I'm trying to install Centos 5.1 on an external USB drive. I have 17
gigs free space, 2 gigs ext2, 420 gig of personal data. I've backed
up the personal data incase anything goes wrong. During installation
it allows me to pick the USB hard drive but then I get a warning
message "You have chosen to remove all Linux partitions (and ALL DATA
on them) on the following drives. /dev/sda. Is this just going to
search for Linux partitions and erase the data on them or will it
delete all data from the hard drive. I'm hoping for the Centos
installation just to use the free space and ext2 partitions. The free
space is for the installation and the ext2 would be for the Swap.

Thanks for the help,
Pete