How to cleanup FS metadata from partition
Sometimes you I’m need to create new FS on partition, which was already used for something else (another FS, RAID, LVM). I was wondering about most usable ways to clear metadata. Here is some I liked the most. first wipefs -a ${DEVICE} second dd if=/dev/zero of=${DEVICE} bs=512 seek=$(( $(blockdev --getsz ${DEVICE}) - 1024 )) count=1024 third dmraid -r -E ${DEVICE} ~ # mkfs.btrfs /dev/sdb /dev/sdb appears to contain an existing filesystem (LVM2_member)....