'loop' is an intentional pseudo disklabel that means there is no partition table.
Ricky Tigg writes: > Hi. Initial situation: > > (parted) print > Error: /dev/sdc: unrecognised disk label > Model: Kingston DataTraveler 102 (scsi) > Disk /dev/sdc: 8007MB > Sector size (logical/physical): 512B/512B > Partition Table: unknown > Disk Flags: > > Then on purpose I attempted to execute the following command without > creating previously to it a partition table. Its execution shouldn't have > been possible since a partition table is required before partitions can be > added to a device. Though it was executed. > > # mkfs.ext4 -FL 'USB' '/dev/sdc' > > As result *no partition table* is supposed to be created neither possible > to be created using above mentioned command. However as result of that > execution, *Parted* reports 'Partition Table: loop'. while expected result > would be *none.* > > (parted) print > Model: Kingston DataTraveler 102 (scsi) > Disk /dev/sdc: 8007MB > Sector size (logical/physical): 512B/512B > Partition Table: loop > Disk Flags: > > Number Start End Size File system Flags > 1 0.00B 8007MB 8007MB ext4 > > For comparison *Gparted* interpretation – Partition Table: none with an > *ext4* file system created – as illustrated in attachment. That is neither > practically possible. Regards.
