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Do I really have to use secure erase (sopuli.xyz)
submitted 2 months ago by to c/linux@lemmy.ml
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I am giving away a shitty 128GB SSD, which was used with LUKS 2 for most of it's lifetime. As far as I know, it's good practice to secure-erase it, but I'm too lazy to reinstall the OS on it (I already did it once). Is it really needed?

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[–] 0 points 2 months ago (1 child)

Thing seems to be though, that OP did not use LUKS consistently, but mixed with unencrypted uses.
In this case, fast, file-oriented secure-erase (or just throwing away all the LUKS headers, if the remaining partition was encrypted) might miss the remnants of old unencrypted uses.
So, specifically in OPs case, I am not sure if there is another safe option than a full-device overwrite e.g. using dd.

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