I've not had an issue installing to a usb stick. What exactly is your install doing?
I usually use ext4, but flash drives don't have a drive cache. When I format ext4
without flex_bg the flash drive runs 200% better. xfs and ext3 do not have the
flex_bg option in ext4 which runs very slow on the flash drive. Surprised you
haven't been disappointed with flash drive performance, unless ext3 was used,
which is good.
I've decided to use xfs for everything, has the best options by default, etc..
Noticed when I installed LV it wasn't available to install on, so I made the
request.
THX
patrick