How to Restore Lost Data from a NAS Lenovo ThinkSystem SR250 Rack Server Device

Accidentally deleted data on your ⭐ NAS? Our guide offers step-by-step instructions for retrieval.

How to Restore Lost Data from a NAS Lenovo ThinkSystem SR250 Rack Server Device

Lenovo ThinkSystem SR250 Rack Server NAS Data Recovery in 2024

In this step-by-step tutorial, we’ll show you how to rebuild your RAID and recover data from ThinkSystem SR250 Rack Server.

How to Restore Lost Data from a NAS Lenovo ThinkSystem SR250 Rack Server Device

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 Lenovo 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 inadequate cooling or high ambient temperatures impact data loss risks for NAS Lenovo ThinkSystem SR250 Rack Server devices?

Yes, inadequate cooling or high ambient temperatures can impact data loss risks for NAS Lenovo ThinkSystem SR250 Rack Server devices. These servers generate a significant amount of heat while operating, and if the cooling system is not sufficient or the ambient temperature is too high, it can lead to overheating of the server components.

Overheating can cause various issues that can result in data loss, such as:

  1. Hard Drive Failure: Excessive heat can damage the hard drives in the server, leading to data loss or corruption.
  2. CPU and Memory Issues: High temperatures can affect the performance and reliability of the CPU and memory modules, potentially causing system crashes or data corruption.
  3. Power Supply Problems: Inadequate cooling can strain the power supply unit (PSU) and cause it to fail. A PSU failure can lead to sudden power loss, which can result in data loss or file system corruption.
  4. System Instability: Overheating can cause the server to become unstable, leading to unexpected system shutdowns or freezes, which can result in data loss if files are being accessed or modified at the time.

To mitigate these risks, it is important to ensure proper cooling and temperature control in the server room or data center. This can be achieved by maintaining adequate airflow, using efficient cooling systems, and monitoring the ambient temperature regularly.

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

Although NAS ThinkSystem SR250 Rack Server 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 Lenovo ThinkSystem SR250 Rack Server. 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 Lenovo

How to recover data from a Lenovo

ThinkSystem SR250 Rack Server has 16 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 Lenovo ThinkSystem SR250 Rack Server network-attached storage keeps LifeLine 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 ThinkSystem SR250 Rack Server, feel free to leave a comment!
  • Jeffery Carling
    Jeffery Carling 22.08.2023 10:56 #
    Can data recovery from a NAS Lenovo ThinkSystem SR250 Rack Server device be performed if there are issues with the firmware or device settings?
    • Hetman Software
      Hetman Software 22.08.2023 11:00 #

      Data recovery from a NAS Lenovo ThinkSystem SR250 Rack Server device can be challenging if there are issues with the firmware or device settings. In such cases, it is recommended to contact a professional data recovery service provider with expertise in NAS systems.

      These service providers have specialized tools and knowledge to handle complex data recovery scenarios. They can work directly with the NAS device and its firmware to recover data even if there are problems with the device settings or firmware.

      It is important to note that attempting data recovery without proper expertise or tools can potentially worsen the situation and lead to permanent data loss. Therefore, it is best to seek professional assistance for data recovery from a NAS Lenovo ThinkSystem SR250 Rack Server device.

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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 steps involved in connecting to a NAS on a Lenovo ThinkSystem SR250 Rack Server?

    To connect to a NAS (Network Attached Storage) on a Lenovo ThinkSystem SR250 Rack Server, you can follow these steps:

    1. Ensure that the NAS device is properly connected to the network and powered on.
    2. Connect your computer or laptop to the same network as the NAS device.
    3. Open a web browser on your computer and enter the IP address of the NAS device. The IP address can usually be found in the documentation or on the NAS device itself.
    4. You will be prompted to enter a username and password to access the NAS device. Enter the appropriate credentials to log in.
    5. Once logged in, you will be presented with the NAS device's web interface or management console. This interface may vary depending on the brand and model of the NAS device.
    6. In the management console, navigate to the "Network" or "Storage" settings. Look for options related to connecting to the NAS or configuring network shares.
    7. Select the option to add a new network share or storage device.
    8. Enter the necessary information, such as the IP address or hostname of the Lenovo ThinkSystem SR250 Rack Server, the desired share or storage name, and any authentication details if required.
    9. Save the settings and wait for the NAS device to establish a connection with the Lenovo ThinkSystem SR250 Rack Server.
    10. Once the connection is established, you should be able to access the NAS storage from your computer or other devices on the network. This can usually be done by mapping the network drive or accessing the NAS device through its IP address or hostname.

