Steps to Recover Your NAS QNAP TDS-16489U R2(QTS) RAID Array: What to Do If It Breaks

Facing a broken ⭐ NAS RAID array? Follow these steps to recover your data and restore system performance.

Steps to Recover Your NAS QNAP TDS-16489U R2(QTS) RAID Array: What to Do If It Breaks

QNAP TDS-16489U R2(QTS) NAS Data Recovery in 2024

In this step-by-step tutorial, we’ll show you how to rebuild your RAID and recover data from TDS-16489U R2(QTS).

Steps to Recover Your NAS QNAP TDS-16489U R2(QTS) RAID Array: What to Do If It Breaks

RAID Recovery™ 2.6
Recover data from damaged RAID arrays inaccessible from a computer.
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Why can’t ordinary software tools restore files from RAID?

Conventional hard disks keep user’s data by writing it to their surface in a consecutive way, and this is how an entire file is stored on a single hard disk. However, when data is written to a RAID system, a file is divided into several parts. Then these parts are written consecutively to all hard disks within such array. The size of such parts may range from 2 KB to 2 MB, so each file is stored on several hard disks at the same time.

Such approach helps to speed up read and write operations, and it is evident that saving two parts of a file having the size of 1 GB to two hard disks simultaneously is much faster than saving the same 1 GB of data to one hard disk. However, this peculiarity makes file recovery more complicated.

Various RAID levels store information in different ways. Additionally, manufacturers like QNAP also introduce some modifications to this process, and that is why data can be written to hard disk in a wide variety of ways.

Are there any specific industry regulations or compliance requirements to consider when securing data on NAS QNAP TDS-16489U R2(QTS) devices?

Yes, there are several industry regulations and compliance requirements to consider when securing data on NAS QNAP TDS-16489U R2 (QTS) devices. Some of the key regulations and requirements include:

  1. General Data Protection Regulation (GDPR): If you handle personal data of individuals in the European Union, you need to ensure compliance with GDPR regulations. This includes implementing appropriate security measures to protect personal data stored on the NAS device.
  2. Health Insurance Portability and Accountability Act (HIPAA): If you handle protected health information (PHI) in the United States, you need to comply with HIPAA regulations. This includes implementing safeguards to protect the confidentiality, integrity, and availability of PHI stored on the NAS device.
  3. Payment Card Industry Data Security Standard (PCI DSS): If you store, process, or transmit payment card data, you need to comply with PCI DSS requirements. This includes implementing strong access controls, encryption, and regular security testing to protect cardholder data stored on the NAS device.
  4. Sarbanes-Oxley Act (SOX): If your organization is publicly traded in the United States, you need to comply with SOX regulations. This includes implementing controls to protect financial data stored on the NAS device and ensuring the integrity of financial reporting.
  5. National Institute of Standards and Technology (NIST) guidelines: NIST provides a set of guidelines and best practices for securing information systems. Following NIST guidelines can help ensure the security of data on NAS devices, including the QNAP TDS-16489U R2.

It is important to consult with legal and compliance experts to understand the specific requirements that apply to your organization and industry. Additionally, regularly monitoring and staying up to date with changes in regulations is crucial to maintaining compliance.

How to take hard disks out of the NAS and connect them to a PC?

Although NAS TDS-16489U R2(QTS) can be accessed over the network, you still need to take the hard disks out of the storage device and connect them to a Windows computer. Only in this case will the software be able to scan them properly. Here is what you should do:

  1. Turn off the storage and disconnect it from the power supply.

    WARNING! Before you start taking hard disks out of your NAS device, read the manual carefully. Incorrect actions may damage your network-attached storage and/or the hard disks within the RAID system.

  2. Take the hard disks out of the NAS one by one, carefully removing them from their slots. Remember that the disks are extremely vulnerable: hitting or dropping them may result in serious physical damage.

  3. Make sure to mark each hard disk in accordance with how they were installed inside the NAS.

  4. Remove the hard disks and connect them to the computer. In this video, we have explored what ports are used to connect hard disks, and what to do if there are not enough ports or connectors.

    Go to view
    How to Order Remote Data Recovery

    How to Order Remote Data Recovery

Restoring data with Hetman RAID Recovery

Hetman Raid Recovery

This program recovers data from damaged RAID arrays and is fully compatible with QNAP TDS-16489U R2(QTS). The hard disks that make up the RAID contain technical information about the algorithm used to save files. When launched, Hetman RAID Recovery reads this information and puts the damaged array together. Then you can open the disk and save your files. Also, you can recover the files accidentally deleted from the network drive.

