RAID 5 Data Recovery Sheffield

A RAID 5 that's shed a disk, stalled a rebuild or lost its controller can look like a disaster — but the data is usually still there. We image every member drive and reconstruct the array virtually, with no risky writes back to your original disks.

The ways a RAID 5 comes apart

RAID 5 can lose one disk and keep running — but only one. These are the failures that end up on the bench.

A second disk quits during the rebuild

RAID 5 covers one dead disk, but rebuilding onto a fresh one thrashes the tired survivors for hours. A second drive giving out part-way through is the classic route from 'degraded' to 'down'.

Controller, HBA or backplane dies

A failed RAID controller, host adapter or backplane can pull the whole array offline while every disk stays healthy. The layout and parity metadata have to be read back before the volume returns.

A member that's fallen out of sync

When a disk drops and the array limps on degraded, that member goes stale. Forcing it back in later blends old and current data and wrecks the parity across the set.

Bad sectors creeping across disks

Unnoticed bad sectors on more than one member leave parity unable to cover every stripe. We image around the weak spots before any rebuild is attempted.

An array re-initialised by accident

Recreating the set, initialising it, or a hopeful 'repair' from the controller dashboard can overwrite the very metadata that records how your data is laid out.

A migration or expansion that stalled

Capacity expansions and RAID-level migrations that halt half-way leave the array inconsistent and simply unable to mount.

// how raid 5 recovery works

We clone every disk before touching the array

Your original disks are never worked on live. Each member is cloned to a stable image on hardware imagers, and any physically failing disk is repaired in the clean room first. From those images we work out the exact disk order, stripe size, rotation and parity direction, rebuild the array virtually and pull your files off — leaving the originals intact as a fallback.

Why forcing a rebuild onto tired disks backfires

The reflex after a RAID 5 failure is to drop in a new disk and let the controller rebuild. On an array that has already spent its redundancy, that rebuild leans hardest on the remaining drives at the exact moment they can least cope — and a second failure mid-way turns a routine recovery into a difficult one. If a rebuild has already failed, power the box down and don't run it again.

RAID recovery for South Yorkshire servers and businesses

Most RAID 5 sets we see are the main storage in a small-business server or NAS. We handle Dell PowerEdge, HP ProLiant, Lenovo and self-built servers, along with Synology, QNAP and Netgear NAS units, for businesses across Sheffield, Rotherham, Barnsley, Doncaster and the rest of South Yorkshire. Media is posted or couriered to our Leeds location, and urgent business jobs can be pushed to the front — see our general RAID recovery service, NAS recovery, and typical data recovery costs.

Common questions

Almost always — the failed rebuild is the RAID 5 case that reaches us most often. Each disk is copied in the state it's in, and the array is then reconstructed in software from those copies, so a rebuild that stalled or errored doesn't block the job. What counts most is that you stop hitting retry and shut the system down.

The disks alone, as a rule. Take the member drives out, note their bay positions if you're able, and post the full set — including any disk that had already dropped out. Only an unusual controller would have us ask for the enclosure too, so ring first if you're not certain.

Pricing opens at £500 + VAT and climbs with the disk count, since each member is copied on its own ahead of the rebuild. Once the free diagnostic is done you're handed a single fixed price in writing; the cost page sets the numbers out in full.

Yes, where the disks are sound and the rebuild is purely logical. Should a member carry electronic, mechanical, physical, water or fire damage, that disk needs invasive work and half the quoted price is settled upfront for parts and bench time — all agreed in writing before we start.

Expect the free diagnostic back within 2 working days of the disks reaching us. After your go-ahead a clean rebuild often wraps inside a week; bigger capacities, more members or physical damage push that out. Business-critical jobs can jump the queue.

Post or courier your device — it's simple

Most customers post or courier their media to us.

Sending a drive from a computer, laptop, MacBook, iMac, CCTV / DVR or server? Please remove the internal hard drive or SSD and send us just the drive — we don't provide an internal drive-removal service. We don't recover storage soldered to a motherboard (e.g. Apple Silicon Macs and some thin laptops) — only drives that can be removed and sent to us.

Wrap the device in bubble wrap or a padded envelope — no need to include cables or power supplies.
Print and enclose the booking-in & shipping form (PDF) with your name, phone number and a brief description of what happened.
Send by Royal Mail Special Delivery or any tracked courier for full insurance in transit.
Prefer to hand it over in person? You can drop it in at reception at the address shown, Mon–Fri 9:00am–5:30pm.

// send your device to your nearest location

Leeds Data Recovery

17th Floor, The Pinnacle
Albion Street
Leeds, LS1 5AA

↓ Print the booking-in & shipping form (PDF)

Mark the package for the attention of Leeds Data Recovery and we'll call you as soon as we diagnose your media.

Not sure what to send? Call 0800 689 0668 first or use the free online diagnostic.

RAID 5 Data Recovery Sheffield

The ways a RAID 5 comes apart

We clone every disk before touching the array

Why forcing a rebuild onto tired disks backfires

RAID recovery for South Yorkshire servers and businesses

Also recovered here

RAID Recovery →

NAS Recovery →

Data Recovery Cost →

Common questions

RAID 5 down? We’ll rebuild it.

Post or courier your device — it's simple

Leeds Data Recovery