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How to Recover Data from Failed RAID 6 Arrays?

RAID 6 arrays are an enhancement to RAID 5, that are known to offer high fault and failure tolerance. RAID 6 arrays usually have a minimum of 4 and a maximum of 16 drives within its arrangement. It is also known as double-parity RAID as it contains a second parity block on each drive within the array for additional security purposes. The advantage of using RAID 6 arrays is that this type of RAID works even if it encounters 2 disk failures.

RAID 6 array data recovery

However, even though RAID 6 arrays are designed with high drive failure tolerance, they still do experience issues and data loss from time to time. The main reasons for data loss on RAID 6 arrays and solutions to recover lost data are covered in this article.

Main reasons for data loss in RAID 6 arrays

  1. Hard drive failure

Since hard drives contain moving mechanical components; so wear and tear from the constant contact of the magnetic heads to the drive platter can cause damage to the drive head. In addition to wear and tear, mishandling the device and physical damage are some of the main reasons for data loss in RAID arrays.

RAID 6 arrays are capable of handling 2 drive failures without data loss but the failure of more than 2 drives will result in data loss.

  1. RAID Controller failure

A RAID controller is designed to manage all hard drives within the RAID arrangement. But this RAID controller can fail occasionally due to power surges and other similar reasons. If this happens, it will mostly result in the entire RAID system becoming inaccessible.

  1. Data loss during rebuild

Usually, when one hard drive fails within a RAID system, the RAID will continue to work but in a degraded mode until data is rebuilt using the parity information. This rebuild time is dependent on the size of your hard drive. This longer rebuild time may in some cases cause the other drives in the RAID system to fail, thus resulting in data loss.

  1. Corruption in file system/partitions

Power surges or other random reasons may cause the file system to get corrupt or damaged leading to data loss. Improperly using disk management tools to manage partitions in the hard disk can cause the partitions to get lost or deleted.

  1. Server crash

Server failure can cause damage to the entire RAID setup or make it inaccessible.

Recover lost data from RAID 6 arrays

If you’ve encountered data loss from RAID 6 due to any of the reasons mentioned above or due to other reasons, data recovery solutions like Remo Recover are your best bet. They are designed to recover data from all kinds of hard drives and RAID arrays. Data recovered is the same as it was originally, with complete form and structure maintained. You can also use this tool to recover lost RAID partition in the event of partition loss due to incorrectly using disk management tools/third party tools.

Recover data from failed RAID 6

All RAID arrays including RAID 6, RAID 5, RAID 1 and RAID 0 are supported by the software. And all file systems like FAT16, FAT32, exFAT, NTFS etc. are supported. It works with all versions of Windows including Windows 10, 8, 7, XP, Vista, Server 2008 and 2003.

This software is available for a free trial, so download and recover your data from RAID systems for free! Try now!

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