Desktop external drives · lab record · PLY-2025-1120
There Was Nothing Wrong With the Disk.
When a surveyor in Saltash wound his practice up in 2012, the whole scanned client archive went onto an Iomega drive roughly a year old at the time. Power still gets to it. There is a light on it and I can hear it running
, he said. All the same, not one machine lists it as a drive. A shop took a look and got nowhere.
He left that counter having fixed on the grimmest explanation available, and he was certain of it: the disc inside has shattered
.
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Why it happens.
Two products share that plastic box, and their lifespans differ. At the back is an ordinary SATA disk, the same as any desktop tower would hold. In front sits a small board turning SATA into USB, made as cheaply as possible and cooled by nothing but the air that drifts by. So a unit that powers up, hums, and shows up nowhere earns suspicion in a set order: the bridge, then the firmware, then the mechanism. Shattered platters belong at the very bottom. A diagnosis exists to put the frightening explanation to the test, not to agree with it.
The kit this job called for.
How the job runs →| The kit | What it did here | Why we keep it |
|---|---|---|
| ACE Lab PC-3000 Express | Questioned the bare disk at vendor level; every reply came back correct | Drops the disk into its maker's service mode, out of reach over plain ATA |
| RapidSpar | Took the image; a disk reading this well asks for nothing fancier | The kinder of our imagers, used where a drive still answers as it should |
| R-Studio Technician | Opened the volume and sampled scans from right across the archive | Reads nearly every file system, and rebuilds RAID sets from images |
How it ran.
Four screws, and the disk onto a port
Four screws out and the Seagate Barracuda was free, sitting on a bench SATA port. Thirty seconds put an end to his theory. It reached speed, returned its full model string, declared the right capacity, and answered vendor commands without hesitation. That worrying noise had been a healthy drive resonating through thin plastic.
Read the logs before ringing him back
Drives can look well and still be quietly finishing, so nobody telephoned him until the reallocated-sector count had been read, and the grown defect list with it. Neither held any surprise for a disk of that age which had never been worked hard. Sample reads taken across every zone came back first time, with nothing needing a retry.
Full-rate image, then name the culprit
First sector to last, the image came off clean at the drive’s rated speed. Nothing needed coaxing, nothing was retried, no new defects appeared. One component was therefore left carrying the blame. Age had finished off the bridge board; the disk on the other side of it had simply gone on working.
How it ended up.
Scans were opened from every year the practice traded, and none of them was short of anything. New media carried the recovery back to him. His old Seagate has gone into a better enclosure and does light work now as the second copy. Shattered platters were not mentioned again.
Pages people open after this.
Also tagged: desk drives.
Seeing the same thing?
Leave it switched off and post it in. Nothing happens until the diagnosis, which lists what can still be read and what cannot.