Model: ATA ST9250315AS (scsi)
Disk /dev/sda: 250GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos

Number  Start   End     Size    Type     File system  Flags
 1      1049kB  206MB   205MB   primary  ext2         boot
 2      206MB   4203MB  3997MB  primary
 3      4203MB  220GB   216GB   primary
 4      220GB   250GB   30.0GB  primary  ntfs         boot


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