What is SSH (Secure Shell) and how does it work in the context of network communication and remote access?

SSH (Secure Shell) is a cryptographic network protocol that provides secure communication and remote access over an unsecured network. It is commonly used for secure remote administration of network devices and secure file transfers.In the context of network communication, SSH works by establishing a secure connection between a client and a server. This connection is encrypted, ensuring that the data transmitted between the two parties remains confidential and cannot be intercepted by unauthorized individuals. SSH uses public-key cryptography to authenticate the server and the client, ensuring that both parties can trust each other.When a client wants to establish an SSH connection with a server, it initiates a handshake process. During this process, the server sends its public key to the client, which the client uses to encrypt a random session key. The encrypted session key is then sent back to the server, which decrypts it using its private key. Once the session key is exchanged, both the client and the server use it to encrypt and decrypt the data transmitted between them.SSH also provides features like port forwarding, which allows users to securely access services on a remote server as if they were running on their own machine. It also supports various authentication methods, including password-based authentication, public key authentication, and two-factor authentication, providing flexibility and enhanced security options.Overall, SSH is a widely used protocol for secure network communication and remote access, ensuring confidentiality, integrity, and authentication of data exchanged between clients and servers.

How does the NAS Infortrend EonStor DS 2016 utilize SSH protocol to ensure secure data transfer and management?

The NAS Infortrend EonStor DS 2016 utilizes the SSH (Secure Shell) protocol to ensure secure data transfer and management in the following ways:Secure Remote Access: SSH provides secure remote access to the NAS system. Users can securely log in to the system remotely using SSH and perform various management tasks without the need for physical access to the device.Encrypted Data Transfer: When transferring data between the NAS system and client devices, SSH encrypts the data to prevent unauthorized access. This ensures that data remains confidential and protected during transmission.Authentication and Access Control: SSH protocol supports various authentication methods, including password-based authentication and public key authentication. This ensures that only authorized users can access the NAS system and perform management tasks.Secure Shell Tunneling: SSH supports tunneling capabilities, allowing users to create secure channels for transferring data between remote systems. This feature can be used to securely transfer data between the NAS system and other devices, even over untrusted networks.Secure File Transfer: The SSH protocol includes the Secure File Transfer Protocol (SFTP), which provides a secure alternative to traditional FTP for transferring files to and from the NAS system. SFTP encrypts the data during transfer, ensuring its confidentiality and integrity.By leveraging the SSH protocol, the NAS Infortrend EonStor DS 2016 ensures that data transfer and management operations are secured, protecting sensitive information from unauthorized access and potential threats.

Can you explain the specific features and functionalities of SSH implemented in the NAS Infortrend EonStor DS 2016, and how it enhances the overall security of the system?

The NAS Infortrend EonStor DS 2016 implements SSH (Secure Shell) as a secure remote management protocol. SSH provides encrypted communication between a client and server, ensuring the confidentiality and integrity of data transferred over a network.Specific features and functionalities of SSH implemented in the NAS Infortrend EonStor DS 2016 include:Secure Authentication: SSH uses public-key cryptography or password-based authentication to verify the identity of the client connecting to the NAS. This prevents unauthorized access to the system.Encryption: All data transmitted over SSH is encrypted, protecting it from eavesdropping and tampering. Encryption algorithms like AES (Advanced Encryption Standard) are used to secure the communication.Secure File Transfer: SSH allows secure file transfer between the client and the NAS using protocols like SCP (Secure Copy) or SFTP (SSH File Transfer Protocol). These protocols ensure the confidentiality and integrity of transferred files.Secure Remote Management: SSH enables administrators to remotely manage the NAS using a command-line interface (CLI) or remote shell. This allows for secure configuration, monitoring, and troubleshooting of the system without the need for physical access.Port Forwarding: SSH supports port forwarding, allowing secure access to other services running on the NAS. This feature enables administrators to securely access web interfaces, databases, or other applications hosted on the NAS.The implementation of SSH in the NAS Infortrend EonStor DS 2016 enhances the overall security of the system in several ways:Confidentiality: By encrypting all data transmitted over the network, SSH prevents unauthorized users from intercepting sensitive information, such as login credentials or transferred files.Authentication: SSH uses strong authentication mechanisms, such as public-key cryptography, to verify the identity of clients connecting to the NAS. This prevents unauthorized access to the system and protects against password-based attacks.Integrity: The encryption provided by SSH ensures that data transferred between the client and NAS cannot be tampered with during transmission. This protects against data manipulation or unauthorized modifications.Secure Remote Access: SSH allows administrators to securely manage the NAS remotely, reducing the need for physical access to the system. This enhances convenience while maintaining the security of the management interface.Overall, the implementation of SSH in the NAS Infortrend EonStor DS 2016 ensures secure and encrypted communication, secure remote management, and protection against unauthorized access, thereby enhancing the system's overall security.

