The suffix specified is now vhd. Since the option isn't specified with a type, the option has the default of sparse. Note that the disk file, vdisk_vhd, isn't fully populated to 8G.
# vdiskadm create -s 8g -t vhd root_disk_vhd # ls -l root_disk_vhd total 44 -rw------- 1 root root 21504 May 8 16:15 vdisk.vhd -rw-r--r-- 1 root root 590 May 8 16:15 vdisk.xml |