use USB cables that are 3 meters or longer to connect USB devices.

  • Page 4: Table Of Contents

    Turning the TeraStation On and Off..........22 Installing Antivirus Software ............22 Chapter 2 Preinstalled Software ........ 23 RAID Builder .................. 23 Buffalo Dashboard ................ 24 Email Notification ................. 25 Buffalo Replication ............... 26 TeraStation Backup & Replication Folder Settings ..... 27...
  • Page 5 Backing Up in Windows Storage Server ........39 Preparing a Backup Destination .............39 Recovering Backup Data .................44 Configuring Replication ............... 48 Differences Between Buffalo Replication and DFS Replication ...48 Before Using Replication .................49 Buffalo Replication ..................49 DFS Replication ..................52 Chapter 5 Additional Settings ........78 Changing Server Name, Workgroups, and Domains ....
  • Page 6 Adding a Group ................87 Enabling Email Notification ............90 Configuring Email Server ................90 Specifying TeraStation Reports ..............92 Specifying Windows Event Logs .............94 Changing Front Panel Settings ............ 95 Acquiring Windows Event Logs ............ 96 Configuring NIC Teaming ............. 96 Enabling Wake-on-LAN ..............
  • Page 7 Unable to Access the Shared Folder or the System Becomes Unstable ..................117 Ethernet Port Number Is Not Correct on Windows Storage Server ...................... 117 Buffalo Dashboard and Windows Disk Management Display Different Information ..............118 Preinstalled Software Does Not Work ........118 TeraStation Does Not Boot ............118 Notice Before Recovery .................118...

  • Page 8: Chapter 1 Getting Started

    Chapter 1 Getting Started Chapter 1 Getting Started Diagrams WS5220DN6 2 3 4 5 6 7 16 17 18 WS5420DN6 2 3 4 5 6 7...
  • Page 9 Chapter 1 Getting Started WS5420RN6 3 4 5 6 7 13 15 23 16 17 18 Power Button To power on, connect the power cable and wait for 10 seconds, then press the power button. To power off, press the power button. Power LED When the TeraStation is on, the LED glows green.
  • Page 10 You can connect a VGA monitor to this port. Connecting a monitor directly to the TeraStation is only supported for monitoring the progress of Windows Update. USB Port Compatible Buffalo USB drives, USB memory devices, and USB UPS connections can be connected. USB hubs are not compatible. LAN Port 1 (1GbE) Connect an Ethernet cable to use this port for your network.

  • Page 11: Opening Windows Storage Server

    Chapter 1 Getting Started Opening Windows Storage Server To connect Windows Storage Server, follow the procedure below. Note: If using macOS, download and install “Microsoft Remote Desktop” from the Mac App Store. Double-click the NAS Navigator2 icon (   ) to start NAS Navigator2. Right-click your TeraStation’s icon and select Open Remote Desktop.
  • Page 12 Chapter 1 Getting Started Click Time & language. Click Region & language from the left-side menu.
  • Page 13 Chapter 1 Getting Started Click Add a language under “Languages”.
  • Page 14 Chapter 1 Getting Started Enter the name of the desired language and click the displayed result. If the language has regional varieties, multiple countries and regions may be displayed. In such a case, click the most preferable one.

  • Page 15: Configuring Date And Time

    Chapter 1 Getting Started Select the desired language from the list, then click Set as default. Sign out, then reconnect to Windows Storage Server via remote desktop. The display language will be changed. Configuring Date and Time Open Server Manager on Windows Storage Server.
  • Page 16 Chapter 1 Getting Started From the left-side menu, click Local Server. Click the time zone. From the Date and Time tab, click Change date and time. Configure the current date and time, then click OK. Note: To obtain the date and time automatically, click the Internet Time tab, then click Change settings and select Synchronize with an Internet time server.

  • Page 17: Creating A Shared Folder

    Chapter 1 Getting Started Creating a Shared Folder No shared folders are configured by default. Before using the TeraStation, follow the procedure below to create one or more shared folders. The procedure below is an example to create a shared folder named “Share” that anyone can access on drive D. Open Server Manager on Windows Storage Server.
  • Page 18 Chapter 1 Getting Started Right-click Shares and click New Share. Click Next. Enter the path of a folder into the folder path field, then click Next. Notes: • Enter “D:\Share” into the folder path to create a shared folder for the first time. •...
  • Page 19 Chapter 1 Getting Started Enter a name for the share and a description (optional), then click Next. Select “Customize permissions”, then click Custom.
  • Page 20 Chapter 1 Getting Started Click Everyone and select the “Allow” checkbox for “Change”.
  • Page 21 Chapter 1 Getting Started From the Security tab, click Edit > Add. Enter “Everyone” under “Enter the object names to select”, then click OK.

