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Topmost Methods to recover data from RAID Server

Topmost Methods to recover data from RAID Server

Organizations implement RAID to provide data protection and improve performance. Nevertheless, this redundancy is limited to a number of failed disks which results in damaging the RAID server. So, here in this blog, we are going to explain all the methods to recover data from RAID.

For example, RAID 0 does not provide data redundancy, RAID 1 and RAID 5 offer one-disk failure tolerance, and so on. Therefore, you can not depend on this redundancy for as much as the load on the working disks rises, which makes them vulnerable to crashing and leads to a complete data catastrophe.

RAID Server


RAID, Redundant Array of Inexpensive Disks or Redundant Array of Independent Disks, is a data storage technology. It has the ability to store the same data to different places on multiple hard disks for the purpose of increasing your system performance or providing fault tolerance.

Causes for Data Loss from RAID Server-

  • Physically damaged of Member disks 
  • RAID reconstruction failed 
  • Failure of Multiple disks 
  • Disks do not detect 
  • Power Shutdown accidentally 
  • Corruption of File System member disks  
  • Configuration issues of RAID 
  • Bad sectors 
  • Virus Attack
  • OS could not be loaded, OS got corrupted, malfunctioned applications, corrupted drivers, etc.
  • Natural catastrophes

You can take action to recover lost or inaccessible data, depending on the cause. Now, move further to know its advantages.

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RAID Advantages:-

Usually, RAID uses multiple disks to work together to increase computer users ‘ overall system efficiency, particularly server users. It also has the following advantages:

  • Data security becomes high.
  • Fault tolerance high.
  • Increased parity check.
  • A regular check for possible system crashes.

Its time to think about data recovery from RAID server and the risks involved in the upcoming section.

Types of RAID-

  • RAID 0 (striping)
  • RAID 1 (mirroring) 
  • RAID 5 (distributed parity)
  • RAID 6 (dual parity)

Methods to Recover data from corrupted RAID-

1. In Class 100 Clean Room Lab, which has a controlled level of particles, you would need to open the disks to retrieve data from a damaged disk. Such an environment during disk examination prevents any unintentional damage to the disk.

2. If physical damage occurs, the damaged components must be replaced by suitable components. This is a complex task that requires technical expertise and spare parts inventory.

3. When the disks have become functional, using specialized software, you would need to clone them.

4. Upon cloning the disks, the next step is to find out the RAID array’s logical parameters. Such parameters include strip length, rate of RAID, a pattern of data flow and knowledge about parity flow. These requirements include the use of specialized tools, techniques, and expertise. 

5. You can rebuild it once you learn the RAID parameters.

6. Finally, for data recovery from RAID, you’d need to run a software that performs file signature-based disk scanning — also called deep scanning.

RAID 0 Recovery

You need to understand the causes of RAID 0 failure before you attempt to restore RAID 0. There are two ways of failure of RAID 0:

  • Failure of one or more member RAID 0 disks
  • Failure not related to member disks.

How to recover RAID Files?

Recovering RAID files?

In most cases, you need to recover your data from disassembled RAID: 

  1. Build a Virtual RAID using disks from the original failed RAID, and if successful, 
  2. Search partitions for files and folders on the newly created Virtual RAID system
  3. Recover the files and folders you need for a healthy logical drive.

Step 1: Opening of “Virtual Disk Assembly” dialog 

In Recovery Explorer to select Logical Drive.

Notice: It is possible to scan for files not only existing logical drives but also Detected Partitions, Virtual Drives or even Assembled RAID Drives.

Step 2: Organize Virtual Disk Array (RAID) 

Built Virtual RAID (Array) should appear as a standard disk in Recovery Explorer, and all relevant hard disk tasks will apply to opened Disk Image. You can scan Virtual RAID for missing Partitions, Files and Folders and restore identified files to a specific location.

Step 3: Working with Virtual Disk Array (RAID) assembly 

After the completion of a virtual RAID, then recovering files from it are identical to recovering from any other disk, physical or logical, except that partitions can not be restored to a virtual disk.

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Final Thoughts

In this write-up, we have discussed all the manual approaches to recover data from corrupted RAID. Users can go with all manual ways to recover data from RAID and get the specified results.

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