Steps to Extract Data from a RAID Disk if NAS Netgear ReadyNAS RN4220 Doesn’t Power On

When your ⭐ NAS doesn't start, extract data from RAID disks by connecting them to a PC, configuring RAID settings, and using recovery software to retrieve your files.

Steps to Extract Data from a RAID Disk if NAS Netgear ReadyNAS RN4220 Doesn’t Power On

Netgear ReadyNAS RN4220 NAS Data Recovery in 2024

In this step-by-step tutorial, we’ll show you how to rebuild your RAID and recover data from ReadyNAS RN4220.

Steps to Extract Data from a RAID Disk if NAS Netgear ReadyNAS RN4220 Doesn’t Power On

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

Is there a risk of data loss if a NAS Netgear ReadyNAS RN4220 device is physically damaged or stolen?

Yes, there is a risk of data loss if a NAS Netgear ReadyNAS RN4220 device is physically damaged or stolen. If the device is physically damaged, it may become inoperable and the data stored on it may become inaccessible. Similarly, if the device is stolen, the data stored on it can be lost or compromised. It is important to have proper backup measures in place to mitigate the risk of data loss in such situations.

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

Although NAS ReadyNAS RN4220 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 Netgear ReadyNAS RN4220. 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 Netgear

How to recover data from a Netgear

ReadyNAS RN4220 has 12 HDD slots, and it supports the following array types:

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

NAS supports:

  • Ext2;
  • Ext3;
  • Ext4;
  • Btrfs;

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 Netgear ReadyNAS RN4220 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 ReadyNAS RN4220, feel free to leave a comment!
  • Hugh Ayles
    Hugh Ayles 11.09.2023 03:41 #
    Is it possible to recover data from a logically damaged NAS Netgear ReadyNAS RN4220 device?
    • Hetman Software
      Hetman Software 11.09.2023 04:59 #

      Yes, it is possible to recover data from a logically damaged NAS Netgear ReadyNAS RN4220 device. However, the success of data recovery depends on the extent of the damage and the specific circumstances of the situation.

      Here are a few steps you can take to attempt data recovery from a logically damaged NAS device:

      1. Check for physical damage: Ensure that the device itself is not physically damaged, such as a faulty power supply or damaged hard drives. If there is physical damage, it may be necessary to repair or replace the affected components before attempting data recovery.
      2. Connect the drives to a different system: If the NAS device is not functioning properly, you can remove the hard drives and connect them to a different computer or NAS device. This allows you to access the drives directly and attempt data recovery using specialized software or services.
      3. Use data recovery software: There are various data recovery software options available that can help recover data from logically damaged drives. These tools scan the drives for recoverable files and allow you to retrieve them. Some popular options include Recuva, EaseUS Data Recovery Wizard, and R-Studio.
      4. Seek professional help: If the data recovery process seems complex or the logical damage is severe, it is advisable to seek professional data recovery services. These experts have specialized tools and techniques to recover data from damaged devices and can maximize the chances of successful recovery.

      Remember, it is crucial to avoid further damage to the drives by not attempting any DIY repairs or using unreliable data recovery software. It is always recommended to consult with professionals who have experience in dealing with data recovery from NAS devices.

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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

  • How do I connect my digital camera to the Netgear ReadyNAS RN4220 to transfer and save photos?

    To connect your digital camera to the Netgear ReadyNAS RN4220 for transferring and saving photos, you can follow these steps:

    1. Ensure that your Netgear ReadyNAS RN4220 is properly set up and connected to your network.
    2. Check if your digital camera has a USB port or supports Wi-Fi connectivity. The method of connection may vary depending on the camera model.
    3. USB Connection:

    a. Connect one end of a USB cable to the USB port on your digital camera.

    b. Connect the other end of the USB cable to an available USB port on the Netgear ReadyNAS RN4220.

    Wi-Fi Connection:

    a. On your digital camera, navigate to the settings or Wi-Fi menu.

    b. Enable the Wi-Fi functionality and connect it to your home or office network.

    c. Ensure that your Netgear ReadyNAS RN4220 is connected to the same network.

