How to recover data from Synology RackStation RS4017xs+ 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 Synology RackStation RS4017xs+

Synology RackStation RS4017xs+ NAS Data Recovery in 2024

In this step-by-step tutorial, we’ll show you how to rebuild your RAID and recover data from RackStation RS4017xs+.

How to recover data from NAS Synology RackStation RS4017xs+

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 Synology 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 the use of deduplication or compression technologies impact data loss risks on NAS Synology RackStation RS4017xs+ devices?

Yes, the use of deduplication or compression technologies can impact data loss risks on NAS Synology RackStation RS4017xs+ devices. Deduplication technology eliminates duplicate data blocks within a storage system, reducing the amount of data that needs to be stored and improving storage efficiency. Compression technology reduces the size of data by encoding it in a more compact form.

While these technologies can provide benefits such as reducing storage requirements and improving performance, they also introduce potential risks. Data loss risks can arise from the complexity of deduplication and compression algorithms, which may lead to data corruption or loss if not implemented correctly. If the deduplication or compression algorithms encounter errors during the process, it could result in the loss of data or the inability to recover the original data.

Additionally, if the NAS device experiences a hardware failure or software issue, the deduplicated or compressed data may be more challenging to recover or restore compared to non-deduplicated or uncompressed data.

To mitigate these risks, it is essential to ensure that the deduplication or compression technologies are implemented correctly and regularly tested for data integrity. It is also crucial to have proper backup and disaster recovery strategies in place to ensure data can be recovered in case of any issues or failures.

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

Although NAS RackStation RS4017xs+ 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 Synology RackStation RS4017xs+. 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 Synology

How to recover data from a Synology

RackStation RS4017xs+ has 16 HDD slots, and it supports the following array types:

  • Synology Hybrid RAID (SHR);
  • RAID 6;
  • RAID 5;
  • RAID 10;
  • RAID 1;
  • RAID 0;
  • Basic;
  • JBOD;

NAS supports:

  • Btrfs;
  • EXT4;
  • EXT3 (External Disk Only);
  • FAT32 (External Disk Only);
  • exFAT (External Disk Only);
  • NTFS (External Disk Only);
  • HFS+ (External Disk Read Only);

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 Synology RackStation RS4017xs+ network-attached storage keeps DSM (DiskStation Manager) 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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  • 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 RackStation RS4017xs+, feel free to leave a comment!
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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 of the NAS Synology RackStation RS4017xs+ that make it suitable for use as a media center?

    The Synology RackStation RS4017xs+ is primarily designed as a high-performance NAS (Network Attached Storage) solution for businesses and large-scale data storage. While it may not be specifically marketed as a media center, it does have several key features that make it suitable for such use:

    1. High storage capacity: The RS4017xs+ can accommodate up to 40 hard drives, allowing for massive storage capacity. This is essential for storing large media libraries, including high-definition movies, TV shows, music, and more.
    2. Scalability: The NAS supports expansion units, allowing you to easily increase storage capacity as your media collection grows over time.
    3. Powerful hardware: The RS4017xs+ is equipped with a high-performance Intel Xeon processor and up to 64GB of RAM. This ensures smooth media streaming and transcoding, even with multiple users accessing the media center simultaneously.
    4. SSD caching: The NAS supports SSD caching, which can significantly improve read/write speeds. This is beneficial when streaming media files, as it reduces lag and buffering times.
    5. Advanced file sharing and streaming capabilities: Synology's DiskStation Manager (DSM) operating system offers various features for media streaming, including DLNA, Plex Media Server, and other multimedia applications. These features enable easy sharing and streaming of media content to various devices within your network.
    6. RAID support and data protection: The RS4017xs+ supports various RAID configurations, allowing you to set up redundancy and protect your media files against hard drive failures. This ensures that your media collection remains safe and accessible even if a drive fails.
    7. Network connectivity: The NAS provides multiple Gigabit Ethernet ports and supports link aggregation, which can enhance network performance and ensure smooth media streaming even with high bandwidth demands.

    While the RS4017xs+ may not have some specialized media center features like HDMI output or dedicated media player apps, it can serve as a powerful and flexible storage solution for hosting and streaming media content within a network.

  • How does the NAS Synology RackStation RS4017xs+ handle media streaming and transcoding capabilities?

    The Synology RackStation RS4017xs+ is designed to handle media streaming and transcoding capabilities efficiently. It supports various media streaming protocols such as DLNA, UPnP, and AirPlay, allowing you to stream media content to different devices including smart TVs, gaming consoles, and mobile devices.

    For media transcoding, the RS4017xs+ utilizes its powerful hardware capabilities. It is equipped with a high-performance Intel Xeon D-1541 8-core CPU and up to 64GB of DDR4 ECC RAM. This powerful hardware enables the NAS to transcode multiple streams simultaneously, converting media files into different formats and resolutions to ensure compatibility with different devices.

    The NAS runs on Synology's DiskStation Manager (DSM) operating system, which includes the Video Station and Media Server applications. Video Station allows you to organize and manage your media library, while Media Server enables you to stream media content to compatible devices. These applications provide an intuitive interface for managing and streaming media files.

    Additionally, Synology offers various mobile apps such as DS video, DS audio, and DS photo, which allow you to access and stream your media files on the go. These apps are available for both iOS and Android devices, providing a seamless streaming experience across different platforms.

    Overall, the RS4017xs+ offers robust media streaming and transcoding capabilities, making it suitable for media enthusiasts and professionals who require efficient and reliable media management and streaming solutions.

  • Are there any limitations or considerations to keep in mind when using the NAS Synology RackStation RS4017xs+ as a media center, such as file format compatibility or storage capacity?

    When using the NAS Synology RackStation RS4017xs+ as a media center, there are a few limitations and considerations to keep in mind:

    1. File Format Compatibility: The NAS supports a wide range of file formats, including popular ones like MP4, MKV, AVI, and more. However, it may not support certain proprietary or less common formats. It is recommended to check the compatibility list or test the specific file formats you intend to use.
    2. Transcoding Limitations: The RS4017xs+ has powerful hardware capabilities, including a high-end CPU and ample RAM. However, transcoding high-resolution or multiple video streams simultaneously may still pose a challenge. It is advisable to check the maximum transcoding capabilities of the NAS and ensure it meets your requirements.
    3. Storage Capacity: The RS4017xs+ is a rack-mounted NAS with up to 16 drive bays, providing significant storage capacity. However, the actual storage capacity will depend on the size of the drives you install and the RAID configuration you choose. It is essential to plan your storage requirements and consider the need for expansion in the future.
    4. Network Bandwidth: Streaming media from the NAS to various devices requires a stable and sufficient network bandwidth. If multiple users are accessing media simultaneously or if you plan to stream high-definition content, ensure that your network infrastructure can handle the required bandwidth.
    5. User Interface: Synology DSM (DiskStation Manager) is the operating system of the NAS, providing a user-friendly interface. However, setting up and configuring the media center features may require some technical knowledge. Familiarize yourself with the DSM interface and its media-related features to optimize your media center experience.
    6. Third-Party Applications: Synology NAS devices offer various third-party applications for media management, such as Plex, Emby, or Video Station. While these applications enhance the media center capabilities, they may have their own limitations or compatibility issues. Research and choose the appropriate application based on your specific needs.

    Overall, the Synology RackStation RS4017xs+ can serve as a powerful media center, but it is important to consider these limitations and plan accordingly to ensure optimal performance and compatibility.

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