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How to recover data from a QNAP

How to recover data from a QNAP

TDS-16489U R2(QTS) has 16 HDD slots, and it supports the following array types:

  • RAID 50;
  • RAID 60;
  • RAID 6;
  • RAID 5;
  • RAID 10;
  • RAID 0;
  • RAID 1;
  • JBOD;

NAS supports:

  • ZFS;
  • EXT4;
  • EXT3;
  • exFAT;
  • FAT32 (External Disk Only);
  • NTFS (External Disk Only);
  • HFS+ (External Disk Read Only);

Safe recovery from disk images

This utility lets you save an entire copy of the disk to file and then work with this image instead of the actual disk. Such feature helps to protect data on the disk from:

  • Overwriting during the recovery process;
  • Loss resulting from bad sectors;
  • User mistakes.

To create an image, do the following:

  1. Make sure that you have enough free space to save the image. The image file size usually equals the disk size.

  2. Select the disk in the main window, and choose from the menu ToolsSave Disk. You can select multiple disks to be saved.

  3. When the image creation wizard starts, you can choose to save the entire disk or select only a part of it. Specify the parameters and click Next.

    Hetman Raid Recovery: Image Creation Wizard
  4. At this stage, you need to choose a directory where to save the image. Choose any disk connected to this PC, or save the image by FTP.

    Hetman Raid Recovery: hoose any disk connected to this PC, or save the image by FTP

Where are user’s files stored?

The QNAP TDS-16489U R2(QTS) network-attached storage keeps QTS (QuTS hero) operating system files on a separate RAID 1 (mirrored) array. Usually, all NAS systems create several volumes on every hard disk, and the first of them takes up to 2 Gb of space. This is where operating system files are stored. Other volumes are united into a RAID array where user’s data is written.

Comparison of software for RAID recovery

Product Operating system License type RAID controller support Supported file systems Virtual RAID controller support Data recovery from damaged RAID File preview
Hetman RAID Recovery Windows Paid Yes, over 100 controllers FAT, NTFS, Ext2/3/4, HFS+ Yes Yes Yes
DiskInternals RAID Recovery Windows Paid Yes, over 100 controllers FAT, NTFS, Ext2/3/4, HFS+ No Yes Yes
R-Studio Windows, Mac, Linux Paid Yes, over 200 controllers FAT, NTFS, Ext2/3/4, HFS+ Yes Yes Yes
UFS Explorer RAID Recovery Windows, Mac, Linux Paid Yes, over 1,000 controllers FAT, NTFS, Ext2/3/4, HFS+ Yes Yes Yes
EaseUS Data Recovery Windows Paid Yes, over 20 controllers FAT, NTFS, Ext2/3/4, HFS+ No Yes Yes
ReclaiMe Free RAID Recovery Windows Free Yes, over 100 controllers FAT, NTFS, Ext2/3/4, HFS+ Yes Yes Yes

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Comments (3)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 9.08.2022 12:31 #
    If you want to ask a question about data recovery, from NAS TDS-16489U R2(QTS), feel free to leave a comment!
  • Zeke Harrison
    Zeke Harrison 15.09.2023 06:42 #
    Can data recovery from a NAS QNAP TDS-16489U R2(QTS) device be performed without voiding the warranty?
    • Hetman Software
      Hetman Software 15.09.2023 07:59 #

      To ensure accurate information, it is recommended to consult the manufacturer or refer to the warranty terms and conditions provided by QNAP for the TDS-16489U R2(QTS) device. Generally, performing data recovery on a NAS device should not void the warranty as long as the recovery process does not involve physically damaging or altering the device. However, it is always best to confirm with the manufacturer to avoid any potential issues.

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Vladimir Artiukh

Author: Vladimir Artiukh, Technical Writer

Vladimir Artiukh is a technical writer for Hetman Software, as well as the voice and face of their English-speaking YouTube channel, Hetman Software: Data Recovery for Windows. He handles tutorials, how-tos, and detailed reviews on how the company’s tools work with all kinds of data storage devices.

Oleg Afonin

Editor: Oleg Afonin, Technical Writer

Oleg Afonin is an expert in mobile forensics, data recovery and computer systems. He often attends large data security conferences, and writes several blogs for such resources as xaker.ru, Elcomsoft and Habr. In addition to his online activities, Oleg’s articles are also published in professional magazines. Also, Oleg Afonin is the co-author of a well-known book, Mobile Forensics - Advanced Investigative Strategies.

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Questions and answers

  • What are the key features and specifications of the QNAP TDS-16489U R2 (QTS) NAS for internet access?

