No problem!
parted /dev/cciss/c0d1p1
mklabel gpt
mkpart primary ext4 1 -1 # 1 and -1 mean from begining to end of table = whole disc.
quit
And finish: mkfs.ext4 /dev/cciss/c0d1p1
But…
Sometimes: Warning: The resulting partition is not properly aligned for best performance.
So: Write from 0% to 100%
(parted) mkpart
Partition name? []? w-raid
File system type? [ext2]? ext4
Start? 0%
End? 100%