Choosing Data Recovery Software for Lost NAS Infortrend EonStor DS 2016: Complete Guide

Name: How to recover data from a Infortrend
Uploaded: 2025-10-16T08:53:56+03:00
Description: How to recover data from a Infortrend

Has your NAS Infortrend EonStor DS 2016 suddenly lost its network drive and you’re unsure what to do next? Did the RAID array collapse, making your files inaccessible? Is the device throwing errors during startup? Perhaps you accidentally rebuilt the RAID array or several hard drives failed at the same time?

Choosing Data Recovery Software for Lost NAS Infortrend EonStor DS 2016: Complete Guide

Data Recovery Tool

Infortrend EonStor DS 2016 NAS Data Recovery in 2025

In this step-by-step tutorial, we’ll show you how to rebuild your RAID and recover data from an EonStor DS 2016. We’ll walk through the most common causes of failure and demonstrate proven methods to restore files from a lost or degraded RAID array.

Contents

Why Regular Data Recovery Tools Can’t Restore Files from RAID
Key Information About the NAS Infortrend EonStor DS 2016
How to Remove Hard Disks from Your NAS and Connect Them to a PC

RAID Recovery™ 2.8

Recover data from damaged RAID arrays inaccessible from a computer.

Download

Why Regular Data Recovery Tools Can’t Restore Files from RAID

Conventional hard drives store user data by writing it sequentially across the disk surface, which means an entire file is typically located on a single drive. In contrast, when data is written to a RAID array, each file is split into multiple fragments. These fragments are then distributed and written in sequence across all the drives in the array. Depending on the configuration, fragment sizes can range from 2 KB to 2 MB, so every file is physically stored across several disks at once.

This approach significantly increases read and write performance — after all, writing two halves of a 1 GB file to two drives simultaneously is much faster than writing the full 1 GB to a single disk. However, this same mechanism makes file recovery far more complex.

Different RAID levels use different methods to distribute and protect data. On top of that, manufacturers like Infortrend often add their own proprietary structures and variations. As a result, data can be written to disks in many different formats, and each requires a specific approach during recovery.

How can continuous data protection mechanisms help in minimizing potential data loss on NAS Infortrend EonStor DS 2016 devices?

Continuous data protection (CDP) mechanisms can help minimize potential data loss on NAS Infortrend EonStor DS 2016 devices in the following ways:

Real-time Data Backup: CDP continuously captures and replicates data changes as they occur in real-time. This ensures that even the most recent changes are backed up and protected, minimizing the risk of data loss.
Granular Recovery Points: CDP creates multiple recovery points throughout the day, capturing every data change. This allows users to restore data to a specific point in time, minimizing the amount of data that could potentially be lost.
Near-zero Recovery Time Objective (RTO): With CDP, the recovery time objective is significantly reduced. In the event of data loss or corruption, the system can quickly restore data from the most recent recovery point, minimizing downtime and ensuring business continuity.
Automatic and Transparent Process: CDP mechanisms operate automatically and transparently in the background, continuously monitoring and capturing data changes. This eliminates the need for manual backups, reducing the risk of human error and ensuring that data is consistently protected.
Protection against Accidental Deletions and Malware: CDP mechanisms can help protect against accidental deletions and malware attacks by allowing users to restore data to a point before the incident occurred. This provides an additional layer of data protection and helps minimize potential data loss.

Overall, continuous data protection mechanisms provide a robust and efficient solution for minimizing potential data loss on NAS Infortrend EonStor DS 2016 devices. By capturing data changes in real-time and creating multiple recovery points, CDP ensures that data is consistently backed up and can be quickly restored in the event of data loss or corruption.

How to Remove Hard Disks from Your NAS and Connect Them to a PC

Although the NAS EonStor DS 2016 can be accessed over the network, you still need to remove its hard disks and connect them directly to a Windows PC. Only then can the recovery software properly scan and analyze the drives. Follow these steps:

Power off the NAS and disconnect it from the power source.

WARNING! Before removing any drives, carefully read the device manual. Improper actions may damage both the NAS enclosure and the hard disks in the RAID array.
Remove the hard disks one by one, gently sliding each drive out of its slot. Remember that hard disks are highly sensitive: any impact or drop can cause serious physical damage.
Label each hard disk according to its position inside the NAS. The order of the drives is crucial for correct RAID reconstruction.
Connect the drives to your computer. In this video, we explain which ports you can use to connect hard disks and what to do if your PC does not have enough free connectors.