  • Page 22: Changing The Ip Address

    Chapter 1 Getting Started Choose “Everyone”, then select the “Allow” checkbox for Modify. Click OK > OK > Finish > Finish. Notes: Enable a guest account: (1) From Server Manager, click Tools > Computer Management. (2) Click Local Users and Groups. (3) Double-click Users >...

  • Page 23: Turning The Terastation On And Off

    Chapter 1 Getting Started Click the Start button and click Control Panel. Under “Network and Internet”, click View network status and tasks. Click Ethernet to the right of “Connections”. Click Properties. Double-click Internet Protocol and enter the desired network addresses, then click OK. Turning the TeraStation On and Off Press the power button on the TeraStation to turn it on and off.

  • Page 24: Chapter 2 Preinstalled Software

    Chapter 2 Preinstalled Software Chapter 2 Preinstalled Software The following software is preinstalled on the TeraStation. • RAID Builder • Buffalo Dashboard • Email Notification • Buffalo Replication • TeraStation Backup & Replication Folder Settings • Display Settings RAID Builder RAID Builder is used to create RAID volumes.

  • Page 25: Buffalo Dashboard

    Chapter 2 Preinstalled Software Buffalo Dashboard Buffalo Dashboard displays system information and can be used to dismount drives. To launch it, double-click the Buffalo Dashboard icon (   ) from the system tray. Note: This software cannot be accessed by multiple users at the same time. Before launching it, make sure that it is not being used by another user.

  • Page 26: Email Notification

    Chapter 2 Preinstalled Software Items Descriptions Temperature Displays the temperature of the system. Displays the fan RPM. Backup Displays the status of backup and replication. Displays IP addresses, subnet masks, default gateways, LAN port Network numbers, link speed, and status. I'm here Causes your TeraStation to beep.

  • Page 27: Buffalo Replication

    Replication” section in chapter 4 for more details. To launch Buffalo Replication, you must be logged in as a member of the Administrators group in Windows Storage Server. Note: This software cannot be accessed by multiple users at the same time. Before launching it, make sure that it is...

  • Page 28: Terastation Backup & Replication Folder Settings

    Chapter 2 Preinstalled Software TeraStation Backup & Replication Folder Settings Before using the TeraStation as a backup device on the network, configure it with the required settings using TeraStation Backup & Replication Folder Settings. To launch TeraStation Backup & Replication Folder Settings, you must be logged in as a member of the Administrators group in Windows Storage Server.

  • Page 29: Display Settings

    Buffalo device unless it’s entered. To remove a folder from the list of available backup targets, select the folder and click this button.

  • Page 30: Chapter 3 Storage Management

    Chapter 3 Storage Management Chapter 3 Storage Management Working with Volumes Notice When Creating Volumes • To create a volume, use RAID Builder instead of the Disk Management option in Windows Storage Server. • When volumes are deleted, formatted, or changed to another volume type, all data stored on the volumes is erased.

  • Page 31: Deleting A Volume

    Chapter 3 Storage Management Deleting a Volume Before changing a volume, the previous volume must be deleted. Follow the procedure below to delete the volume. Note: If a volume shows the status “Failed”, two or more drives have been corrupted. In such a case, data on the volume can no longer be recovered.

  • Page 32: Creating A Volume

    Chapter 3 Storage Management Right-click the volume to delete and select Delete Volume. Read the warning message carefully about the data that will be erased and click Yes. Creating a Volume To create a volume, follow the procedure below. Successfully following the procedure will erase all data stored on the volumes.

  • Page 33: Formatting A Volume

    Chapter 3 Storage Management Select “Create volume” from the drop-down list and select the volume type under “Volume Type”. Select the checkboxes of the drives that will be used to create a volume. If creating a RAID 5 volume, at least three drives are required.
  • Page 34 Chapter 3 Storage Management Click Tools > Computer Management. Click Disk Management.

