Disk /dev/sda: 16.9 GiB, 18103500800 bytes, 35358400 sectors
Disk model: VBOX HARDDISK   
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: 4D359F9B-E6FC-4B49-8EF8-7382530C15CB

Device        Start      End  Sectors   Size Type
/dev/sda1      2048  1050623  1048576   512M Linux filesystem
/dev/sda2   1050624 34605055 33554432    16G Linux filesystem
/dev/sda3  34605056 35358366   753311 367.8M Linux filesystem


Disk /dev/loop0: 489.5 MiB, 513298432 bytes, 1002536 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes