How to recover data from Promise Vess A3340 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 Promise Vess A3340

Promise Vess A3340 NAS Data Recovery in 2024

In this step-by-step tutorial, we’ll show you how to rebuild your RAID and recover data from Vess A3340.

How to recover data from NAS Promise Vess A3340

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

How can file system corruption impact data integrity on NAS Promise Vess A3340 devices?

File system corruption can have a significant impact on data integrity on NAS Promise Vess A3340 devices. Here are some ways it can affect data integrity:

  1. Data loss: File system corruption can lead to the loss of data stored on the NAS device. This can occur due to the inability to access or recover files, or the corruption of file metadata that makes it impossible to locate and retrieve the data.
  2. Data inconsistency: File system corruption can cause inconsistencies in the data stored on the NAS device. This means that the data may be incomplete, contain errors, or be in an unexpected state. Inconsistent data can lead to issues like incorrect calculations, inaccurate reports, or improper functioning of applications that rely on the data.
  3. Data integrity violations: File system corruption can result in data integrity violations, where the data stored on the NAS device does not meet the expected integrity constraints. This can include issues like duplicate data, invalid references, or data that violates integrity rules defined by the file system or applications.
  4. Unreliable backups: File system corruption can also impact the reliability of backups taken on the NAS device. If the corruption affects the backup files or the ability to restore them, it can lead to data loss or incomplete recovery in case of a disaster or data corruption event.
  5. Performance degradation: File system corruption can cause performance degradation on the NAS device. This can occur due to the need for additional processing and error handling to deal with the corrupted file system, resulting in slower access times and reduced overall performance.

To mitigate the impact of file system corruption on data integrity, it is important to regularly backup data, perform integrity checks, and implement preventive measures such as using reliable hardware, keeping the firmware up to date, and implementing proper security measures to prevent unauthorized access or malicious actions.

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

Although NAS Vess A3340 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 Promise Vess A3340. 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 Promise

How to recover data from a Promise

Vess A3340 has 8 HDD slots, and it supports the following array types:

  • RAID 0;
  • RAID 1;
  • RAID 1E;
  • RAID 3;
  • RAID 5;
  • RAID 6;
  • RAID 30;
  • 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 Promise Vess A3340 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 Vess A3340, feel free to leave a comment!
  • Wolfgang Hewlett
    Wolfgang Hewlett 7.09.2023 13:44 #
    Is it possible to recover data from a NAS Promise Vess A3340 device that has been affected by a power supply or voltage fluctuation issue?
    • Hetman Software
      Hetman Software 7.09.2023 14:00 #

      Yes, it is possible to recover data from a NAS (Network Attached Storage) device that has been affected by a power supply or voltage fluctuation issue. However, the success of data recovery depends on the extent of the damage caused by the power issue.

      In such cases, it is recommended to contact a professional data recovery service that specializes in NAS devices. They have the expertise and tools required to diagnose the issue, repair any hardware damage, and recover the data from the affected device.

      It is important to note that attempting DIY data recovery methods or using inexperienced technicians may further damage the device and reduce the chances of successful data recovery.

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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 using the NAS Promise Vess A3340 for saving video files?

    The NAS Promise Vess A3340 is a storage solution specifically designed for saving video files. Some of its key features and benefits include:

    1. High storage capacity: The Vess A3340 offers a large storage capacity, allowing users to save a significant amount of video files. It supports up to 12 hard drives, enabling storage expansion as per the requirements.
    2. High performance: This NAS system is built with high-performance hardware components, including a powerful processor and ample memory. It ensures fast data transfer rates and smooth video playback, even for high-resolution and bandwidth-intensive video files.
    3. RAID protection: The Vess A3340 supports various RAID configurations, including RAID 0, 1, 5, 6, 10, 50, and 60. This provides data redundancy and protection against drive failures, ensuring the safety and integrity of video files.
    4. Scalability: The system is designed to be easily scalable, allowing users to add more storage capacity as their video storage needs grow. It supports expansion units, enabling seamless integration of additional hard drives without disrupting the existing setup.
    5. Data management features: The Vess A3340 includes advanced data management features, such as thin provisioning, which optimizes storage utilization by allocating space dynamically. It also supports snapshot technology, allowing users to take point-in-time copies of video files for backup or recovery purposes.
    6. High availability: The NAS system is equipped with redundant power supplies and cooling fans, ensuring high availability and minimizing downtime. It also supports failover and load balancing, enabling continuous access to video files even in case of hardware failures.
    7. User-friendly interface: The Vess A3340 comes with an intuitive and user-friendly web-based interface, making it easy to manage and configure the storage system. It also supports various network protocols, including NFS, SMB/CIFS, and iSCSI, ensuring compatibility with different video editing and playback software.
    8. Cost-effective: The Vess A3340 offers a cost-effective solution for video storage, providing high performance and scalability at a competitive price point. It helps organizations save on storage costs while meeting their video storage requirements.

    Overall, the NAS Promise Vess A3340 is a reliable and efficient storage solution for saving video files, offering high capacity, performance, data protection, scalability, and cost-effectiveness.

  • How does the NAS Promise Vess A3340 ensure data security and reliability for video storage?

    The NAS Promise Vess A3340 ensures data security and reliability for video storage through several features and technologies:

    1. RAID Protection: The Vess A3340 supports various RAID levels (RAID 0, 1, 5, 6, 10, 50, and 60) to provide data redundancy and protection against drive failures. This ensures that even if one or multiple drives fail, the data remains intact and accessible.
    2. Snapshot Technology: The Vess A3340 utilizes snapshot technology, allowing users to take point-in-time copies of their data. These snapshots can be scheduled at regular intervals, providing a quick and efficient way to restore data in case of accidental deletion or data corruption.
    3. Encryption: The Vess A3340 supports AES 256-bit encryption, which enables data to be encrypted before being stored on the drives. This ensures that even if the drives are physically stolen or accessed without authorization, the data remains secure and inaccessible.
    4. Data Integrity Check: The Vess A3340 performs regular data integrity checks to identify and correct any errors or inconsistencies in stored data. This helps to maintain the reliability and accuracy of the stored video content.
    5. Redundant Power Supplies: The Vess A3340 is equipped with redundant power supplies, ensuring continuous operation even if one power supply fails. This helps to prevent data loss due to power disruptions or failures.
    6. Scalability and Expansion: The Vess A3340 supports easy scalability and expansion by allowing the addition of more drives or expansion units. This ensures that the storage capacity can be increased as per the growing needs of video storage, without compromising data security or reliability.

    Overall, the NAS Promise Vess A3340 combines various features like RAID protection, encryption, snapshot technology, data integrity checks, redundant power supplies, and scalability to ensure data security and reliability for video storage.

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