    1. Once the camera is connected to the Netgear ReadyNAS RN4220, it should be recognized as an external storage device. Some cameras may require you to select a specific mode, such as "Mass Storage" or "PTP" (Picture Transfer Protocol), to enable file transfer.
    2. On your camera, select the photos you want to transfer to the Netgear ReadyNAS RN4220. The process may vary depending on your camera's interface.
    3. Initiate the transfer process either through the camera's menu or by dragging and dropping the files from the camera to the Netgear ReadyNAS RN4220 folder on your computer.
    4. Monitor the transfer progress to ensure all the photos are successfully copied to the ReadyNAS.
    5. Once the transfer is complete, you can access and manage your photos through the Netgear ReadyNAS RN4220 interface or by connecting to it from a computer on the same network.

    Note: The specific steps may vary depending on the camera model and the Netgear ReadyNAS RN4220 configuration. It is recommended to refer to the user manuals of your camera and the ReadyNAS for detailed instructions tailored to your specific devices.

  • What steps should I follow to set up the Netgear ReadyNAS RN4220 as a centralized storage solution for my digital camera photos?

    To set up the Netgear ReadyNAS RN4220 as a centralized storage solution for your digital camera photos, follow these steps:

    1. Unbox the Netgear ReadyNAS RN4220 and connect it to your network using an Ethernet cable.
    2. Power on the ReadyNAS by connecting it to a power source.
    3. Install the ReadyNAS software on your computer by inserting the installation CD or downloading it from the Netgear website.
    4. Launch the ReadyNAS software and follow the on-screen instructions to set up the initial configuration.
    5. Choose a RAID level for your storage. RAID 1 or RAID 5 is recommended for data redundancy and protection.
    6. Create a new volume on the ReadyNAS, specifying the desired size and settings.
    7. Set up user accounts and permissions to control access to the storage. Create a dedicated account for your digital camera photos.
    8. Connect your digital camera to your computer using a USB cable or use a memory card reader to transfer the photos to your computer.
    9. Copy the digital camera photos to the ReadyNAS by accessing it through the network. You can use the ReadyNAS software or map the network drive to your computer's file explorer.
    10. Organize the photos into folders on the ReadyNAS for easy management and retrieval.
    11. Set up automatic backup or synchronization from your digital camera to the ReadyNAS using software or tools provided by the camera manufacturer, if available.
    12. Enable media server features on the ReadyNAS to stream and access your photos on other devices like smart TVs or mobile devices.
    13. Periodically back up the ReadyNAS to an external storage device or cloud storage service to ensure data protection.
    14. Regularly update the firmware of the ReadyNAS to benefit from new features and security enhancements.

    By following these steps, you can effectively set up the Netgear ReadyNAS RN4220 as a centralized storage solution for your digital camera photos.

  • Can I access and view my saved photos on the Netgear ReadyNAS RN4220 remotely, and if so, what are the necessary configurations and steps to do so?

    Yes, you can access and view your saved photos on the Netgear ReadyNAS RN4220 remotely. To do so, you need to configure the following settings:

    1. Enable Remote Access: Log in to your ReadyNAS admin interface and go to the "Settings" tab. Under "Remote Access," enable the "ReadyCLOUD" option.
    2. Create a ReadyCLOUD Account: If you don't have a ReadyCLOUD account, click on the "Create Account" button and follow the instructions to set up an account.
    3. Configure Remote Access Permissions: Under "Remote Access," click on "Permission Settings." Ensure that the user account you want to access the photos with has the appropriate permissions to access the shared folders containing the photos.
    4. Set Up Port Forwarding: If you have a router/firewall, you need to configure port forwarding to allow remote access to your ReadyNAS. By default, the ReadyNAS uses port 443 for HTTPS access. Consult your router's manual or manufacturer's website for instructions on how to set up port forwarding.

    Once you have completed the configuration steps, follow these steps to access and view your saved photos remotely:

    1. Open a web browser on any device (PC, Mac, smartphone, etc.) and go to the ReadyCLOUD website (https://readycloud.netgear.com).
    2. Log in using your ReadyCLOUD account credentials.
    3. After logging in, you should see a list of ReadyNAS devices associated with your account. Click on the RN4220 to access its files.
    4. Navigate to the folder where your photos are stored and click on the desired photo to view it.

    Note: Make sure your ReadyNAS is powered on and connected to the internet for remote access to work. Additionally, ensure that your network and router/firewall configurations allow access to the ReadyNAS from outside your local network.

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