
Originally Posted by
South_Bit
Someone asked why hard drives are so fragile. If you think about it...
Disc is spinning at 7,200 rpm. Think of the crankshaft in your car spinning at this speed to get an idea of speed. The part of the head assembly that is close to the surface is absolutely tiny. You can imagine what happens when a highly sophisticated, tiny, fragile component comes into contact with something going along at 7,200rpm. It's actually amazing that they work at all if you think about what goes in on there, and at what speeds/tolerances. They are pretty tough when switched off, just be careful with them when they're on.
With regards to recovery software, R-Studio is something we use every single day. Another good piece of software is ZAR (zero assumption recovery), it beats all the other software suites when it comes to looking for lost data.
Just remember, be careful when running software scans on a damage drive, you could easily kill it all together. The way we (and every other recovery company) do it is:
1) Repair drive - replace/repair any faulty components to get the drive to initialise. Heads, PCB, resolve firmware issues, etc
2) Image the drive - we have hardware devices created specifically for this function. (Google Deepspar disc imager)
3) Run recovery software on the image - so we never run any actual recovery on the original drive.
So just be careful when running anything intensive on a dying drive, rather image it first. A good free, software alternative for end users is dd_rescue. That can also kill your drive though if it's in a bad way. If your data is important rather save up and have it done properly.
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