How to recover data from Digiever DS-16342-RM Pro+ NAS

Is your network drive gone, and you are wondering what to do? Has a RAID system crashed, and your files are no longer accessible? Does your device display an error while booting? Have you accidentally rebuilt your RAID system? Are several hard disks out of order?

How to recover data from NAS Digiever DS-16342-RM Pro+

Digiever DS-16342-RM Pro+ NAS Data Recovery in 2024

In this step-by-step tutorial, we’ll show you how to rebuild your RAID and recover data from DS-16342-RM Pro+.

How to recover data from NAS Digiever DS-16342-RM Pro+

Recover data from damaged RAID arrays inaccessible from a computer.

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 Digiever also introduce some modifications to this process, and that is why data can be written to hard disk in a wide variety of ways.

Can a failed RAID rebuild process lead to data loss on NAS Digiever DS-16342-RM Pro+ devices?

Yes, a failed RAID rebuild process can potentially lead to data loss on NAS Digiever DS-16342-RM Pro+ devices. During a RAID rebuild, the system attempts to restore data on a failed or replaced hard drive by reconstructing it from the remaining drives in the array. If the rebuild process fails or encounters errors, it can result in data corruption or loss.

To minimize the risk of data loss during a RAID rebuild, it is important to ensure that the NAS device is properly configured and maintained. This includes regularly backing up critical data, monitoring the health of the drives, and addressing any issues promptly. It is also recommended to consult the manufacturer's documentation or seek professional assistance if you encounter any problems during the rebuild process.

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

Although NAS DS-16342-RM Pro+ 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 Digiever DS-16342-RM Pro+. 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.

Go to view
How to recover data from a Digiever

How to recover data from a Digiever

DS-16342-RM Pro+ has 16 HDD slots, and it supports the following array types:

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

NAS supports:

  • exFAT, VFAT, FAT 12 / 16 / 32;
  • NTFS / ReFS;
  • APFS / HFS+;
  • Ext2 / 3 / 4 / ReiserFS / XFS / UFS / ZFS / Btrfs;
  • VMFS / HikvisionFS;

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 Digiever DS-16342-RM Pro+ network-attached storage keeps OS Linux 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 DS-16342-RM Pro+, feel free to leave a comment!
  • Arnaut Reynolds
    Arnaut Reynolds 23.08.2023 13:50 #
    Can data recovery from a NAS Digiever DS-16342-RM Pro+ device be performed if there are issues with the network router or switch?
    • Hetman Software
      Hetman Software 23.08.2023 13:59 #

      Yes, data recovery from a NAS Digiever DS-16342-RM Pro+ device can still be performed even if there are issues with the network router or switch. The NAS device itself stores the data on its hard drives, and as long as the drives are functioning properly, the data can still be recovered.

      In such cases, the data recovery process can be performed by directly connecting the NAS device to a computer or another device using an Ethernet cable. This allows for a direct connection without relying on the network router or switch.

      However, if the issues with the network router or switch are causing the NAS device to malfunction or if the drives themselves are damaged, then data recovery may require additional troubleshooting or professional assistance.

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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 benefits of the NAS Digiever DS-16342-RM Pro+ in terms of file access security?

    The NAS Digiever DS-16342-RM Pro+ offers several key features and benefits in terms of file access security. These include:

    1. Advanced Access Control: The NAS Digiever DS-16342-RM Pro+ provides advanced access control mechanisms, allowing administrators to define user permissions and access rights at a granular level. This ensures that only authorized individuals can access specific files and folders.
    2. User Authentication: The NAS supports various authentication methods such as local user accounts, Active Directory, LDAP, and more. This enables organizations to enforce strong user authentication protocols, ensuring that only authenticated users can access the files.
    3. Encryption: The NAS Digiever DS-16342-RM Pro+ supports encryption for data at rest, ensuring that files stored on the device are protected even if the physical device is compromised. This provides an additional layer of security for sensitive files and prevents unauthorized access.
    4. Secure Remote Access: The NAS supports secure remote access protocols such as SSL/TLS, VPN, and SSH, allowing authorized users to access files securely from remote locations. This ensures that data remains protected during transmission over the internet.
    5. Two-Factor Authentication (2FA): The NAS Digiever DS-16342-RM Pro+ supports two-factor authentication, adding an extra layer of security to the login process. This requires users to provide a second form of authentication, such as a one-time password, in addition to their credentials.
    6. Audit Logs and Alerts: The NAS provides detailed audit logs that capture user activities, file access attempts, and system events. Administrators can monitor these logs to detect any suspicious activities and take necessary actions. Additionally, the NAS can generate alerts and notifications for specific events, ensuring timely response to potential security breaches.
    7. Virus and Malware Protection: The NAS Digiever DS-16342-RM Pro+ integrates with antivirus and antimalware software, providing real-time scanning and protection against malicious files. This helps prevent the spread of malware within the network and ensures the security of stored files.