  • Page 35: Enabling Data Deduplication For Standard Edition Models

    Chapter 3 Storage Management Right-click the volume that you want to format and select Format. Enabling Data Deduplication for Standard Edition Models Installing Deduplication Role Open Server Manager on Windows Storage Server. From the left-side menu, click Dashboard, then click Add roles and features. Click Next.
  • Page 36 Chapter 3 Storage Management Select “Role-based or feature-based installation”. Click Next, then click Next again. Select “Data Deduplication” under “File and Storage Services” > “File and iSCSI Services”.
  • Page 37 Chapter 3 Storage Management Click Next twice, then click Install. Click Close to finish. Configuring Data Deduplication Open Server Manager on Windows Storage Server. Click File and Storage Services.
  • Page 38 Chapter 3 Storage Management Click Volumes. Right-click the drive which will be used to configure data duplication and click Configure Data Deduplication.
  • Page 39 Chapter 3 Storage Management Select “General purpose file server” to the right of “Data deduplication” and click OK.

  • Page 40: Chapter 4 Backup And Replication

    Data stored in the TeraStation may be lost through drive failure or improper operation. To avoid losing data accidentally, back up your data regularly. You can back up data using the following functions: • Windows Server Backup • Buffalo Replication • DFS Replication Backing Up in Windows Storage Server Preparing a Backup Destination Follow the procedure below to set your backup schedule.
  • Page 41 Chapter 4 Backup and Replication Click Local Backup. If “Reading data; please wait... ” is displayed, please wait until the message disappears. Right-click on “Local Backup” and select Backup Schedule. The “Backup Schedule Wizard” will start. Click Next.
  • Page 42 Chapter 4 Backup and Replication Select “Custom” and click Next. Click Add Items.
  • Page 43 Chapter 4 Backup and Replication Select the backup source folders or drives and click OK. Click Next.
  • Page 44 Chapter 4 Backup and Replication Specify the schedule for backup and click Next.

  • Page 45: Recovering Backup Data

    Chapter 4 Backup and Replication Select the backup destination and click Next. Step through the wizard to finish. Recovering Backup Data Follow the procedure below to recover the backup data to the TeraStation. Open Server Manager on Windows Storage Server.
  • Page 46 Chapter 4 Backup and Replication Click Tools > Windows Server Backup. The “Windows Server Backup” wizard will start. Click Local Backup. If “Reading data; please wait... ” is displayed, please wait until any messages disappear.
  • Page 47 Chapter 4 Backup and Replication Right-click on “Local Backup” and click Recover. The recovery wizard will start. Select where the backup data is saved and click Next. When “A backup stored on another location” is selected, specify the folder of the backup data in the next page.
  • Page 48 Chapter 4 Backup and Replication Select the date when a data backup occurred and click Next.

  • Page 49: Configuring Replication

    Differences Between Buffalo Replication and DFS Replication Buffalo Replication • Unidirectional replication (from the TeraStation to another device) • Another Buffalo NAS devices can easily be configured as the replication destination. DFS Replication • Bidirectional replication • The Active Directory domain environment is required and the TeraStation should be joined to the domain.

  • Page 50: Before Using Replication

    Chapter 4 Backup and Replication If your network environment requires joining an Active Directory domain, use DFS replication. If joining the Active Directory is not required, or if a Buffalo NAS device has been configured as the replication destination, using Buffalo replication is recommended.
  • Page 51 Chapter 4 Backup and Replication Click the blank space under “Replication Source Folder”, click , and select a folder from the list as the replication source folder, then click OK. If you had configured a backup device access key to the replication destination folder, click Set Backup Device Access Key.
  • Page 52 Chapter 4 Backup and Replication To configure folders on a device that is located on another network, click Add and enter the IP address of the device, then click Save. After the IP address is added to the list, click Refresh again to add the folder to the list of folders.

