liveuser@localhost-live:~$ sudo wipefs -a /dev/sda
/dev/sda: 8 bytes were erased at offset 0x37e483f000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e483e000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e483d000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e483c000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e483b000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e483a000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4839000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4838000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4837000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4836000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4835000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4834000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4833000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4832000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4831000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4830000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e482f000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e482e000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e482d000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e482c000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e482b000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e482a000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4829000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4828000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4827000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4826000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4825000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4824000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4823000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e487f000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e487e000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e487d000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e487c000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e487b000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e487a000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4879000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4878000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4877000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4876000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4875000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4874000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4873000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4872000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4871000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4870000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e486f000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e486e000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e486d000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e486c000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e486b000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e486a000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4869000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4868000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4867000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4866000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4865000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4864000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4863000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4862000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4861000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x37e4860000 (zfs_member): 0c b1 ba 00 00 00 00 00
/dev/sda: 8 bytes were erased at offset 0x00000200 (gpt): 45 46 49 20 50 41 52 54
/dev/sda: 8 bytes were erased at offset 0x37e4895e00 (gpt): 45 46 49 20 50 41 52 54
/dev/sda: 2 bytes were erased at offset 0x000001fe (PMBR): 55 aa
/dev/sda: calling ioctl to re-read partition table: Success
liveuser@localhost-live:~$ sudo fdisk /dev/sda
Welcome to fdisk (util-linux 2.40.4).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.
The device contains 'zfs_member' signature and it will be removed by a write command. See fdisk(8) man page and --wipe option for more details.
Command (m for help): g
Created a new GPT disklabel (GUID: A438EDCB-7CD8-4A8B-9841-AE7DC237B73A).
The device contains 'zfs_member' signature and it will be removed by a write command. See fdisk(8) man page and --wipe option for more details.
Command (m for help): n
Partition number (1-128, default 1):
First sector (2048-468862094, default 2048):
Last sector, +/-sectors or +/-size{K,M,G,T,P} (2048-468862094, default 468860927):
Created a new partition 1 of type 'Linux filesystem' and of size 223.6 GiB.
Partition #1 contains a vfat signature.
Do you want to remove the signature? [Y]es/[N]o: y
The signature will be removed by a write command.
Command (m for help): w
The partition table has been altered.
Calling ioctl() to re-read partition table.
Syncing disks.
liveuser@localhost-live:~$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
loop0 7:0 0 2G 1 loop /run/rootfsbase
sda 8:0 0 223.6G 0 disk
├─sda1 8:1 0 1007K 0 part
├─sda2 8:2 0 1G 0 part
└─sda3 8:3 0 222.6G 0 part
sdb 8:16 0 1G 0 disk
sr0 11:0 1 2.2G 0 rom /run/initramfs/live
zram0 251:0 0 7.7G 0 disk [SWAP]