    Overall, the NAS Digiever DS-16342-RM Pro+ offers robust file access security features, allowing organizations to protect their sensitive data and control access to files effectively.

  • How does the NAS Digiever DS-16342-RM Pro+ ensure secure file access and prevent unauthorized access or data breaches?

    The NAS Digiever DS-16342-RM Pro+ ensures secure file access and prevents unauthorized access or data breaches through several mechanisms:

    1. User authentication: The device supports various authentication methods such as local user accounts, Active Directory/LDAP integration, and Single Sign-On (SSO). This ensures that only authorized users can access the files stored on the NAS.
    2. Access control: The NAS provides granular access control mechanisms, allowing administrators to define access permissions at the user, group, or folder level. This ensures that users only have access to the files they are authorized to access.
    3. Encryption: The NAS supports encryption protocols such as SSL/TLS for secure communication between clients and the NAS. This prevents unauthorized interception of data during transmission.
    4. Two-factor authentication: The device supports two-factor authentication (2FA) methods, such as SMS verification or hardware tokens, to add an extra layer of security during the login process. This prevents unauthorized access even if the user's password is compromised.
    5. IP access control: Administrators can restrict access to the NAS based on IP addresses or IP ranges. This prevents unauthorized access from outside the allowed network or specific locations.
    6. Audit trail and logging: The NAS keeps a record of all user activities, including file access, modifications, and deletions. This audit trail helps in identifying any suspicious activities and provides evidence in case of a data breach.
    7. Anti-virus and anti-malware: The NAS can be equipped with anti-virus and anti-malware software that scans files for any malicious content. This helps in preventing the storage and spread of malware through the NAS.
    8. Data backup and disaster recovery: The NAS supports various backup and disaster recovery mechanisms, including remote replication, snapshot, and version control. These features ensure that data can be recovered in case of accidental deletion, hardware failure, or ransomware attacks.

    By combining these security features, the NAS Digiever DS-16342-RM Pro+ provides a robust and secure file access environment, preventing unauthorized access and minimizing the risk of data breaches.

  • Can you explain the different security mechanisms and protocols employed by the NAS Digiever DS-16342-RM Pro+ to protect files and ensure secure remote access?

    The NAS Digiever DS-16342-RM Pro+ employs several security mechanisms and protocols to protect files and ensure secure remote access. Some of these mechanisms and protocols include:

    1. User Authentication: The NAS supports various user authentication methods such as local user accounts, Windows Active Directory integration, and LDAP authentication. This ensures that only authorized users can access the files stored on the NAS.
    2. Access Control: The NAS allows administrators to set access control permissions on folders and files, specifying which users or user groups have read, write, or execute privileges. This helps in preventing unauthorized access to sensitive files.
    3. Encryption: The NAS supports data encryption to protect files stored on the device. It uses advanced encryption algorithms like AES (Advanced Encryption Standard) to ensure that data is securely stored and transmitted.
    4. Firewall: The NAS has a built-in firewall that can be configured to restrict network traffic and prevent unauthorized access to the device. It can filter incoming and outgoing traffic based on IP addresses, ports, and protocols.
    5. VPN Support: The NAS supports Virtual Private Network (VPN) protocols like OpenVPN and PPTP. VPN allows secure remote access to the NAS over the internet by establishing an encrypted tunnel between the remote device and the NAS.
    6. SSL/TLS: The NAS supports Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols for secure communication. These protocols ensure that data transmitted between the NAS and remote devices is encrypted and protected from eavesdropping or tampering.
    7. Two-Factor Authentication (2FA): The NAS supports two-factor authentication, which adds an extra layer of security by requiring users to provide a second form of authentication, such as a unique code sent to their mobile device, in addition to their password.
    8. IP Access Control: The NAS allows administrators to configure IP access control lists, which specify the IP addresses or IP ranges that are allowed or denied access to the device. This helps in preventing unauthorized access from specific IP addresses.

    These security mechanisms and protocols work together to protect files stored on the NAS Digiever DS-16342-RM Pro+ and ensure secure remote access to the device.

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