Portable hard drives · job record · NTG-2025-2281
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Saturday's job had been imported and copied over. By the Tuesday the drive had stopped playing along: the icon goes grey and no volume ever turns up
. The assistant's MacBook agreed with the studio iMac. All the way through it, there is power, it spins, the light does what it has always done
. In the orange bumper was twelve months of client RAW belonging to a Nottingham photographer, and beside it the Lightroom catalogue that held each crop, each correction and each rating she had applied. Take the database away and unedited frames are what remain. Two seasons in a working bag is what that Rugged Mini had behind it, and more than one job had ended with somebody pulling a cable out of it at the end of a long day.
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What went wrong, and why.
Between a powered enclosure and an icon on the desktop there are four obstacles, and spinning clears the first of them. After the motor come a USB bridge, then firmware, then the volume structures themselves, and macOS shows nothing until it has worked its way through all of that. Damage one layer and a mechanically perfect disk might as well not be there. It was the catalogue that made this more than a disk job. Lightroom writes no adjustment into a picture; the adjustments live in a database beside it. Hand back the RAW files alone and twelve months of decisions have gone quietly with them.
The bench work this one took.
How the work runs →| Kit on the bench | What it did on this job | Why we reach for it |
|---|---|---|
| ACE Lab PC-3000 Express | Motor, heads and firmware were each pushed, and each of them behaved | Reaches the maker's own service mode, which standard ATA commands cannot |
| PC-3000 Data Extractor | Took the entire disk, putting the small structural areas ahead of the terabytes in the queue | Reads through the drive's own firmware and controller instead of working round them |
| UFS Explorer Professional Recovery | The damaged Mac volume was rebuilt, then the catalogue's folder tree realigned | Reads APFS, ReFS, XFS, ZFS and Btrfs where other tools give up |
What happened on the bench.
Rule the hardware out first
Four checks agreed that the disk had nothing physically wrong with it: no damage of note, firmware replying to everything asked of it, a defect list holding no surprises, and clean test reads taken head by head. The fault therefore sat higher up, in the bookkeeping a Mac goes through before it will put a volume in front of you.
The catalogue comes off before the pictures do
The order of work was decided before a byte moved. Volume descriptors and the catalogue database came out first; the terabytes of RAW followed on behind. A few gigabytes at the front decide whether what comes back is a working archive or several thousand images in no particular order.
Then use it the way she would use it
Every adjustment in a library can be gone while the file count stays exactly right, which is why counting proves nothing on a job like this. The catalogue went into Lightroom instead. Collections came up correctly, and the edited frames were set against the originals underneath them. A listing is not enough to send anything home on.
What was returned.
The two went back together — database and images, the edits still attached to the pictures — opened and tested first in her Lightroom rather than in ours. One thing did not come back, and the report says so in its opening line rather than tucking it away at the end: the volume structures failed while Saturday's import was still going, and no platter gives back what never reached it.
Start here if the same thing is happening to yours.
More portable-drive jobs on the log.
Sounds like yours? Switch it off before anything else.
£250 + VAT covers a card or a USB stick; a single drive is £300 + VAT; RAID and NAS start from £500 + VAT. Nothing is charged for the first look, and a fixed figure reaches you in writing before any chargeable work begins. Switch the device off, leave it alone, and post it in. On most jobs, no data back means no fee.