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Re:Microsoft has sunk a data centre in the sea to investigat... by pjc50 on Wednesday June 06, 2018 @08:24AM (#17246441)
This isn't quite true, the heads are kept from crashing by air pressure and a crash does irreversible damage. The "clicking" sound is either the heads flicking back and forth as the drive tries to seek, or the central motor trying and failing to start platters spinning which are jammed on the bearing.

What freezing the drive may achieve is either un-sticking it from the bearings (see also the "bang drive on edge" technique), or lowering the thermal noise floor in the electronics enough for marginal components to make it through the boot sequence.

It's not recommended. https://www.gillware.com/blog/data-recovery/hard-drive-freez...

Re:Microsoft has sunk a data centre in the sea to investigat... by larntz on Wednesday June 06, 2018 @09:28AM (#17246963)
When I worked for a small computer place years and years ago we'd sometimes "tap" a drive as it was spinning up if freezing it didn't work. Tapping it with a screw driver handle rarely worked, but it was always a last ditch effort to save having to send a drive out -- which most people wouldn't pay for anyway.
Re:Microsoft has sunk a data centre in the sea to investigat... by jsight on Wednesday June 06, 2018 @09:41AM (#17247055)
I did that with a drive in my computer fairly recently. Although I didn't so much tap it as shake it on startup. It did finally start spinning enough to insure that I had the last few bits of data transferred to a new drive, though. :)
Re:Microsoft has sunk a data centre in the sea to investigat... by SOLAR_FIELDS on Wednesday June 06, 2018 @12:15PM (#17248346)
While they may make legitimate points in the article, it's hard to consider someone that makes money on HDD recovery like the authors of the article having an unbiased viewpoint here.
Re:Microsoft has sunk a data centre in the sea to investigat... by Qworg on Wednesday June 06, 2018 @08:42AM (#17246563)
Ah, interesting! Thanks for the correction. I was off the project before we put in the drives obviously. ;)