    Note: The specific steps may vary depending on the NAS device's brand, model, and firmware version. It is recommended to refer to the NAS device's documentation for detailed instructions on connecting to it.

  • What are the network requirements for connecting to a NAS on a Lenovo ThinkSystem SR250 Rack Server?

    To connect to a Network Attached Storage (NAS) on a Lenovo ThinkSystem SR250 Rack Server, the following network requirements should be considered:

    1. Network Interface Cards (NICs): The server should have one or more Ethernet NICs to connect to the network. The SR250 typically comes with two onboard Gigabit Ethernet ports, but additional NICs can be added if required.
    2. Network Protocol: The NAS can be accessed over various network protocols such as TCP/IP, NFS (Network File System), SMB (Server Message Block), or iSCSI (Internet Small Computer System Interface). Ensure that the server and NAS are configured to use compatible protocols.
    3. Network Speed: The server's NICs should have sufficient network speed to handle the desired data transfer rates. Gigabit Ethernet is commonly used, but consider higher speeds like 10 Gigabit Ethernet if faster data transfer is required.
    4. Network Switch: A network switch is needed to connect the server's NICs to the network. Ensure that the switch has enough available ports and supports the desired network speed.
    5. IP Addressing: Assign an appropriate IP address to the server, either manually or through DHCP (Dynamic Host Configuration Protocol). This IP address will be used to access the NAS.
    6. Subnet Configuration: Ensure that the server and NAS are on the same subnet or have appropriate routing configured if they are on different subnets.
    7. Firewall and Security: Configure any firewalls or security settings to allow access to the NAS. This may involve opening specific ports or enabling protocols like SMB or NFS.
    8. Network Cabling: Use appropriate Ethernet cabling (such as Cat5e, Cat6, or Cat6a) to connect the server's NICs to the network switch.

    It is important to consult the specific documentation and guidelines provided by Lenovo for the ThinkSystem SR250 Rack Server and the NAS being used for detailed instructions and best practices.

  • Can you provide a step-by-step guide on configuring and accessing a NAS on a Lenovo ThinkSystem SR250 Rack Server?

    Sure! Here is a step-by-step guide on configuring and accessing a NAS on a Lenovo ThinkSystem SR250 Rack Server:

    1. Connect the Lenovo ThinkSystem SR250 Rack Server to your network using an Ethernet cable.
    2. Power on the server and wait for it to boot up.
    3. Once the server has booted up, log in to the server's operating system using the provided credentials.
    4. Open a web browser on your computer and enter the IP address of the Lenovo ThinkSystem SR250 Rack Server in the address bar.
    5. You will be redirected to the server's web-based management interface. Log in to the interface using the provided credentials.
    6. In the management interface, navigate to the "Storage" or "NAS" section.
    7. Create a new storage pool or volume by following the on-screen instructions. Specify the desired size and RAID level for the storage pool.
    8. Once the storage pool or volume is created, you can create shared folders or directories within it. Specify the desired access permissions for each shared folder.
    9. Configure any additional settings such as user accounts, network settings, and security settings as per your requirements.
    10. Once the NAS configuration is complete, you can access it from other devices on your network. Open the file explorer on your computer or any other device and enter the IP address of the Lenovo ThinkSystem SR250 Rack Server in the address bar.
    11. You should see the shared folders or directories that you created earlier. Double-click on a shared folder to access its contents.
    12. You can now copy, move, or modify files within the shared folders as needed.

    That's it! You have successfully configured and accessed a NAS on a Lenovo ThinkSystem SR250 Rack Server.

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