On Sat, 06 Oct 2007 22:57:54 +0200, Arthur Dent wrote:

> Hello,
>
> is there any linux driver that makes it possible to use an flash drive like
> an USB stick as cache for the disks?
>
>
> Thank you very much!
> AD

Besides the aforementioned finite life, it's going to be significantly
slower than a hard disk.