Model: ATA VBOX HARDDISK (scsi)
Disk /dev/sda: 107GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos

Number Start	End	Size	Type	File	system Flags
1	1049kB	5369MB	5368MB	primary	ext4	boot
2	5370MB	71.5GB	66.1GB	extended

Warning: Unable to open /dev/sr0 read-write (Read-only file system). /dev/sr0 has been opened read-only.
Error: /dev/sr0: unrecognized disk label.