Remastering your own system is a 2 step process, first you create an ISO image, second you burn your ISO image, the result is a CD containing the flavor PCLINUXOS-2011-msmeme.
The difficult (may be) are around to choose what to backup and what to leave out from, and the need for some free hard disk space..
Please provide the following info: post the content of the file /etc/fstab and the output of the command blkid