Raid 5 Recovery

RAID 5 Data Recovery

No Fix - No Fee!

Our experts have extensive experience recovering data from RAID servers. With 25 years experience in the data recovery industry, we can help you securely recover your data.
Raid 5 Recovery

Software Fault From £495

2-4 Days

Mechanical FaultFrom £895

2-4 Days

Critical Service From £995

1-2 Days

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Raid 5 Recovery Services

RAID 5 (Redundant Array of Independent Disks) is one of the most widely used RAID configurations because it combines data redundancy with performance improvements. RAID 5 uses data striping with parity, allowing the array to continue functioning even if one drive fails. However, if multiple drives fail or there is corruption in the array, data loss can occur. Our Professional RAID 5 recovery and repair services are often required to recover data from a failed RAID 5 array.

The details below will explain how RAID 5 works, the common causes of RAID 5 failures and how we can recover Raid 5 Array data as we have 25 years experience.

Understanding RAID 5: How It Works

RAID 5 uses striping (distributing data across multiple drives) along with parity, which provides redundancy. Parity information is distributed across all drives in the array, allowing the array to reconstruct data from a failed drive using the remaining drives and the parity data.

  • Data Striping with Parity: RAID 5 stripes data across all drives and stores parity information that allows for data reconstruction if one drive fails.
  • Redundancy for One Drive: RAID 5 can tolerate the failure of one drive without data loss. However, if more than one drive fails, the entire array is at risk.
  • Balance of Performance and Redundancy: RAID 5 offers a good balance of performance and fault tolerance, making it popular in both business and personal storage systems.

Common Causes of RAID 5 Failure

Even though RAID 5 provides redundancy, it can still fail due to various hardware or logical issues. Here are the most common causes of RAID 5 failures:

1. Multiple Drive Failures

RAID 5 can tolerate a single drive failure, but if a second drive fails before the array is rebuilt, data becomes inaccessible, and recovery becomes complex.

  • Symptoms: The array goes offline, multiple drives show as “failed” or “degraded,” the system won’t boot, or data becomes inaccessible.
  • Causes: Mechanical wear, power surges, overheating, or multiple drive failures within a short period.
  • Drives Affected: Any hard drive or SSD in the RAID 5 array.

2. RAID Rebuild Failure

When a failed drive in a RAID 5 array is replaced, the RAID controller starts a rebuild process to restore the array using the parity data. If this rebuild fails, the data on the array can be lost or corrupted.

  • Symptoms: Incomplete RAID rebuilds, array degradation, data corruption, or slow access times.
  • Causes: Power loss during the rebuild, RAID controller failure, or hardware issues.
  • Drives Affected: All drives in the RAID 5 array.

3. RAID Controller Failure

The RAID controller manages the striping and parity operations for RAID 5 arrays. If the controller fails, the array may become unreadable, even if the drives themselves are functional.

  • Symptoms: RAID array not detected, controller errors, system unable to boot into the RAID configuration, or incorrect RAID status.
  • Causes: Power surges, controller hardware failure, or firmware corruption.
  • Drives Affected: All drives connected to the failed RAID controller.

4. Logical or Software Failure

Logical failures affect the file system, RAID metadata, or partition table, making the data inaccessible even though the hardware is operational.

  • Symptoms: Missing files, corrupted data, array showing as unformatted, or error messages when accessing the RAID array.
  • Causes: File system corruption, accidental formatting, RAID configuration errors, or partition table damage.
  • Drives Affected: All drives in the RAID 5 array.

5. Parity Corruption

Parity corruption occurs when the parity data used to rebuild the array becomes damaged, rendering it impossible to reconstruct the data when a drive fails.

  • Symptoms: Data corruption, failed RAID rebuilds, or degraded array performance.
  • Causes: Firmware issues, improper RAID management, or power outages during parity writes.
  • Drives Affected: All drives in the RAID 5 array.

Steps to Take if Your RAID 5 Array Fails

If your RAID 5 array fails, it’s important to take steps to prevent further data loss and increase the chances of a successful recovery:

  1. Do Not Attempt to Rebuild the Array: Rebuilding the RAID 5 array without expertise can lead to further corruption or data loss.
  2. Power Down the System: If you suspect a failure, immediately shut down the system to avoid damaging the array further.
  3. Avoid DIY Recovery Software: RAID 5 is complex, and using free recovery tools can overwrite parity data, making recovery impossible.
  4. Contact a Professional RAID Recovery Service: Reach out to a service that specialises in RAID 5 recovery to assess the situation and begin the recovery process.

