USB booting :: start over with USB?

Hi. I had the USB drive working with the floppy boot disk on my laptop. I used it to install both frugal and regular. Then I blew away the partition on the hard drive and tried to boot with the floppy again. Didn't like that.

I thought I'd re-install on the USB drive. Went to a computer, booted with DSL CD-ROM and used the utility to try to re-install. Got:

/blkrrpart failed: device or resource busy
formatting /dev/sda12
formatting /dev/sda11
mkdosfs 2.9
/dev/sda11 - no such device or address

I thought that I would just blow everything away on the usb drive and try again. opened up a command prompt and tried sfdisk /dev/sda1 and it complained that either there wasn't a drive or couldn't access it. Can't remember. Same for hda1, etc that I tried as a test. I was running DSL with dsl toram option.

Anyway to start over with my USB? Are there windows tool I could use to get back to one partition on the drive?

Thanks.
Steve

I figured it out. I had to blow away all the partitions and start over. Wasn't completely easy to learn how to do that, but it worked.

Thanks anyway.

original here.