Recovering Data from NAS Synology ioSafe 1522+ RAID Arrays: Natural Component Wear Issues

Natural component wear can cause ⭐ NAS RAID array failures. Learn how to recover your data.

Recovering Data from NAS Synology ioSafe 1522+ RAID Arrays: Natural Component Wear Issues

Synology ioSafe 1522+ NAS Data Recovery in 2024

In this step-by-step tutorial, we’ll show you how to rebuild your RAID and recover data from ioSafe 1522+.

Recovering Data from NAS Synology ioSafe 1522+ RAID Arrays: Natural Component Wear Issues

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.

What are the risks of data loss due to firmware or software malfunctions in NAS Synology ioSafe 1522+ devices?

The risks of data loss due to firmware or software malfunctions in NAS Synology ioSafe 1522+ devices include:

  1. Corrupted data: Firmware or software malfunctions can lead to data corruption, making files unreadable or inaccessible.
  2. System crashes: Malfunctions can cause the NAS device to crash, resulting in data loss if the data is not properly saved or backed up.
  3. File system errors: Firmware or software issues can cause file system errors, leading to data loss or inaccessibility.
  4. Data integrity issues: Malfunctions can compromise the integrity of the stored data, resulting in data loss or incorrect data interpretation.
  5. Data deletion: In some cases, firmware or software malfunctions can cause unintentional data deletion or overwrite, leading to permanent data loss.
  6. Failed backups: If the firmware or software malfunctions during a backup process, it may result in incomplete or failed backups, leaving the data vulnerable to loss.
  7. RAID issues: The Synology ioSafe 1522+ supports RAID configurations for data redundancy. However, firmware or software malfunctions can disrupt the RAID system, leading to data loss or reduced redundancy.
  8. Inability to access data: Malfunctions can render the NAS device inaccessible, making it difficult or impossible to retrieve the stored data.

To mitigate these risks, it is crucial to regularly update the firmware and software of the NAS device, maintain proper backups, and implement data redundancy measures.

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

Although NAS ioSafe 1522+ 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 ioSafe 1522+. 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

ioSafe 1522+ has 5 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 ioSafe 1522+ 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 ioSafe 1522+, 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 recommended methods or software for streaming audio files to a NAS Synology ioSafe 1522+?

    There are several methods and software options for streaming audio files to a NAS Synology ioSafe 1522+. Here are a few recommended options:

    1. Synology Audio Station: The Synology Audio Station is a built-in application that allows you to stream audio files directly from your NAS. It supports various audio formats and offers features like playlist creation, internet radio, and remote access.
    2. Plex Media Server: Plex is a popular media server software that can be installed on your Synology NAS. It allows you to organize and stream your audio files to various devices, including smartphones, tablets, and smart TVs. Plex also offers features like automatic metadata retrieval and transcoding for compatibility with different devices.
    3. Logitech Media Server: Logitech Media Server (formerly known as Squeezebox Server) is another option for streaming audio files to your NAS. It supports a wide range of audio formats and can be used with Logitech Squeezebox devices or other compatible players. Logitech Media Server can be installed as a package on your Synology NAS.
    4. Subsonic: Subsonic is a media streaming server that can be installed on your NAS to stream audio files. It offers a web-based interface and supports various audio formats. Subsonic also provides features like playlist creation, podcast streaming, and mobile apps for remote access.

    These are just a few examples, and there are other software options available depending on your specific requirements and preferences. It's recommended to check the official websites of these software applications for compatibility and installation instructions on your Synology ioSafe 1522+.

  • How can I ensure smooth playback and minimize buffering issues when streaming audio files to the NAS Synology ioSafe 1522+?

    To ensure smooth playback and minimize buffering issues when streaming audio files to the NAS Synology ioSafe 1522+, you can follow these steps:

    1. Network Connection: Ensure that your NAS and streaming device are connected to a stable and high-speed network. Use a wired Ethernet connection instead of relying on Wi-Fi to minimize potential network interference and latency.
    2. NAS Performance: Optimize the performance of your NAS by ensuring that it has sufficient processing power, memory, and storage capacity. Consider upgrading the NAS hardware if necessary.
    3. File Formats: Make sure that the audio files you are streaming are in a compatible format supported by the Synology ioSafe 1522+. Check the NAS documentation or website for the supported audio file formats.
    4. Transcoding: If you are streaming audio files in a format not supported by the NAS, enable transcoding on the Synology NAS. This feature converts the audio files into a compatible format on-the-fly, reducing buffering issues.
    5. Bandwidth Management: Prioritize your streaming traffic by setting up Quality of Service (QoS) or bandwidth management on your router. This ensures that streaming audio traffic gets sufficient bandwidth and reduces the chances of buffering due to network congestion.
    6. Buffer Size: Adjust the buffer size settings on your streaming device or media player to increase the amount of audio data buffered before playback starts. A larger buffer size can help compensate for any temporary network fluctuations and provide a smoother playback experience.
    7. Update Firmware: Keep your Synology NAS firmware up to date to ensure that you have the latest bug fixes and performance improvements. Check the Synology website for any available firmware updates.
    8. Disable Other Services: If you are experiencing buffering issues, consider temporarily disabling other resource-intensive services running on your NAS, such as file indexing, backup tasks, or media server transcoding. This can free up system resources and improve streaming performance.
    9. Test with Different Players: Try using different audio streaming applications or media players to see if the buffering issues persist. Some players may have better buffering algorithms or network optimization features.
    10. Monitor Network Performance: Use network monitoring tools or built-in NAS performance monitoring features to identify any bottlenecks or network issues that may be causing buffering problems. This can help you pinpoint and resolve the root cause of the issue.

    By following these steps, you should be able to ensure smooth playback and minimize buffering issues when streaming audio files to the NAS Synology ioSafe 1522+.

  • Are there any specific settings or configurations that need to be done on the NAS Synology ioSafe 1522+ to optimize audio streaming performance?

    There are a few settings and configurations you can consider to optimize audio streaming performance on the Synology ioSafe 1522+ NAS:

    1. Enable Link Aggregation: If your NAS supports link aggregation, you can combine multiple network interfaces to increase bandwidth and improve data transfer speeds. This can be beneficial for streaming large audio files.
    2. Enable Jumbo Frames: Enabling jumbo frames allows for larger data packets to be transferred, which can reduce the overhead associated with smaller packets. This can improve streaming performance, especially for high-quality audio files.
    3. Configure Quality of Service (QoS): QoS settings allow you to prioritize network traffic for specific applications or services. You can prioritize audio streaming traffic to ensure a smooth and uninterrupted streaming experience.
    4. Enable SSD Cache: If your Synology NAS supports SSD caching, consider adding SSDs to cache frequently accessed audio files. This can significantly improve read speeds and reduce latency, resulting in faster audio streaming.
    5. Optimize Network Settings: Ensure that your network infrastructure is optimized for streaming performance. Use high-quality Ethernet cables, ensure proper network configuration, and consider using a wired connection instead of wireless for improved stability.
    6. Use a Dedicated Audio Streaming App: Install a dedicated audio streaming app on your NAS, such as Audio Station or Plex, to optimize audio playback and ensure compatibility with various audio formats.
    7. Update Firmware: Regularly update the NAS firmware to ensure you have the latest performance improvements and bug fixes.

    Remember that the actual performance will also depend on the network environment, client devices, and the audio streaming application you are using.

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