    The QNAP TDS-16489U R2 (QTS) NAS is a high-performance network-attached storage device designed for internet access. Some of its key features and specifications include:

    1. Dual-server architecture: The NAS is equipped with two independent server systems, allowing for high availability and workload distribution.
    2. Intel Xeon E5 processors: The NAS is powered by dual Intel Xeon E5-2600 v4 processors, offering high computing power and performance.
    3. DDR4 ECC memory: It supports up to 1TB of DDR4 ECC memory, ensuring data integrity and system stability.
    4. 12Gb/s SAS-enabled expansion slots: The NAS provides flexible storage expansion options with 12Gb/s SAS-enabled expansion slots, allowing for high-speed data transfer.
    5. 10GbE connectivity: It offers four built-in 10GbE SFP+ ports, providing high-speed network connectivity for faster data access.
    6. Hot-swappable drive bays: The NAS features 16 hot-swappable 3.5-inch drive bays, allowing for easy drive installation and replacement without system downtime.
    7. RAID support: It supports various RAID configurations, including RAID 0, 1, 5, 6, 10, 50, 60, and JBOD, for data protection and redundancy.
    8. Virtualization support: The NAS is compatible with popular virtualization platforms like VMware, Citrix, and Microsoft Hyper-V, allowing for efficient virtual machine deployment.
    9. QTS operating system: It runs on QTS, QNAP's intuitive operating system, which provides a user-friendly interface and a wide range of applications for easy management and customization.
    10. High scalability: The NAS supports expansion units for additional storage capacity, allowing for scalability as business needs grow.

    Overall, the QNAP TDS-16489U R2 (QTS) NAS offers powerful hardware, high-speed connectivity, and advanced features to meet the demands of internet access and data storage.

  • How does the QNAP TDS-16489U R2 (QTS) NAS ensure reliable and secure internet access for businesses or organizations?

    The QNAP TDS-16489U R2 (QTS) NAS ensures reliable and secure internet access for businesses or organizations through several features:

    1. Dual-OS system: The TDS-16489U R2 NAS runs both QTS and Windows operating systems simultaneously. This allows businesses to segregate their network resources and applications, ensuring that critical data and services are isolated from potential security risks.
    2. Virtualization technology: The NAS supports virtualization technologies such as VMware, Citrix, and Microsoft Hyper-V. By virtualizing servers and applications, businesses can consolidate their IT infrastructure, reduce costs, and enhance security by isolating different services and applications.
    3. Network security: The NAS provides comprehensive network security features, including firewall, antivirus, and intrusion detection and prevention systems. These features help protect the network from external threats and ensure that only authorized access is allowed.
    4. VPN server and client: The TDS-16489U R2 NAS supports VPN (Virtual Private Network) functionality, allowing businesses to securely connect remote offices or employees. VPN encrypts the data transmitted over the internet, ensuring privacy and security.
    5. Access control and authentication: The NAS supports various access control mechanisms, including user-based permissions, IP access control, and two-factor authentication. These features ensure that only authorized individuals can access the NAS and its resources.
    6. Data encryption: The NAS supports AES 256-bit volume-based encryption, ensuring that stored data is protected even if the hard drives are stolen or accessed without authorization.
    7. Backup and disaster recovery: The TDS-16489U R2 NAS supports various backup and disaster recovery solutions, including snapshot technology, remote replication, and cloud backup. These features help businesses protect their data and ensure business continuity in case of any unforeseen events.

    Overall, the QNAP TDS-16489U R2 (QTS) NAS provides a robust and secure platform for businesses or organizations to ensure reliable and secure internet access, protecting their data and network infrastructure from potential threats.

  • Can you provide some examples of how the QNAP TDS-16489U R2 (QTS) NAS can be effectively utilized for internet access in different industries or sectors?

    Certainly! The QNAP TDS-16489U R2 (QTS) NAS can be effectively utilized for internet access in various industries or sectors. Here are a few examples:

    1. Education sector: The NAS can be used in schools, colleges, or universities to provide internet access to students and faculty members. It can be integrated with educational software, e-learning platforms, and content management systems to facilitate online learning, research, and collaboration.
    2. Healthcare sector: Hospitals, clinics, or medical research institutions can utilize the NAS for internet access. It can store and manage patient records, medical images, and research data securely. Additionally, it can provide access to medical databases, telemedicine platforms, and other healthcare-related applications.
    3. Media and Entertainment industry: The NAS can be used by media companies, production houses, or broadcasting studios to facilitate internet access for content creators, editors, and other professionals. It can store and manage large media files, enable remote access for collaboration, and host media streaming services for distribution.
    4. Financial sector: Banks, financial institutions, or insurance companies can utilize the NAS for secure internet access. It can store and manage sensitive financial data, host online banking platforms, provide secure file sharing for clients, and ensure data backup and disaster recovery.
    5. Government sector: Government agencies, local municipalities, or public organizations can benefit from the NAS for internet access. It can host government websites, provide secure access to government databases, store and manage public records, and enable collaboration between departments.
    6. Research and Development: Research organizations, laboratories, or innovation centers can effectively utilize the NAS for internet access. It can store and manage research data, provide access to scientific databases, facilitate collaboration between researchers, and host data analysis or simulation tools.

    These are just a few examples, but the QNAP TDS-16489U R2 (QTS) NAS can be tailored to meet the specific internet access needs of various industries or sectors.

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