Hi, I wonder why wipefs does not show all MBR and GPT signatures which would be deleted by using "-fa". $ truncate -s 100M /tmp/CCC $ ./sfdisk /tmp/CCC <<EOF > label: gpt > label-id: 384A8F14-17FF-4782-A190-A5B858E3FCF0 > device: /tmp/CCC > unit: sectors > first-lba: 34 > last-lba: 204766 > EOF $ ./wipefs -fa --no-act /tmp/CCC /tmp/CCC: 8 bytes were erased at offset 0x00000200 (gpt): 45 46 49 20 50 41 52 54 $ ./wipefs -fa /tmp/CCC /tmp/CCC: 8 bytes were erased at offset 0x00000200 (gpt): 45 46 49 20 50 41 52 54 /tmp/CCC: 8 bytes were erased at offset 0x063ffe00 (gpt): 45 46 49 20 50 41 52 54 /tmp/CCC: 2 bytes were erased at offset 0x000001fe (PMBR): 55 aa cu, Rudi -- To unsubscribe from this list: send the line "unsubscribe util-linux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html