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How to Order Remote Data Recovery

Step-by-Step Data Recovery with Hetman RAID Recovery

This program restores data from damaged RAID arrays and is fully compatible with Infortrend EonStor DS 2016. Each hard disk in the array contains technical metadata describing how files were written. When launched, Hetman RAID Recovery analyzes this metadata, automatically reconstructs the damaged array, and provides access to its contents. After that, you can browse the recovered disk and save your files. The program can also restore files that were accidentally deleted from the network drive.

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How to recover data from a Infortrend

EonStor DS 2016 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;

How to Safely Recover Data from Disk Images

This utility allows you to create a complete copy of a disk and work with the disk image instead of the physical drive. This approach helps protect your data from:

Overwriting during the recovery process;
Additional data loss caused by bad sectors;
User errors.

To create a disk image, follow these steps:

Ensure you have enough free space to store the image. Its size will typically match the size of the original disk.
In the main window, select the target disk and choose Tools - Save Disk. You can also select multiple disks if needed.
When the Image Creation Wizard opens, select whether you want to save the entire disk or only a specific region. Adjust the settings and click Next.
Choose the directory where the image will be saved. You may select any available disk connected to your PC or upload the image via FTP.

Where Are the User’s Files Actually Stored?

The Infortrend EonStor DS 2016 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.

RAID Recovery Software: Detailed Comparison

Product	Operating system	RAID controller support	Supported file systems	Virtual RAID controller support	Data recovery from damaged RAID	File preview
Hetman RAID Recovery	Windows, Linux, MacOS	Yes, over 100 controllers	FAT, exFAT, NTFS, ReFS, APFS, HFS+, Ext4, Ext3, Ext2, ReiserFS, Btrfs, VMFS, Hikvision, XFS, UFS, ZFS	Yes	Yes	Yes
DiskInternals RAID Recovery	Windows	Yes, over 10 controllers	FAT, NTFS, Ext2/3/4, HFS+	No	Yes	Yes
R-Studio	Windows, Mac, Linux	Yes, over 20 controllers	FAT, NTFS, Ext2/3/4, HFS+	Yes	Yes	Yes
UFS Explorer RAID Recovery	Windows, Mac, Linux	Yes, over 100 controllers	FAT, NTFS, Ext2/3/4, HFS+	Yes	Yes	Yes
EaseUS Data Recovery	Windows	Yes, over 20 controllers	FAT, NTFS, Ext2/3/4, HFS+	No	Yes	Yes
ReclaiMe Free RAID Recovery	Windows	Yes, over 100 controllers	FAT, NTFS, Ext2/3/4, HFS+	Yes	Yes	Yes

Feedback

We will be happy to answer your questions!

Comments (3)

Hetman Software: Data Recovery 9.08.2022 12:31 #

If you want to ask a question about data recovery, from NAS EonStor DS 2016, feel free to leave a comment!

Reply
Wilbur Holman 3.09.2023 20:57 #

Is it possible to recover data from a NAS Infortrend EonStor DS 2016 device that has been affected by a ransomware attack?

Reply
- Hetman Software 3.09.2023 21:01 #
  Recovering data from a NAS device that has been affected by a ransomware attack is possible, but it depends on several factors. Here are some considerations:
  Backup: If you have a recent backup of your data that is not affected by the ransomware attack, you can restore your data from the backup. Regularly backing up your data is crucial to mitigate the impact of ransomware attacks.
  Ransomware type: The effectiveness of recovering data depends on the specific ransomware variant. Some ransomware may encrypt files using strong encryption algorithms that are difficult to crack, while others may use weak encryption or have flaws that can be exploited to recover the data. It's important to identify the ransomware type to determine the recovery options.
  Ransomware removal: Before attempting any data recovery, it is essential to remove the ransomware from the affected NAS device. This involves isolating the device from the network, scanning and cleaning all infected systems, and ensuring the ransomware is completely eradicated.
  Professional assistance: In some cases, it may be necessary to seek professional help from data recovery experts who specialize in ransomware cases. They have the expertise, tools, and techniques to potentially recover encrypted data or exploit vulnerabilities in the ransomware to retrieve the files.
  Payment: Paying the ransom is generally discouraged due to ethical and legal concerns. Additionally, there is no guarantee that paying the ransom will result in the recovery of your data. It is best to explore other recovery options before considering paying the ransom.
  Remember, prevention is always better than recovery. Implementing strong security measures, regularly updating software and firmware, educating users about phishing and malware, and maintaining up-to-date backups are crucial to protect against ransomware attacks.
  Reply

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Updated:
16.10.2025 8:53

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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.

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.

Questions and answers

What is SSH (Secure Shell) and how does it work in the context of network communication and remote access?

