blkdiscard

Discards device sectors on storage devices. Useful for SSDs. More information: https://manned.org/blkdiscard.

Discard all sectors on a device, removing all data:
blkdiscard /dev/{{device}}
Securely discard all blocks on a device, removing all data:
blkdiscard --secure /dev/{{device}}
Discard the first 100 MB of a device:
blkdiscard --length {{100MB}} /dev/{{device}}

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