Crossword Genius

Source of sore back in data store? (4,4)

Ross

I believe the answer is:

hard disk

I'm a little stuck... Click here to teach me more about this clue!

This could be a double definition.

'source' is the first definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Maybe they are linked in a way I don't understand?

'sore back in data store?' is the second definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Maybe you can see an association between them that I can't see?

'of' acts as a link.

Can you help me to learn more?

(Another definition for hard disk that I've seen is " Computer facility".)

I've seen this clue in The Daily Mail.
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