RAID Array Recovery on NAS Thecus N0503 ComboNAS: How to Recover After It Breaks

If your ⭐ NAS RAID array breaks, follow these steps to recover your data and ensure your system is back up and running.

RAID Array Recovery on NAS Thecus N0503 ComboNAS: How to Recover After It Breaks

Thecus N0503 ComboNAS NAS Data Recovery in 2024

In this step-by-step tutorial, we’ll show you how to rebuild your RAID and recover data from N0503 ComboNAS.

RAID Array Recovery on NAS Thecus N0503 ComboNAS: How to Recover After 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 Thecus 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 improper configuration of network settings or IP addresses result in data loss on NAS Thecus N0503 ComboNAS devices?

Yes, improper configuration of network settings or IP addresses can potentially result in data loss on NAS (Network-Attached Storage) devices such as Thecus N0503 ComboNAS.

If the network settings or IP addresses are configured incorrectly, it can lead to connectivity issues between the NAS device and other devices on the network. This can result in the inability to access or transfer data to and from the NAS device.

Furthermore, if the NAS device is assigned an IP address that conflicts with another device on the network, it can cause network conflicts and disruptions. This can potentially lead to data corruption or loss if the NAS device is unable to function properly.

It is important to ensure that network settings and IP addresses are configured correctly and do not conflict with other devices on the network to prevent any potential data loss on NAS devices.

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

Although NAS N0503 ComboNAS 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 Thecus N0503 ComboNAS. 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 Thecus

How to recover data from a Thecus

N0503 ComboNAS has 5 HDD slots, and it supports the following array types:

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

NAS supports:

  • EXT3;
  • EXT4;
  • XFS;

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 Thecus N0503 ComboNAS 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 N0503 ComboNAS, feel free to leave a comment!
  • Carlton Mullies
    Carlton Mullies 14.09.2023 11:49 #
    Can data recovery from a NAS Thecus N0503 ComboNAS device be done if the storage disks have been accidentally overwritten or reformatted?
    • Hetman Software
      Hetman Software 14.09.2023 11:59 #

      Data recovery from a NAS device like Thecus N0503 ComboNAS can be challenging if the storage disks have been overwritten or reformatted. When data is overwritten or reformatted, the original data is typically lost or partially overwritten, making it difficult to recover.

      However, it is not entirely impossible to recover data in some cases. Professional data recovery services or specialized software tools might be able to retrieve some of the lost data. These services or tools use advanced techniques to search for traces of the original data that might still be present on the disks.

      It is important to note that the success of data recovery in such cases depends on various factors, including the extent of the overwriting or reformatting, the time that has passed since the incident, and the specific characteristics of the NAS device. It is recommended to consult with a professional data recovery service for the best chance of recovering any lost data.

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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 steps involved in copying data from a NAS Thecus N0503 ComboNAS to a cloud service?

    The steps involved in copying data from a Thecus N0503 ComboNAS to a cloud service are as follows:

    1. Set up the cloud service account: Choose a cloud service provider that suits your needs, such as Google Drive, Dropbox, or Amazon S3. Create an account and set up the necessary storage space.
    2. Connect the Thecus N0503 ComboNAS to the network: Ensure that the NAS is connected to the same network as the device you will use to transfer the data.
    3. Access the Thecus NAS interface: Open a web browser on your device and enter the IP address of the NAS to access its management interface.
    4. Configure the cloud service settings: In the NAS interface, navigate to the settings or configuration section and find the cloud service settings. Enter the credentials for your cloud service account (username, password, and any other required information).
    5. Select the data to be copied: Navigate to the file management section of the NAS interface and select the files or folders you want to copy to the cloud service.
    6. Choose the cloud service as the destination: In the file management section, select the cloud service as the destination for the copied data. This option may be labeled "Cloud Backup" or similar.
    7. Start the data transfer: Initiate the data transfer process by clicking on a "Backup" or "Start" button. The NAS will begin copying the selected data to the cloud service.
    8. Monitor the transfer progress: Keep an eye on the transfer progress to ensure that it completes successfully. The NAS interface should provide information on the status of the transfer.
    9. Verify the data in the cloud service: Once the transfer is complete, log in to your cloud service account and navigate to the appropriate folder to verify that the data has been copied successfully.

    It's worth noting that the specific steps may vary slightly depending on the model of the Thecus NAS and the cloud service provider you choose. It's recommended to consult the user manual or documentation provided by Thecus for detailed instructions specific to your device.

  • Which cloud services are compatible with the NAS Thecus N0503 ComboNAS for copying data?

    The Thecus N0503 ComboNAS is compatible with various cloud services for copying data. Some of the commonly used cloud services that can be used with this NAS device include:

    1. Dropbox: The Thecus N0503 ComboNAS supports Dropbox integration, allowing you to sync and copy data to and from your Dropbox account.
    2. Amazon S3: This NAS device is compatible with Amazon S3 cloud storage service, enabling you to copy data to and from your Amazon S3 account.
    3. Google Drive: The Thecus N0503 ComboNAS supports Google Drive integration, allowing you to sync and copy data to and from your Google Drive account.
    4. OneDrive: This NAS device is compatible with Microsoft OneDrive, allowing you to copy data to and from your OneDrive account.
    5. Box: The Thecus N0503 ComboNAS supports Box integration, enabling you to sync and copy data to and from your Box account.

    These are just a few examples of cloud services that can be used with the Thecus N0503 ComboNAS for copying data. It is important to note that compatibility with specific cloud services may vary depending on the firmware version and available plugins/extensions on the NAS device.

  • Are there any limitations or considerations to keep in mind when copying data from a NAS Thecus N0503 ComboNAS to cloud services?

    When copying data from a NAS Thecus N0503 ComboNAS to cloud services, there are a few limitations and considerations to keep in mind:

    1. Bandwidth: The speed of data transfer will depend on your internet connection's upload speed. If you have a slow internet connection, it might take a significant amount of time to transfer large amounts of data to the cloud.
    2. Data transfer costs: Some cloud service providers charge for data transfer, especially if you exceed a certain limit. Make sure to check the pricing and any potential additional costs associated with transferring data to the cloud.
    3. Data security: Ensure that the cloud service you choose has appropriate security measures in place to protect your data during transfer and storage. Look for encryption options and data protection protocols.
    4. Compatibility and format: Check if the cloud service supports the file formats and protocols used by your Thecus N0503 ComboNAS. Ensure that the files are compatible and can be accessed and used in the cloud environment.
    5. Storage limitations: Cloud storage services often have limitations on the amount of data you can store or charge additional fees for exceeding certain limits. Consider the amount of data you need to transfer and whether it fits within the storage capacity offered by the cloud service.
    6. Network stability: Ensure that your network connection is stable and reliable during the data transfer process. Any interruptions or drops in connectivity could result in data corruption or incomplete transfers.
    7. Transfer speed: Cloud services may have limitations on the transfer speed, especially for large files. Check the service's documentation or contact support to understand any potential limitations on file size or transfer speed.
    8. Data transfer methods: Depending on the cloud service, you may have different options for transferring data. Some services provide dedicated software or APIs for seamless integration with NAS devices, while others may require manual file uploads. Consider the ease and convenience of the transfer method provided by the cloud service.

    Overall, it is essential to consider these limitations and factors to ensure a smooth and efficient transfer of data from a Thecus N0503 ComboNAS to cloud services.

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