ディスク内のパーティションを消す
使い方
wipefs -a /dev/sdb
# wipefs -h Usage: wipefs [options] <device> Wipe signatures from a device. Options: -a, --all wipe all magic strings (BE CAREFUL!) -b, --backup create a signature backup in $HOME -f, --force force erasure -i, --noheadings don't print headings -J, --json use JSON output format -n, --no-act do everything except the actual write() call -o, --offset <num> offset to erase, in bytes -O, --output <list> COLUMNS to display (see below) -p, --parsable print out in parsable instead of printable format -q, --quiet suppress output messages -t, --types <list> limit the set of filesystem, RAIDs or partition tables -h, --help display this help -V, --version display version