How to recover data from Seagate Exos AP 4U100 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 Seagate Exos AP 4U100

Seagate Exos AP 4U100 NAS Data Recovery in 2024

In this step-by-step tutorial, we’ll show you how to rebuild your RAID and recover data from Exos AP 4U100.

How to recover data from NAS Seagate Exos AP 4U100

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 Seagate 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 specific data compression or deduplication techniques impact the performance and data integrity on NAS Seagate Exos AP 4U100 devices?

Yes, the use of specific data compression or deduplication techniques can impact the performance and data integrity on NAS Seagate Exos AP 4U100 devices.

Data compression techniques aim to reduce the size of data by removing redundancies, which can lead to improved storage efficiency. However, the compression process requires computational resources, such as CPU power, to compress and decompress data. If the compression algorithm used is resource-intensive, it can impact the overall performance of the NAS device, especially during read and write operations.

Similarly, deduplication techniques identify and eliminate duplicate data, saving storage space. Deduplication requires additional processing power and memory to compare and identify duplicates, which can also impact the performance of the NAS device.

Moreover, data integrity can be affected if the compression or deduplication process is not implemented correctly. If data is compressed or deduplicated improperly, it may result in data corruption or loss. Therefore, it is crucial to choose reliable and efficient compression and deduplication techniques and ensure they are properly configured and tested to maintain data integrity.

In summary, while data compression and deduplication can offer storage efficiency benefits, their impact on performance and data integrity should be carefully considered and evaluated when using NAS Seagate Exos AP 4U100 devices.

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

Although NAS Exos AP 4U100 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 Seagate Exos AP 4U100. 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 Seagate

How to recover data from a Seagate

Exos AP 4U100 has 100 HDD slots, and it supports the following array types:

  • RAID 0;
  • RAID 1;
  • RAID 5;
  • RAID 6;
  • RAID 50;
  • RAID 60;
  • 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 Seagate Exos AP 4U100 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 Exos AP 4U100, feel free to leave a comment!
  • Chester Crawley
    Chester Crawley 23.08.2023 01:47 #
    Is the order of disks in a NAS Seagate Exos AP 4U100 important for a RAID array?
    • Hetman Software
      Hetman Software 23.08.2023 03:01 #

      Yes, the order of disks in a NAS (Network Attached Storage) system is important for a RAID (Redundant Array of Independent Disks) array. In a RAID configuration, the order of the disks determines the way data is distributed and stored across the drives.

      Different RAID levels, such as RAID 0, RAID 1, RAID 5, etc., have different disk configurations and data distribution methods. For example, in RAID 0, data is striped across multiple disks for increased performance, while in RAID 1, data is mirrored across drives for redundancy.

      When setting up a RAID array, it is important to follow the manufacturer's instructions or RAID controller's guidelines to ensure the disks are connected and arranged correctly. Incorrect disk order can result in data loss, performance degradation, or failure of the RAID array.

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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 does the NAS Seagate Exos AP 4U100 compare to other storage solutions in terms of performance and capacity for storing video game data?

    The NAS Seagate Exos AP 4U100 is a high-performance storage solution specifically designed for data-intensive applications, including video game data storage. It offers several advantages compared to other storage solutions:

    1. Capacity: The Exos AP 4U100 is a 4U rackmount NAS that supports up to 100 hard drives, providing massive storage capacity. It can accommodate both HDDs and SSDs, allowing for flexible configuration options based on your needs.
    2. Performance: This NAS is built with enterprise-grade hardware, including powerful processors and ample memory, enabling it to deliver high-performance data processing and storage capabilities. It supports multiple RAID configurations for data redundancy and improved performance.
    3. Scalability: With support for up to 100 drives, the Exos AP 4U100 offers exceptional scalability. As your storage requirements grow, you can easily expand the capacity by adding more drives, ensuring you have enough space to store large video game files.
    4. Reliability: Seagate is a renowned brand known for its reliable storage solutions. The Exos AP 4U100 is designed for 24/7 operation and is equipped with advanced features like fault tolerance, hot-swappable drives, and redundant power supplies to minimize downtime and ensure data integrity.
    5. Management and Data Protection: This NAS comes with powerful management software that allows for easy configuration, monitoring, and maintenance of the storage system. It also supports various data protection features like snapshotting, replication, and encryption to safeguard your video game data.

