Quote Originally Posted by Capricorny View Post
I just tried out expanding knoppix-data.img to 8.5 GB, and that works well on ext3. I place the Knoppix package on an ext3 partition and run from there, starting from USB with the fromhd= cheatcode. I'm not sure if there will be some kind of performance problems with large loop-mounted images, but I haven't seen any so far. So I will try with an even larger persistent store, allowing me to do more comprehensive installs and compile large programs.
I have used ext3 persistent store for quite sometime now. The only performance problem with large ext3 and ext2 file system ( not specifically to loop-mounted ones ) is when you have to do file system check. The file system check time is really slow when compared to ext4.