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Apple RAID data recovery

macOS software RAID, Mac Pro internal arrays, Thunderbolt RAID towers, Xsan volumes and Xserve RAID. Fast, secure recovery for Mac-based storage.

  • Free evaluation
  • No recovery, no charge
  • Free shipping to the lab

Fast and secure Apple RAID recovery

A RAID array is faster than a single disk and can offer more protection. Disaster can still strike and put a Mac-based system at risk of data loss. That is when it matters to speak to a knowledgeable and reliable RAID recovery company.

Apple stopped making dedicated server hardware years ago. Xserve RAID was discontinued in 2008, Xserve in 2011, and the macOS Server app in 2022. Mac-based studios and offices now run their shared storage on Thunderbolt arrays, NAS units and software RAID, and many still depend on older Apple systems.

Systems we recover

macOS software RAID
Striped, mirrored and concatenated sets made in Disk Utility, formatted APFS or Mac OS Extended.
Mac Pro
Internal arrays using the Mac Pro RAID Card in older towers, and Promise Pegasus R4i and J2i modules in the 2019 Mac Pro.
Thunderbolt RAID
Promise Pegasus, OWC ThunderBay with SoftRAID, LaCie, G-RAID and Areca arrays.
Xsan
Shared SAN volumes on Fibre Channel storage.
Xserve and Xserve RAID
Apple's own rack servers and 14-bay arrays.
Fusion Drive and Core Storage
Combined SSD and hard drive volumes in iMac and Mac mini.
Mac mini servers
Software mirrors and Time Machine server volumes.

The most common failures

  • System does not boot or the volume does not mount
  • Array waiting to rebuild, with a failing disk preventing it from completing
  • Controller or cache module failure
  • Single or multiple hard drive failure
  • A mirror that split long ago and has been running on one aging disk
  • Software RAID set broken by a macOS upgrade or by erasing one member
  • Deleted files and folders
  • Corrupt databases, photo libraries and video project files

Disk Utility may offer to repair, rebuild or delete a degraded set. Do none of these on a set that holds your only copy.

Apple models we recover, 2013 to 2026

Examples of the model numbers we see most often, grouped by the years each range was sold. Choose Apple menu > About This Mac for the model identifier; the A-number is printed on the Mac's enclosure, and array models are on the rear or underside label.

YearsRangeModel numbers
2003–2011Xserve and Xserve RAID (legacy)Xserve RAID ended 2008; Xserve ended January 2011Xserve Late 2006 (Xserve1,1), Xserve Early 2008 (Xserve2,1), Xserve A1279 (Xserve3,1), Xserve RAID A1009
2009–2013Mac Pro tower with Mac Pro RAID CardApple's last hardware RAID cardMac Pro A1289, MacPro4,1, MacPro5,1, Mac Pro RAID Card
2011–2014Mac mini ServerTwo internal drives, used with macOS software RAIDMac mini Server Mid 2011 (Macmini5,3), Mac mini Server Late 2012 (Macmini6,2), Mac mini A1347
2011–2016Promise Pegasus and Pegasus2Pegasus R4, Pegasus R6, Pegasus2 R4, Pegasus2 R6, Pegasus2 R8
2013–2019Mac Pro (Late 2013)No internal RAID; paired with external Thunderbolt 2 arraysMac Pro Late 2013, Mac Pro A1481, MacPro6,1
2014–2026LaCie Thunderbolt arraysLaCie 5big Thunderbolt 2, LaCie 8big Rack Thunderbolt 2, LaCie 6big, LaCie 12big, LaCie 2big RAID
2014–2026OWC ThunderBayUsually OWC SoftRAID software RAIDThunderBay 4, ThunderBay 4 mini, ThunderBay 6, ThunderBay 8, ThunderBay Flex 8
2014–2026Areca Thunderbolt RAIDHardware RAID over Thunderbolt 2 or Thunderbolt 3ARC-8050T2, ARC-8050T3-6, ARC-8050T3-8, ARC-8050T3-12, ARC-8050T3U
2016–2026Promise Pegasus3 and Pegasus32Pegasus3 R4, Pegasus3 R6, Pegasus3 R8, Pegasus32 R4, Pegasus32 R6, Pegasus32 R8
2019–2023Mac Pro (2019) with Promise modulesR4i is a four-drive MPX RAID moduleMac Pro A1991, Mac Pro A2304 (rack), MacPro7,1, Pegasus R4i, Pegasus J2i
2023–2026Mac Pro (2023)Apple silicon, storage modules paired to the MacMac Pro 2023, Mac Pro A2786, Mac14,8

Not listed? These are examples, not limits. If your model is missing we almost certainly still recover it. Give us the number when you start a case.

Contact RMLD for Apple RAID recovery

Our server recovery lab in Temecula, California is equipped for logical and physical recovery with a high level of success. We stock donor drives and repair physically failed members through part transplants. Each drive is imaged, the set is rebuilt virtually, and the APFS, HFS+ or Xsan volume recovered. For single Macs see Mac recovery.

Call RMLD on (951) 595-8065 for advice, or start a case online.

How a case works

Six steps from the first call to your files. You approve the quote and check the results before paying.

  1. Tell us what happenedCall or start a case online. A technician reviews it and tells you how to send or bring the device.
  2. Ship it or drop it offShipping to the lab is free. You can also hand it in at Temecula or London.
  3. Free evaluationWe diagnose the fault and send a firm quote. Nothing is charged for this.
  4. Recovery in our labOnce you approve, the work is done in-house. Your device never leaves our company.
  5. You check the filesYou receive a list of what was recovered and confirm it before paying.
  6. Data returnedOn a new drive, your own drive, or by encrypted download. No recovery means no charge.

More recovery services

Talk to a technician before you try anything else

The evaluation is free, and the first advice you get can decide whether the data comes back.

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