On 3-Apr-09, at 9:01 AM, sumit agarwal wrote: > hi , > > i have CentOs 4.4 x64 already up and running and i downloaded 5.2 > x64 .do i need to do a clean and reinstall , or i can install other > ways. > my dvd has 7 independ iso.. > > thanks, > Sumit. > Major version jumps are recommended to backup/fresh install/ restore. d