Created attachment 942352 [details]
images

Description of problem:
image 1: when describing the file system formats for preallocated and thin provision,the text is is incomplete and misleading.
For example, raw disks are the default choice for thin provision disks while the initial description excludes this fact.
image 2:
qcow2 preallocated image is not supported

Version-Release number of selected component (if applicable):
vt4

Actual results:
as described

Expected results:
1.The description should be widened to include thin provision raw sparse
2.the qcow2 preallocated row should be deleted