# sfdisk /dev/sdb
Checking that no-one is using this disk right now ...
OK
Disk /dev/sdb: cannot get size
Disk /dev/sdb: 0 cylinders, 255 heads, 63 sectors/track
sfdisk: ERROR: sector 0 does not have an msdos signature
/dev/sdb: unrecognized partition table type
Old situation:
No partitions found
Input in the following format; absent fields get a default value.
<start> <size> <type [E,S,L,X,hex]> <bootable [-,*]> <c,h,s> <c,h,s>
Usually you only need to specify <start> and <size> (and perhaps <type>).
/dev/sdb1 :1 2086
Warning: given size (2086) exceeds max allowable size (0)