Professional RAID 5 Hard Drive Recovery Services

RAID 5 recovery involves reconstructing the array using parity data and recovering data from any failed drives. Our Professional RAID recovery services use specialised Raid recovery tools and expertise to recover lost data while preserving the integrity of the RAID array.

1. Data Recovery from Failed RAID 5 Drives

If one or more drives in a RAID 5 array have failed, our raid engineers can rebuild the array using the remaining drives and the parity data. If multiple drives have failed, advanced recovery techniques are used.

  • Parity Reconstruction: Raid Engineers use parity data to reconstruct the missing data from the failed drives.
  • Multiple Drive Recovery: In cases where multiple drives have failed, Raid Engineers recover as much data as possible from the remaining functional drives and rebuild the array.

2. Physical Drive Repair in a Cleanroom Environment

If a drive in the RAID 5 array has experienced mechanical failure, such as a head crash, spindle motor failure, or physical damage, Raid Engineers perform repairs in a clean environment to recover the data.

  • Head Replacement: Damaged read/write heads are replaced with compatible donor parts to access data.
  • Spindle Motor Repair: If the spindle motor fails, it is repaired or replaced to restore drive functionality.
  • Platter Recovery: Data can be extracted directly from the platters, even if other components have failed.

3. Logical Data Recovery

For logical failures, such as file system corruption, accidental formatting, or partition table damage, professional recovery services use advanced tools to repair the logical structure and restore data.

  • File System Repair: Corrupted file systems are repaired to allow access to lost files.
  • RAID Metadata and Partition Repair: Raid Engineers repair corrupted RAID metadata or partition tables to restore the RAID 5 array configuration.

4. RAID Controller Repair

If the RAID 5 failure is caused by a controller malfunction, professionals can repair or replace the controller to restore access to the array.

  • Controller Diagnostics and Repair: Raid Engineers diagnose the RAID controller and either repair it or replace it with a compatible model.
  • Firmware Repair: Corrupted RAID controller firmware is repaired or reflashed to restore the array.

5. RAID 5 Rebuild Assistance

If the RAID 5 array was in the middle of a rebuild when the failure occurred, we can assist in completing the rebuild without data loss.

  • Rebuild Interruption Recovery: Recovery specialists recover data from arrays that failed during rebuilds or synchronisation processes.
  • Incomplete RAID Rebuild Repair: In cases where the rebuild was incomplete, recovery services can repair the array and restore data integrity.

Contact Us

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John Lyons Belfast

I run a local PC shop in Belfast and a client had a problem with a Buffalo Linkstation Drive. Your data recovery service is so quick and easy we often use it for several of our clients. 100% record so far in recovering data files from external hard drives, USB sticks, Laptops & Computers, to camera SD cards. You’ve never let us down and your communication is dead on. The best data recovery in the UK, bar none.

John Lyons, Belfast

Maggie Boyle Derry

I thought I had lost my final years university work when my Western Digital External Hard Disk stopped working and my boyfriend tried to fix it with a free data recovery software. I think my screams must have been heard all over Magee Campus when all appeared lost. Luckily Easy Recovery saved me from a nervous breakdown, and they sent me back a USB with my dissertation and all other data files fully recovered on it. A Professional service, highly recommended.

Maggie Boyle, Ulster University, Derry

Paul O Dowd Enniskillen

A HP Raid 5 Server that had two failed disks. The HP Proliant server contained critical data for a factory, partition recovery was completed over a weekend so that we could reopen factory on Monday morning. Great work from you guys, a thoroughly professional file recovery service

Paul O Dowd, Enniskillen

St Marys Primary School Newry

I am a teacher at St Marys and I dropped my Toshiba laptop that contained 5 years of teaching resources and was broken beyond repair with the dreaded Blue Screen of Death. I searched on google for Data Recovery Services in the UK and found these guys. They removed the HHD and I’m pleased to report that they were able to recover all the data from the hard drive. I had it all back in my possession within 3 days, so a top, speedy service.

St Marys, Newry

Joan Waters Dublin

The hard drive on our Apple iMac contained pictures and video of our children and it just stopped working. Why are there no Apple Stores in Ireland! We found some so called Mac experts on Grafton Street but they could do nothing for us, but luckily they recommended Easy Data Recovery. What a breeze of a service, had it back in no time at all just as it was. Many thanks for recovering my iMac Data, what a brilliant service.

