3. Create a directory for your mountpoint later. Example: /mnt/usbdisk
4. To mount VMFS, run following command "vmfs-fuse <volume> <mountpoint>". Example: vmfs-fuse /dev/sdb3 /mnt/usbdisk. If no error occur, it means that your mounting of datastore is completed.
5. To check, run "df -h". You should be able to view the listing.