RAID Recovery™ 6.2Recovers all types of corrupted RAID arrays
RAID Recovery™ 6.2
Recovers all types of corrupted RAID arrays

RAID 6 Data Recovery

RAID 6 is the Redundant Array of Independent Disks that is highly tolerant to data loss. Thus, if you have special software that can restore your data from scratch, for example RAID recovery from DIskinternals, your data is totally safe. The recovery process will take about 5 to 10 minutes for the smallest arrays. But if your RAID 6 array includes a significant number of discs, the time for recovery can be much, much longer.

Introduction RAID 6 Array

RAID 6’s only disadvantage is not related to data recovery. The performance of the RAID 6 is slower than the performance of other RAIDs because the each set of parities might be calculated separately, and the costs of implementing the RAID 6 system are more than other disks’ ’implementation, because two extra disks are required for parity.

RAID 6 array

Reed-Solomon Parity

The Reed-Solomon parity mechanism is used widely for data storage and error correction on the RAID 6. The P and Q parity data, used in the RAID 6 array, is based on the Reed-Solomon parity codes. Below, you can see the pattern describing how the information is divided across the RAID 6, consisting of four disks. DiskInternals RAID recovery tool is familiar with this mechanism.

Reed-Solomon Parity

Reed-Solomon parity is the main reason for the reliability of RAID 6. If one fragment of information is corrupted on one or two discs, the array controller will recalculate and restore the data automatically. DiskInternals RAID 6 software recognizes Reed-Solomon parity right away and performs the recovery process, saving recovered data to the location you chose.

Symptoms & Reasons for RAID 6 Array Failure

Even the most reliable system can experience a crash. But don’t worry: with the special RAID 6 recovery software from Diskinternals, you can restore data in automatic or manual mode. But before we move on to the recovery, let’s name some common symptoms of the situation in which you’ll need a RAID Repair.

  • The RAID partitions are missing.
  • The controller of your RAID falls accidentally.
  • You experience a server crash.
  • There are some issues with power, from supply failure to unpredictable changes in the power level.
  • Damage to your disk.
  • A spontaneous disappearance of the files on your disk.

The most common reason for RAID 6 failure is having some read errors on the disk drive. The most common mistake found on the SATA drive is URE, or unrecoverable read error. It means that, every two hundred million sectors, the disk will not be able to read one of them. It sounds like a very small issue, but it means the RAID 6 data recovery will stop, as the controller will see this error.

The point is, even in case of URE, you can still reconstruct your data with the RAID 6 recovery software from Diskinternals. Yes, it will take some time and probably you’ll have some troubles during the process, but you can figure it all out.

Step by Step RAID 6 Data Recovery

  1. 1. If one of the disks is partially damaged, please start with the creation of a binary image of this particular disk.
  2. 2. Download and install the RAID 6 recovery by Diskinternals.
  3. 3. Pick the type of your array.
  4. 4. Wait until the program shows the parameters of your disk, or the list of available files. Please check previews of your files to ensure you get what is needed. It would be nice if you have an image of 2+ MB among your data, to check integrity.
  5. 5. Purchase the license for our RAID Recovery™ software for Windows and continue the recovery process.
  6. 6. Congrats, your array is now restored and safe!

How to Recover a RAID 6 Single- or Dual-Disk Failure

To perform RAID disk recovery with a single or a dual-disk failure, you will need appropriate space on another drive or on an FTP server to keep restored data. The recovery procedure will be performed automatically, with the help of RAID 6 Data Recovery by Diskinternals.

How to Recover a RAID 6 with Three or More Disks Failure

Hard drive RAID recovery when three or more disks are failed is, unfortunately, not possible. In such a situation, the only way to get your data back is to restore data from a previous backup.

The RAID 6 Data Recovery Procedure

As you can see, a RAID 6 recovery can be possible if you have picked RAID Recovery by Diskinternals.

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