Joan Waters, Dublin

Nicola Ward Cork

What a brilliant data recovery service. I’m just after receiving the file data by courier today from genuine file recovery experts. Many thanks for recovering the data from our Small Business Drobo Server that stores pictures of our clients recent wedding day pictures. Data recovery software does not work, but you guys performed a miracle and I will forever be grateful.

Nicola Ward, Cork

Martin Flannery, London

You are a life saver, all of my business files were on the Dell PC computer and I was hit by a nasty malware ransomware virus. Thanks for keeping me calm and assuring me you could recover the data and stopped me trying myself at ransomware removal. I am so glad I trusted you, and I got my PC back data recovery free from virus with some great advice on future protection. A speedy service, 5 stars!!!

Martin Flannery, London

Ciaran, Cork

My company Finn McCool use Easy Recovery for all of our business needs. I highly recommend Tony and his team as they are the best data recovery service in the UK I have found. They have recovered valuable data on our Macs, and SSD Memory Cards. I cannot fault their services, particularly when they performed a business critical hard drive recovery. We recommend them heartily to all of our clients who also give glowing feedback.

Ciaran, Cork

Mina Gonzalez, London

Thank you, thank you, thank you! Other companies said all my valuable pictures had been lost, my wedding pictures, kids first steps, so many precious memories. But you managed to save most of it for me and I can’t thank you enough. I honestly cried when I thought it was gone, but your Easy Data Recovery Service really did exactly that, just posted off the hard drive and got it back on a USB stick. Did I say thank you enough?

Mina Gonzalez, London

Paul Duggan, Manchester

Well what Microsoft managed to lose quick enough in a windows 10 update, Easy Recovery managed to get it back. Communication was brilliant, and they let me know exactly what they had to do and how much it would cost. Absolutely outstanding quick and efficient service. Excellent data recovery service that saved me more heart ache than I could deal with. Top marks!

Paul Duggan, Manchester

Jason York, Liverpool

I was completely devo’d when I knocked my Seagate hard drive onto the patio and cracked the case. It just made loud noises and had some sort of bootup failure. So glad I shopped around at got quotes from a variety of companies. I thought I was taking a chance on Easy Data Recovery, but they were amazing. I simply sent it off to them, and had it back in under a week. Tony was great and kept me updated at every step of the process, but importantly recovered almost all of my 4TB Seagate External Hard Drive, completely restoring with all folders and file names intact. Best of all, there was no nasty surprise with the bill with it being exactly the same as the reasonable quote. Would use again.

Jason York, Liverpool

Patrick McAteer, Edinburgh

I’ve recently comeback from a holiday of a lifetime in New Zealand, and was absolutely raging when the camera memory card was not working when I tried to present them to the family. Instead of them seeing my 1000’s of pictures, all they saw was a black screen and an error message saying ‘SD card is not accessible. The file or directory is corrupted and unreadable.’

I tried it on my laptop and it gave a different error message of ‘Read / Write error on SD card’, which my techy savvy bairn said it could not read from the device and I’d have to go back again. Aye right, ya gadge!

Lucky for him I found Easy Recovery and they were more useful and all I had to do is send it to them and it came back a few days later in the post, all my precious memories back again. Now I can show my pictures to the clan whenever they try to come round.

Patrick McAteer, Edinburgh

Rob Concannon, Birmingham

I stupidly deleted a very important folder on my PC when trying to clear some space and desperately tried to recover my files. I tried all sorts of free data recovery software but none seemed to fully recover it. I googled “how to recover deleted files” and tried everything I found with no luck and bit the bullet and sought assistance from a professional data service. Easy Recovery were brilliant and with full confidentiality got my computer back complete with restore deleted files. Could not be happier.

Rob Concannon, Birmingham

Eden Kinsombi, London

I run the IT department for a small financial business and use a RAID 6 with 4 HDDs. I thought this was adequately set up to take a two-drive failure but did not account for an expert hack to use our server to send phishing emails and add deceptive pages to all of our sites,. Of course they helpfully deleted all of my backups to stop me rolling back. My directors were not happy to see the big red google warning on all our sites, so to say I was under pressure to resolve it quickly was an understatement. Luckily Easy Data Recovery were able to extract some recent workable backups while I cleaned up my server to restore parity. A highly efficient and quick process., and I literally cannot thank them enough and they are without doubt the best data recovery company in the UK.

Eden Kinsombi, London
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