How to recover data from Promise Pegasus2 R6 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 Pegasus2 R6

Promise Pegasus2 R6 NAS Data Recovery in 2024

In this step-by-step tutorial, we’ll show you how to rebuild your RAID and recover data from Pegasus2 R6.

How to recover data from NAS Promise Pegasus2 R6

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.

Are there any known third-party application vulnerabilities that can result in data loss on NAS Promise Pegasus2 R6 devices?

There have been no publicly disclosed third-party application vulnerabilities specifically targeting the NAS Promise Pegasus2 R6 devices that result in data loss. However, it's important to note that vulnerabilities can emerge at any time, so it's crucial to regularly update the firmware and software on your devices to ensure they are protected against any potential vulnerabilities. Additionally, following best practices such as using strong passwords, implementing network security measures, and regularly backing up your data can help mitigate the risk of data loss.

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

Although NAS Pegasus2 R6 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 Pegasus2 R6. 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

Pegasus2 R6 has 6 HDD slots, and it supports the following array types:

  • RAID 0;
  • RAID 1;
  • RAID 1E;
  • RAID 3;
  • RAID 5;
  • RAID 6;
  • 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 Pegasus2 R6 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


We will be happy to answer your questions!

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 Pegasus2 R6, feel free to leave a comment!
  • Emmett Jones
    Emmett Jones 7.09.2023 04:40 #
    Is it possible to recover data from a NAS Promise Pegasus2 R6 device that has undergone a file system conversion or re-partitioning?
    • Hetman Software
      Hetman Software 7.09.2023 05:59 #

      It is possible to recover data from a NAS Promise Pegasus2 R6 device that has undergone a file system conversion or re-partitioning, but it can be a complex and challenging process. Here are a few steps you can take:

      1. Stop using the device: As soon as you realize that data has been lost or corrupted, stop using the NAS device to prevent further damage or overwriting of data.
      2. Consult a professional data recovery service: It is recommended to seek the help of a professional data recovery service that specializes in NAS devices. They have the expertise and specialized tools to handle complex data recovery scenarios.
      3. Provide detailed information: When contacting the data recovery service, provide them with all the relevant information about the NAS device, including the model, configuration, details of the file system conversion or re-partitioning, and any other relevant information that might help in the recovery process.
      4. Avoid DIY recovery attempts: Attempting to recover data yourself without proper knowledge and tools can further complicate the recovery process and may lead to permanent data loss. It is best to leave it to the professionals.

      Remember, the success of data recovery depends on various factors such as the extent of damage, the actions taken after data loss, and the expertise of the data recovery service.

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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, 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.


Questions and answers

  • What are the different file access levels available on the NAS Promise Pegasus2 R6?

    The NAS Promise Pegasus2 R6 offers the following file access levels:

    1. Public Access: This level allows anyone on the network to access and read/write files stored on the NAS without any restrictions.
    2. User-Level Access: With user-level access, you can create individual user accounts and assign specific permissions to each user. This ensures that only authorized users can access and modify files.
    3. Group-Level Access: Group-level access allows you to create user groups and assign permissions to these groups. This simplifies the management of multiple users by granting permissions to groups instead of individual users.
    4. Administrator-Level Access: The administrator has full control over the NAS and can manage all aspects of the system, including user accounts, permissions, and system settings.

    These access levels provide flexibility in controlling who can access and modify files on the NAS, ensuring data security and privacy.

  • How can the file access levels be configured and managed on the NAS Promise Pegasus2 R6?

    The file access levels on the NAS Promise Pegasus2 R6 can be configured and managed through the following steps:

    1. Connect to the NAS: Access the Promise Pegasus2 R6 NAS device through a web browser by entering its IP address.
    2. Login to the NAS: Enter the administrator username and password to log in to the NAS management interface.
    3. Create User Accounts: Under the User Management section, create user accounts for individuals or groups who will be accessing the NAS. Assign a unique username and password to each user or group.
    4. Assign Access Rights: Once the user accounts are created, go to the File Sharing section and select the shared folder or volume for which you want to configure access levels. Choose the appropriate user or group and assign the desired access rights, such as read-only, read-write, or no access.
    5. Configure Advanced Permissions: For more granular control, you can configure advanced permissions on specific files or folders. This can be done by selecting the file or folder, going to the Properties or Permissions section, and specifying the access rights for individual users or groups.
    6. Enable or Disable Guest Access: If you want to allow guest access to certain shared folders, you can enable the guest account and assign appropriate access rights to it. This allows users to access the shared folders without requiring individual user accounts.
    7. Set up Access Control Lists (ACLs): ACLs allow for more fine-grained control over file access by specifying permissions for specific users or groups. You can configure ACLs on the Pegasus2 R6 NAS by going to the Access Control section and adding rules for each user or group.
    8. Regularly Review and Update Access Levels: It is essential to periodically review and update the access levels to ensure that only authorized users have the necessary permissions. Remove any unnecessary user accounts or adjust access rights as required.

    Note: The exact steps and terminology may vary slightly depending on the firmware version of the Promise Pegasus2 R6 NAS device. It is recommended to refer to the device's user manual or contact Promise Technology support for specific instructions.

  • What are the security implications and considerations when setting up file access levels on the NAS Promise Pegasus2 R6?

    When setting up file access levels on the NAS Promise Pegasus2 R6, there are several security implications and considerations to keep in mind:

    1. User Authentication: Ensure that strong passwords are set for user accounts accessing the NAS. Consider implementing two-factor authentication for an added layer of security.
    2. User Permissions: Assign appropriate access levels to users based on their roles and responsibilities. Limit access to sensitive files and directories to authorized individuals only.
    3. Group Permissions: Create groups and assign users to these groups based on their access requirements. This allows for easier management of permissions and ensures consistency across multiple users.
    4. Access Controls: Use access control lists (ACLs) to define granular permissions for individual files and folders. This allows for more fine-grained control over who can read, write, or modify specific files.
    5. Encryption: Enable encryption on the NAS to protect data at rest. This ensures that even if the physical device is compromised, the data remains secure.
    6. Regular Updates: Keep the NAS firmware and software up to date to address any security vulnerabilities or bugs that may exist in older versions.
    7. Network Segmentation: Consider placing the NAS on a separate network segment or VLAN to isolate it from other devices and reduce the attack surface.
    8. Firewall and Intrusion Detection: Implement a firewall to control incoming and outgoing network traffic to the NAS. Additionally, consider using intrusion detection and prevention systems to monitor and block any suspicious activity.
    9. Backup and Disaster Recovery: Regularly backup the data stored on the NAS to a separate location. This ensures that in the event of a security breach or data loss, the data can be restored.
    10. Physical Security: Protect the physical access to the NAS by placing it in a secure location, such as a locked server room. Additionally, consider using surveillance cameras or access control systems to monitor and restrict physical access.

    By considering these security implications and implementing appropriate measures, you can enhance the security of the file access levels on the NAS Promise Pegasus2 R6.

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