  • Page 53: Dfs Replication

    TeraStation. If the network settings are changed, refresh the list of Buffalo NAS devices by following the procedure below. Click Buffalo Replication in the Start menu on Windows Storage Server. Click Refresh and refresh the detected TeraStations and LinkStations list.
  • Page 54 Chapter 4 Backup and Replication Joining an Active Directory Open Server Manager on Windows Storage Server. From the left-side menu, click Local Server. Click the hostname of your TeraStation.
  • Page 55 Chapter 4 Backup and Replication From the Computer Name tab, click Change. Select “Domain”, enter a domain name, and click OK.
  • Page 56 Chapter 4 Backup and Replication Enter an administrator username and password for the Active Directory domain controller. Click OK, then click OK again. Click Close. Click Restart Now and restart your computer to apply settings. Installing DFS Open Server Manager on Windows Storage Server. From the left-side menu, click Dashboard, then click Add roles and features.
  • Page 57 Chapter 4 Backup and Replication Select “Role-based or feature-based installation” and click Next. Click Next. Select “DFS Namespaces” and “DFS Replication” under “File and Storage Services” > “File and iSCSI Services”.
  • Page 58 Chapter 4 Backup and Replication Select “Include management tools (if applicable)” and click Add Features. Click Next twice, then click Install. Click Close to finish. Creating Namespaces Open Server Manager on Windows Storage Server.
  • Page 59 Chapter 4 Backup and Replication Click Tools > DFS Management. Right-click Namespaces, then click New Namespace.
  • Page 60 Chapter 4 Backup and Replication Enter a hostname for the namespace server and click Next.
  • Page 61 Chapter 4 Backup and Replication Enter a name for the namespace and click Next.
  • Page 62 Chapter 4 Backup and Replication Select Domain-based namespace and click Next. Click Create. Click Close when the New Namespace Wizard finishes.
  • Page 63 Chapter 4 Backup and Replication From DFS Management, right-click the name you created through the wizard and click New Folder. Enter a folder name and click Add.
  • Page 64 Chapter 4 Backup and Replication Enter a path to the folder or select from the list by clicking Browse, then click OK. You may be asked to create a new folder if the selected path doesn’t exist. In such a case, click Yes. Click OK again.
  • Page 65 Chapter 4 Backup and Replication Right-click Replication, then click New Replication Group. Select the type of the replication group and click Next. The procedure below uses selecting “Multipurpose replication group” as an example.
  • Page 66 Chapter 4 Backup and Replication Enter a name for the replication group and click Next.
  • Page 67 Chapter 4 Backup and Replication Click Add. Enter the hostnames of replication group member and click OK.
  • Page 68 Chapter 4 Backup and Replication Click Next.
  • Page 69 Chapter 4 Backup and Replication Select “Full mesh” and click Next.
  • Page 70 Chapter 4 Backup and Replication Click Next. Notes: • If you want to use a fixed bandwidth, select the desired bitrates from the drop-down list. • If you want to specify the date and time for when to replicate, select “Replicate during the specified days and times”, then edit the schedule.
  • Page 71 Chapter 4 Backup and Replication Select the TeraStation that has the replication source folder as the primary member, then click Next.
  • Page 72 Chapter 4 Backup and Replication Click Add.
  • Page 73 Chapter 4 Backup and Replication Enter the location of the replication source folder, then click OK.
  • Page 74 Chapter 4 Backup and Replication Click Next.
  • Page 75 Chapter 4 Backup and Replication Click Edit.
  • Page 76 Chapter 4 Backup and Replication Change the “Membership status” to “Enabled” and enter the location of the replication destination folder, then click OK.
  • Page 77 Chapter 4 Backup and Replication Click Next.
  • Page 78 Chapter 4 Backup and Replication Make sure all entered information is correct, then click Create. Click Close when the wizard is completed. Note: It may take some time until replication begins. If the following message is displayed, click OK.

  • Page 79: Chapter 5 Additional Settings

    Chapter 5 Additional Settings Chapter 5 Additional Settings Changing Server Name, Workgroups, and Domains Open Server Manager on Windows Storage Server. From the left-side menu, click Local Server. Click the hostname of your TeraStation.
  • Page 80 Chapter 5 Additional Settings From the Computer Name tab, click Change. Enter the computer name, choose domain or workgroup, and click OK.

  • Page 81: Changing The Password

    Chapter 5 Additional Settings Note: The computer name should contain 15 characters or less. If more than 15 characters are entered, the TeraStation will become inaccessible. Changing the Password The default password for the TeraStation’s administrator account is “password”. This is public knowledge, so for security, you should change it immediately.

  • Page 82: Passwords For Other Users

    Chapter 5 Additional Settings Enter the current administrator’s password and a new password (twice), then press the Enter key. Passwords for Other Users Open Server Manager on Windows Storage Server. Click Tools > Computer Management.

