Working with parted OR partitions larger then 2TB

$ parted /dev/sda
(parted) mklabel gpt
(parted) mkpart primary ext3 0s -1s
Warning: You requested a partition from 0,00kB to 7000GB.
The closest location we can manage is 17,4kB to 7000GB.  
Is this still acceptable to you?
Yes/No? yes
(parted) print
 
Disk /dev/sda: 7000GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
 
Number  Start   End     Size    File system  Name     Flags
 1      17,4kB  7000GB  7000GB  ext3         primary