It is my understanding that there is no upgrade path available from Red Hat 9 to Red Hat Enterprise Linux 3, so I doubt you will find anything of that nature in the CentOS installer either. It does seem a little odd since RH9 is so compatible with RHEL3. You should be able to find more information at redhat.com. cody > > Message: 1 > > Date: Sat, 3 Apr 2004 19:47:15 -0800 (PST) > > From: Bart Schaefer <schaefer at zanshin.com> > > To: centos at caosity.org > > Subject: [Centos] Upgrade install using CentOS-3.1 ISO images > > > > Cutting straight to the chase: > > > > When, if ever, does the installer offer an option to upgrade an existing > > installation, rather than wanting to reformat the disks? > > > > More details than you may want: > > > > I recently acquired a new PC chassis, with no operating system but with a > > Serial-ATA disk (which I was not expecting when I ordered it). I set the > > BIOS for legacy IDE mode and installed RedHat 9, then attempted to upgrade > > the kernel to add SATA support, without much luck. > >