  • Page 83: Adding A User

    Chapter 5 Additional Settings Click Local Users and Groups, then double-click Users. Right-click the user whose password will be changed and click Set Password. Click Proceed. Enter a new password (twice). Adding a User Open Server Manager on Windows Storage Server.
  • Page 84 Chapter 5 Additional Settings Click Tools > Computer Management. Click Local Users and Groups. Right-click Users and click New User.

  • Page 85: Connecting With Standard Accounts

    Chapter 5 Additional Settings Enter the desired settings and click Create. Connecting with Standard Accounts Accounts not belonging to the Administrators group cannot connect to Windows Storage Server through the remote desktop. Those accounts must be added to the “Remote Desktop Users” group. Follow the procedure below to add accounts to the group.
  • Page 86 Chapter 5 Additional Settings Click Tools > Computer Management. Click Local Users and Groups, then double-click Groups.
  • Page 87 Chapter 5 Additional Settings Double-click Remote Desktop Users. Click Add. Click Advanced. Click Find Now.

  • Page 88: Adding A Group

    Chapter 5 Additional Settings Select the user to be added as a group member and click OK. Click OK, then click OK again. Adding a Group Open Server Manager on Windows Storage Server.
  • Page 89 Chapter 5 Additional Settings Click Tools > Computer Management. Click Local Users and Groups. Right-click Groups and choose New Group.
  • Page 90 Chapter 5 Additional Settings Enter a group name and click Add. Click Advanced. Click Find Now.

  • Page 91: Enabling Email Notification

    Chapter 5 Additional Settings Select the users to be registered to the group. Click OK, then click OK again. Click Create. Enabling Email Notification Your TeraStation can send you email reports daily, or when settings are changed or an error occurs. Notification emails may be triggered by TeraStation reports or Windows event logs.
  • Page 92 Chapter 5 Additional Settings Select the “Enable email notification” checkbox. Click New and enter an email address. Enter your email server settings. Click OK to finish the email notification settings. You can send a test email when clicking Test Message. Enter the password of the user you’re logged in as and click OK.

  • Page 93: Specifying Terastation Reports

    Chapter 5 Additional Settings Items Descriptions SMTP Server Address: Enter your email SMTP server’s address and port number. Port number 25 is configured by default. Note: If you choose “None” or “POP before SMTP” for the user authorization, the port number is locked to “25”. User Authentication Method: Select the user authorization type from “None”, “POP before SMTP”, “LOGIN (SMTP-AUTH/LOGIN)”, and Authentication...
  • Page 94 Chapter 5 Additional Settings Click the Report Settings tab and select the “Use TeraStation reports to determine notification type” checkbox. Click On or Off to enable/disable the notifications of the function. When you select the checkboxes to the left of each log level, all notifications of the line will be selected at once. Click OK, then click OK again.

  • Page 95: Specifying Windows Event Logs

    Chapter 5 Additional Settings Levels Details Sends a notification email if an error occurs. Error reports will describe any Error critical failures that prevented a function or unit from operating properly. It is recommended to perform the corrective action for the error immediately. Specifying Windows Event Logs A notification email will be sent when a specified event occurs.

  • Page 96: Changing Front Panel Settings

    Chapter 5 Additional Settings Select the importance level from the “Log Level” list. Select “System” from the “Log Type” list. Enter “Microsoft-Windows-WindowsUpdateClient” into the “Source” box. An event ID can be blank. All events triggered by Windows Update will be notified. If you prefer only being notified of specific events, enter those event IDs.

  • Page 97: Acquiring Windows Event Logs

    Chapter 5 Additional Settings Acquiring Windows Event Logs To acquire event logs of the TeraStation, follow the procedure below. Open Server Manager on Windows Storage Server. Click Tools > Event Viewer. Double-click Windows Logs. Right-click on either “Application”, “Security”, “Setup”, or “System” in the left-side menu to determine the logs to be saved.
  • Page 98 Chapter 5 Additional Settings From the left-side menu, click Local Server. Click Disabled to the right of “NIC Teaming”.
  • Page 99 Chapter 5 Additional Settings From the “TEAMS” field, click TASKS, then select New Team.