    Overall, the NAS Seagate Exos AP 4U100 offers exceptional performance, scalability, and reliability for storing video game data. Its high capacity and advanced features make it an ideal choice for gaming companies or enthusiasts who require large-scale storage solutions.

  • What are the key features and specifications of the NAS Seagate Exos AP 4U100 that make it suitable for storing large amounts of video game data?

    The Seagate Exos AP 4U100 is a Network Attached Storage (NAS) solution designed for high-capacity storage needs, making it suitable for storing large amounts of video game data. Here are its key features and specifications:

    1. Massive Storage Capacity: The Exos AP 4U100 offers a massive storage capacity of up to 1.3 petabytes (PB), which is equivalent to 1,300 terabytes (TB). This allows it to accommodate a vast amount of video game data, including game files, updates, patches, and downloadable content.
    2. High Performance: It features a high-performance architecture with up to 18 gigabytes per second (GB/s) sequential throughput, enabling fast data transfer and access. This ensures smooth gameplay experiences and reduces loading times.
    3. Scalability: The NAS is highly scalable, allowing for easy expansion as storage needs grow. It supports up to 106 hard disk drives (HDDs) or solid-state drives (SSDs), providing flexibility to accommodate increasing amounts of video game data.
    4. Redundancy and Data Protection: The Exos AP 4U100 incorporates advanced redundancy and data protection features. It supports RAID configurations (such as RAID 0, 1, 5, 6, 10) to protect against data loss in case of drive failures. Additionally, it includes hot-swappable drive bays for easy maintenance and uninterrupted operation.
    5. High Availability: It is designed for high availability, ensuring minimal downtime. Dual redundant power supplies and hot-swappable fans contribute to the system's reliability and continuous operation.
    6. Enterprise-grade Reliability: The NAS is built with enterprise-grade components and firmware, offering enhanced reliability and durability. It includes features like end-to-end data protection and advanced error correction algorithms to maintain data integrity.
    7. Easy Management: The Exos AP 4U100 comes with a user-friendly management interface, allowing easy setup, configuration, and monitoring of the storage system. It also supports various management protocols and offers remote management capabilities.
    8. Data Security: It provides built-in security features, including secure access control, user authentication, and data encryption options. These features help protect the stored video game data from unauthorized access or data breaches.

    Overall, the Seagate Exos AP 4U100 offers massive storage capacity, high performance, scalability, data protection, and reliability, making it a suitable NAS solution for storing large amounts of video game data.

  • How does the NAS Seagate Exos AP 4U100 ensure data integrity and reliability for video game storage, especially considering the frequent read and write operations associated with gaming?

    The NAS Seagate Exos AP 4U100 ensures data integrity and reliability for video game storage through several mechanisms:

    1. Redundant Array of Independent Disks (RAID): The NAS supports various RAID configurations, such as RAID 0, 1, 5, 6, 10, 50, and 60. RAID provides data redundancy and enhances reliability by distributing data across multiple drives, allowing for data recovery in case of drive failures.
    2. Error Correction Code (ECC) RAM: The NAS is equipped with ECC RAM, which detects and corrects errors in memory. ECC RAM helps prevent data corruption during read and write operations, ensuring the accuracy and integrity of the stored game data.
    3. Advanced Data Protection: The NAS employs advanced data protection features like end-to-end data protection, which ensures data integrity throughout the entire data path. It also includes built-in power loss protection mechanisms to safeguard against data loss during sudden power outages.
    4. High-Quality Components: The NAS utilizes enterprise-grade components, including Seagate Exos hard drives, which are specifically designed for high-performance and reliability. These drives are built to withstand heavy workloads, including frequent read and write operations associated with gaming, ensuring long-term data integrity.
    5. Scalability and Flexibility: The NAS supports expansion units, allowing for easy scalability as gaming storage requirements grow. This scalability ensures that data is distributed across multiple drives, reducing the load on individual drives and improving overall reliability.
    6. Data Scrubbing and Self-Healing: The NAS employs data scrubbing techniques that periodically check the integrity of stored data. If any inconsistencies or errors are detected, the NAS initiates a self-healing process that corrects the errors and ensures the integrity of the data.

    Overall, the combination of RAID configurations, ECC RAM, advanced data protection features, high-quality components, scalability, and data scrubbing/self-healing mechanisms in the NAS Seagate Exos AP 4U100 ensures data integrity and reliability for video game storage, even in the face of frequent read and write operations.

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