How to Recover Data from NAS Synology DiskStation DS415+ / DS415play RAID Arrays with Natural Component Wear

Recovering data after natural component wear in ⭐ NAS RAID arrays: essential recovery steps.

How to Recover Data from NAS Synology DiskStation DS415+ / DS415play RAID Arrays with Natural Component Wear

Synology DiskStation DS415+ / DS415play NAS Data Recovery in 2024

In this step-by-step tutorial, we’ll show you how to rebuild your RAID and recover data from DiskStation DS415+ / DS415play.

How to Recover Data from NAS Synology DiskStation DS415+ / DS415play RAID Arrays with Natural Component Wear

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 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 implementing user quotas or permissions help prevent accidental data loss on NAS Synology DiskStation DS415+ / DS415play devices?

Yes, implementing user quotas and permissions can help prevent accidental data loss on NAS Synology DiskStation DS415+ / DS415play devices.

User quotas allow you to limit the amount of storage space that each user can consume on the NAS device. By setting appropriate quotas for each user, you can prevent them from accidentally filling up the entire storage capacity and causing data loss.

Permissions, on the other hand, control the access rights of users to specific files and folders on the NAS device. By assigning appropriate permissions, you can ensure that users only have access to the files and folders they need and prevent them from accidentally modifying or deleting important data.

By combining user quotas and permissions, you can create a secure environment where users are restricted in their ability to accidentally delete or modify data. This helps to minimize the risk of accidental data loss on NAS devices like Synology DiskStation DS415+ / DS415play.

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

Although NAS DiskStation DS415+ / DS415play 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 DiskStation DS415+ / DS415play. 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

DiskStation DS415+ / DS415play has 4 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 DiskStation DS415+ / DS415play 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 DiskStation DS415+ / DS415play, 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 and specifications of the Synology DiskStation DS415+ and DS415play that make them suitable for video streaming purposes?

    The Synology DiskStation DS415+ and DS415play are both suitable for video streaming purposes due to their key features and specifications:

    1. Hardware Transcoding: Both models are equipped with a dedicated hardware transcoding engine that can convert video files into various formats and resolutions. This allows for smooth and efficient streaming of videos to different devices.
    2. Processor and Memory: The DS415+ is powered by an Intel Atom quad-core processor and comes with 2GB of RAM (expandable up to 8GB), while the DS415play has a dual-core Intel Atom processor and 1GB of RAM. These powerful processors and sufficient memory ensure smooth video streaming and transcoding.
    3. RAID Support: Both models support RAID configurations, allowing for data redundancy and protection. This is crucial for storing and streaming large video files, ensuring that data is not lost in case of a hard drive failure.
    4. Storage Capacity: The DS415+ and DS415play can accommodate up to four hard drives, providing ample storage capacity for storing a large collection of videos. The maximum storage capacity depends on the size of the hard drives used.
    5. DiskStation Manager (DSM): Synology's DSM is an intuitive and user-friendly operating system that powers the DiskStation devices. It offers various multimedia applications, such as Video Station and Plex, which make it easy to organize, stream, and share videos across different devices.
    6. Network Connectivity: Both models support Gigabit Ethernet ports for fast and reliable network connectivity. This ensures smooth streaming of high-definition videos without buffering or interruptions.
    7. Mobile Apps: Synology offers mobile apps for iOS and Android devices, allowing users to stream videos directly to their smartphones or tablets. These apps also provide remote access to the DiskStation, enabling users to manage and stream videos from anywhere.

    Overall, the combination of hardware transcoding, powerful processors, ample storage capacity, RAID support, and user-friendly software make the Synology DiskStation DS415+ and DS415play suitable for video streaming purposes.

  • How does the Synology DiskStation DS415+ / DS415play provide support for video streaming, and what are the supported video formats and codecs?

    The Synology DiskStation DS415+ and DS415play provide support for video streaming through their built-in media server applications. These applications include Video Station and Plex, which allow users to stream videos to various devices such as computers, smartphones, and smart TVs.

    The supported video formats and codecs vary depending on the media server application used. However, both Video Station and Plex support a wide range of popular video formats and codecs, including:

    1. Video Formats: MP4, MKV, AVI, MOV, WMV, FLV, and more.
    2. Video Codecs: H.264 (AVC), H.265 (HEVC), MPEG-2, VC-1, DivX, Xvid, and more.

    Additionally, both media server applications can transcode videos on-the-fly to ensure compatibility with different devices. Transcoding converts the video to a format and codec supported by the device being used for streaming. This feature allows users to stream videos to devices that may not natively support certain formats or codecs.

    It's important to note that the specific supported formats and codecs may vary depending on the version of the media server application and the firmware installed on the DiskStation. It is always recommended to check the official Synology website or the user manual for the most up-to-date information on supported video formats and codecs.

  • Can the Synology DiskStation DS415+ / DS415play handle multiple simultaneous video streams without any performance issues, and what are the recommended network requirements for optimal video streaming experience?

    The Synology DiskStation DS415+ and DS415play are capable of handling multiple simultaneous video streams without any performance issues.

    The DS415+ is equipped with a quad-core Intel Atom processor and 2GB of RAM, while the DS415play has a dual-core Intel Atom processor and 1GB of RAM. Both models have hardware transcoding capabilities, which allow them to convert video formats on-the-fly, reducing the load on the CPU and ensuring smooth playback.

    To achieve an optimal video streaming experience, the recommended network requirements include:

    1. Wired Gigabit Ethernet: Connect the DiskStation directly to your router or switch using a Gigabit Ethernet cable. This ensures a stable and high-speed connection, minimizing buffering and lag during video streaming.
    2. Quality of Service (QoS): Enable QoS on your router to prioritize network traffic for video streaming. This helps to prevent other devices or activities on the network from affecting the streaming performance.
    3. Router Performance: Use a high-performance router that can handle multiple concurrent connections and has a strong Wi-Fi signal. This ensures a stable and reliable connection to the DiskStation.
    4. Network Bandwidth: Ensure that your internet connection has sufficient bandwidth to handle multiple video streams. Higher quality videos and more concurrent streams will require more bandwidth. A minimum of 10 Mbps per stream is recommended for smooth streaming of HD videos.
    5. Client Device: Use devices that support the video formats and codecs used by the DiskStation. This ensures compatibility and smooth playback. Some devices may require transcoding, which can put additional strain on the DiskStation's resources.

    By meeting these network requirements, you can ensure an optimal video streaming experience with the Synology DiskStation DS415+ or DS415play, even with multiple simultaneous video streams.

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