On Tue, Jan 5, 2010 at 11:24 AM, MHR mhullrich@gmail.com wrote:
On Tue, Jan 5, 2010 at 7:46 AM, Oliver Schulze L. oliver@samera.com.py wrote:
Hi, It is posible to do a simple procedure to upgrade a Centos 5.4 32bits (i686) to a Centos 5.4 64bits(x32_64)?
I was thinking about an upgrade or install without formating.
I will have a current backup before doing it.
Any advice/tips is welcome.
I *strongly* doubt it. When you go from 32 to 64 bit systems, you are essentially replacing the kernel and (at least) about 90% of the standard libraries. I am willing to bet that this mandates an installation.
For the record, I've never tried it. When I put CentOS on my machine, I already had a 64-bit CPU and I never seriously considered NOT using the 64-bit install.
HTH.
mhr
Sorry - PS: IIRC, you don't _have_ to format your disks to install over what's on them - check the installation options when you get that far and read through them carefully. You should be able to re-use existing partitions, but I can't remember whether that *requires* reformatting them - I've just always done that (reformat them).