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wipefs

Wipe filesystem, raid, or partition-table signatures from a device.

  • Display signatures for specified device:

sudo wipefs {{/dev/sdX}}

  • Wipe all available signatures for specified device:

sudo wipefs --all {{/dev/sdX}}

  • Perform dry run:

sudo wipefs --all --no-act {{/dev/sdX}}

  • Force wipe, even if the filesystem is mounted:

sudo wipefs --all --force {{/dev/sdX}}