  • Page 100: Enabling Wake-On-Lan

    Chapter 5 Additional Settings Enter a desired team name. Select the 1GbE adapters to join the team and click OK. The created team will be added to the list. Wait until the status changes to “OK”. It may take a few minutes. Enabling Wake-on-LAN You can turn on the TeraStation via Wake-on-LAN.
  • Page 101 Chapter 5 Additional Settings Click Tools > Computer Management. Click Device Manager.
  • Page 102 Chapter 5 Additional Settings Right-click the network adapter to use for Wake-on-LAN and click Properties. Click the Advanced tab. If using the 1GbE ports (LAN port 1 or 2), then select “Enable PME” under “Property” and change “Value” to “Enabled”.
  • Page 103 Chapter 5 Additional Settings For any adapters, select “Wake on Magic Packet” under “Property” and change “Value” to “Enabled”. Notes: • To use Wake-on-LAN, you’ll need Wake-on-LAN software that sends magic packets. The TeraStation does not include Wake-on-LAN software. • If the TeraStation is powered off by Wake-on-LAN using a 10GbE port (LAN port 3), the link speed will be fixed to 100 Mbps.

  • Page 104: Chapter 6 Drive Replacement

    TeraStation may malfunction. • For the replacement drive, use a Buffalo OP-HDN series drive. The new drive should be the same size as the original drive or larger. If a larger drive is used, the extra space will not be usable in a volume.

  • Page 105: Example Of Drive 1 Or 2 Failure (Used For System Volume)

    Chapter 6 Drive Replacement • If a drive is replaced while saving a file, the file can be corrupted. Be sure that the saving operation is completed before replacing the drive. Example of Drive 1 or 2 Failure (Used for System Volume) Notes: •...
  • Page 106 Chapter 6 Drive Replacement Pull out the drive cartridge and remove it from the TeraStation. Firmly insert the new drive into the empty slot. Slide the drive in with the locking mechanism open. Make sure the replacement drive is inserted exactly as the previous drive. Push here to insert.
  • Page 107 Chapter 6 Drive Replacement Swing the lock back down until it clicks into place. Make sure that the inserted drive has been pushed in as far as the other drives. If the drive has not been inserted properly, it will not be detected by the TeraStation. Close the front cover and press the power button on the TeraStation to turn it on.
  • Page 108 Chapter 6 Drive Replacement Select “Repair a mirrored system volume” from the drop-down list, select the checkbox of the replaced drive, then click OK. You will be asked to initialize the replaced drive. Click OK. The message that lets you restart the TeraStation will appear. Follow the instructions on the screen and restart the TeraStation.
  • Page 109 Chapter 6 Drive Replacement Click Tools > Computer Management. Click Disk Management. Make sure the status of the system area shows “Healthy”. Creating system area will take about an hour to complete. Select the step depending on your reason for a created volume. Procedure for a RAID 5 Volume (1) Right-click the volume labeled “Failed Redundancy”...

  • Page 110: Example Of Drive 3 Or 4 Failure

    1. Click the Buffalo Dashboard icon (   ) in the system tray to open Buffalo Dashboard. The error message will notify you of the failed drive’s location. Click Dismount Drive x (where “x” is the number of the failed drive).
  • Page 111 Chapter 6 Drive Replacement Buffalo Dashboard will show the drive status “Getting drive status... ” . After the drive status changes to “Normal”, open Server Manager and click Tools > Computer Management. Click Disk Management.
  • Page 112 Chapter 6 Drive Replacement When the “Initialize Disk” window appears, make sure the drive number that you have replaced is displayed in the “Selected disks” field and “GPT” is selected, then click OK. Right-click the initialized drive and select Convert to Dynamic Disk. A volume cannot be created unless the drive is converted to a dynamic disk.
  • Page 113 Chapter 6 Drive Replacement (5) Select the volume to be repaired and select Add Mirror. (6) When “Add Mirror” is displayed, select the drive to be added to the mirrored volume and click Add Mirror. Procedure for a Striped Volume or Spanned Volume Refer to the “Creating a Volume”...

  • Page 114: Chapter 7 Utilities

    Chapter 7 Utilities NAS Navigator2 NAS Navigator2 is a utility program that makes it easy to display Windows Storage Server, change the Buffalo NAS device’s IP address, or check its drives in remote desktop. To install NAS Navigator2, refer to the appropriate procedure below for your computer.