SSH (Secure Shell) is a cryptographic network protocol that provides secure communication and remote access over an unsecured network. It is commonly used for secure remote administration of network devices and secure file transfers.
In the context of network communication, SSH works by establishing a secure connection between a client and a server. This connection is encrypted, ensuring that the data transmitted between the two parties remains confidential and cannot be intercepted by unauthorized individuals. SSH uses public-key cryptography to authenticate the server and the client, ensuring that both parties can trust each other.
When a client wants to establish an SSH connection with a server, it initiates a handshake process. During this process, the server sends its public key to the client, which the client uses to encrypt a random session key. The encrypted session key is then sent back to the server, which decrypts it using its private key. Once the session key is exchanged, both the client and the server use it to encrypt and decrypt the data transmitted between them.
SSH also provides features like port forwarding, which allows users to securely access services on a remote server as if they were running on their own machine. It also supports various authentication methods, including password-based authentication, public key authentication, and two-factor authentication, providing flexibility and enhanced security options.
Overall, SSH is a widely used protocol for secure network communication and remote access, ensuring confidentiality, integrity, and authentication of data exchanged between clients and servers.
How does the NAS Infortrend EonStor DS 2016 utilize SSH protocol to ensure secure data transfer and management?
The NAS Infortrend EonStor DS 2016 utilizes the SSH (Secure Shell) protocol to ensure secure data transfer and management in the following ways:
1. Secure Remote Access: SSH provides secure remote access to the NAS system. Users can securely log in to the system remotely using SSH and perform various management tasks without the need for physical access to the device.
2. Encrypted Data Transfer: When transferring data between the NAS system and client devices, SSH encrypts the data to prevent unauthorized access. This ensures that data remains confidential and protected during transmission.
3. Authentication and Access Control: SSH protocol supports various authentication methods, including password-based authentication and public key authentication. This ensures that only authorized users can access the NAS system and perform management tasks.
4. Secure Shell Tunneling: SSH supports tunneling capabilities, allowing users to create secure channels for transferring data between remote systems. This feature can be used to securely transfer data between the NAS system and other devices, even over untrusted networks.
5. Secure File Transfer: The SSH protocol includes the Secure File Transfer Protocol (SFTP), which provides a secure alternative to traditional FTP for transferring files to and from the NAS system. SFTP encrypts the data during transfer, ensuring its confidentiality and integrity.
By leveraging the SSH protocol, the NAS Infortrend EonStor DS 2016 ensures that data transfer and management operations are secured, protecting sensitive information from unauthorized access and potential threats.
Can you explain the specific features and functionalities of SSH implemented in the NAS Infortrend EonStor DS 2016, and how it enhances the overall security of the system?
The NAS Infortrend EonStor DS 2016 implements SSH (Secure Shell) as a secure remote management protocol. SSH provides encrypted communication between a client and server, ensuring the confidentiality and integrity of data transferred over a network.
Specific features and functionalities of SSH implemented in the NAS Infortrend EonStor DS 2016 include:
1. Secure Authentication: SSH uses public-key cryptography or password-based authentication to verify the identity of the client connecting to the NAS. This prevents unauthorized access to the system.
2. Encryption: All data transmitted over SSH is encrypted, protecting it from eavesdropping and tampering. Encryption algorithms like AES (Advanced Encryption Standard) are used to secure the communication.
3. Secure File Transfer: SSH allows secure file transfer between the client and the NAS using protocols like SCP (Secure Copy) or SFTP (SSH File Transfer Protocol). These protocols ensure the confidentiality and integrity of transferred files.
4. Secure Remote Management: SSH enables administrators to remotely manage the NAS using a command-line interface (CLI) or remote shell. This allows for secure configuration, monitoring, and troubleshooting of the system without the need for physical access.
5. Port Forwarding: SSH supports port forwarding, allowing secure access to other services running on the NAS. This feature enables administrators to securely access web interfaces, databases, or other applications hosted on the NAS.
The implementation of SSH in the NAS Infortrend EonStor DS 2016 enhances the overall security of the system in several ways:
1. Confidentiality: By encrypting all data transmitted over the network, SSH prevents unauthorized users from intercepting sensitive information, such as login credentials or transferred files.
2. Authentication: SSH uses strong authentication mechanisms, such as public-key cryptography, to verify the identity of clients connecting to the NAS. This prevents unauthorized access to the system and protects against password-based attacks.
3. Integrity: The encryption provided by SSH ensures that data transferred between the client and NAS cannot be tampered with during transmission. This protects against data manipulation or unauthorized modifications.
4. Secure Remote Access: SSH allows administrators to securely manage the NAS remotely, reducing the need for physical access to the system. This enhances convenience while maintaining the security of the management interface.
Overall, the implementation of SSH in the NAS Infortrend EonStor DS 2016 ensures secure and encrypted communication, secure remote management, and protection against unauthorized access, thereby enhancing the system's overall security.