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Shredding my SSDs (NVMe) under linux?
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this post was submitted on 19 May 2025
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I did read (on the Arch wiki) that
blkdiscard -zis identical todd if=/dev/zero, so that tracks. It's (blkdiscard) is easier to use. However, given my memory and how infrequently I'll ever use it, I'll have forgotten the name of the command by next week. I'll never forgetdd, though, mainly because it's more general purpose and I use it occasionally.OP probably wants
blkdiscard -z, though.I'm not sure about that. I think OP wants something like ATA secure erase. That would be
hdparmand a bunch of options, and not blkdiscard. Unless they specifically know what they're doing and what options to pick. And what the controller will do in return.