  • Page 115: Chapter 8 Troubleshooting

    While using the TeraStation, you may lose your important data due to sudden disasters, drive failure, or accidental misoperation. Back up your data regularly! For best results, back up your data to Buffalo drives like the TeraStation, LinkStation, or DriveStation series.

  • Page 116: I12 Message Appears Despite No Drive Errors

    Chapter 8 Troubleshooting Cause 10. Remote desktop connection software is not installed on your Mac: If using macOS, download and install “Microsoft Remote Desktop” from the Mac App Store. I12 Message Appears Despite No Drive Errors If the I12 message appears on the LCD panel (or NAS Navigator2) but the E30 message does not, this indicates that no drive errors actually occurred.
  • Page 117 Chapter 8 Troubleshooting Click Disk Management. Check whether the volume status shows either “Failed Redundancy” or “Failed”. Status Shows “Failed Redundancy” If the status shows “Failed Redundancy”, then a volume in the RAID volume has been corrupted and the RAID volume is operating in degraded mode.

  • Page 118: Shared Folders Suddenly Do Not Open

    Chapter 8 Troubleshooting Status Shows “Failed” If the two or more volumes are corrupted, the volume status will show “Failed” and the TeraStation will not be accessible. Data cannot be recovered. In such a case, refer to the “Deleting a Volume” section in chapter 3 to delete the volumes labeled “Failed”.

  • Page 119: Buffalo Dashboard And Windows Disk Management Display Different Information

    Chapter 8 Troubleshooting Buffalo Dashboard and Windows Disk Management Display Different Information Because different drive error algorithm rules are used between Buffalo Dashboard and Windows Disk Management, drive errors may not appear on both. Preinstalled Software Does Not Work If a storage pool is enabled, preinstalled software does not work. Disable the storage pool.

  • Page 120: Reverting The Terastation To The Factory Default State

    Chapter 8 Troubleshooting After the recovery process is completed, refer to the next section to revert to the previous volume state. By recovering the TeraStation, the display language will also revert to English, as shipping default. If you want to change it to different language, refer to the “Changing Display Language”...
  • Page 121 Chapter 8 Troubleshooting Click Disk Management. Right-click the volumes labeled “Foreign”, then click Import Foreign Disks. If there are multiple “Foreign” drives, all drives will be imported at once. Click OK, then click OK again.
  • Page 122 Chapter 8 Troubleshooting Right-click “(D:)” under the “Volume” field, then click Delete Volume. Repeat this step to delete all volumes other than volume C. Deleting the volume will erase all data. Read the displayed message carefully and click Yes. Click the Start button and click RAID Builder.
  • Page 123 Chapter 8 Troubleshooting Select “Repair a mirrored system volume” from the drop-down list, select the checkbox of drive 2, then click OK. You will be asked to initialize drive 2. Click OK. The message that lets you restart the TeraStation will appear. Follow the instructions on the screen and restart the TeraStation.
  • Page 124 Chapter 8 Troubleshooting Select “Create volume” from the drop-down list and select the volume type under “Volume Type”. Select the checkboxes of the drives that will be used to create a volume, then click OK.

  • Page 125: Chapter 9 Appendix

    This section explains the details of an event/error code that appears when an event occurs. If there is a corresponding corrective action described for the code, try it first. If the code is still displayed, contact Buffalo technical support for assistance.

  • Page 126: Default Settings

    4 TB TeraStation the rebuilding process. model. This message will disappear when resynchronization finishes. I33 Replication From Buffalo Replication, click Resync to An error occurred in replication. Failure execute resynchronization. I52 New Firmware A new firmware version has been released.

  • Page 127: Specifications

    Microsoft Windows Storage Server 2016 Workgroup Edition WS5420RNS6: Installed OS Microsoft Windows Storage Server 2016 Standard Edition Note: The Microsoft Software License is on the d.buffalo website, http://d.buffalo.jp/ WS5020N6/. Be sure to read the terms and conditions of this license. IEEE 802.3ab (1000BASE-T), IEEE 802.3u (100BASE- Standards Compliance TX), IEEE 802.3 (10BASE-T)
  • Page 128 WS5220DN6: mirrored, striped, spanned Supported Volume Types WS5420DN6, WS5420RN6: RAID 5, mirrored, striped, Internal Drive spanned Buffalo OP-HDN series drive Note: The new drive should be the same size as Replacement Drive the replacement drive. The drives listed above are available from the Buffalo website.

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