stan wrote:
Used preupgrade available at
http://koji.fedoraproject.org/koji/packageinfo?packageID=6045 to
upgrade a Fedora 7 to Fedora 9. Worked well and even handled
problems. Saved me downloading a lot of stuff I didn't want, and got
all the stuff I did.
The first problem was that the root directory ran out of space after
stage 1. Preupgrade went into backup mode and downloaded the rest of
the stages during upgrade.
The second problem was that the root directory ran out of space during
transaction check. I was able to reboot to the existing OS, remove
some large packages (it told me how much space was needed), and restart.
The third problem was that a package was corrupt. I was able to
restart the computer, boot into Fedora 9, and it had installed
everything except that package (well, the package is there. I'll
probably remove and reinstall it). So the system is up and running
immediately.
This was not a small upgrade as there are 3900+ packages. At the end
there are less than a hundred packages that didn't get updated. Some
from third party repositories, some are obsolete. Very successful.
To find the packages that aren't updated run a command like
rpm -qa --qf
"%{INSTALLTIME}\t%{INSTALLTIME:day}\t%{NAME}\t%{SUMMARY}\n" | sort -n
> all_installed_pkgs.txt They will be the packages at the start of
the file.
So kudos to the developers of preupgrade! I found it while looking
for a solution to the grub error 2 on live install where the MBR isn't
written and maybe it is a good thing I had the problem. :-)
A couple of suggestions after watching the process occur.
Integrate bit torrent into this and prioritize the basic packages for
download first (glibc, kernel, hal, etc.) so that while the downloads
are occurring the basics can be sharing out to others. It took 18
hours to download the packages. If 10000 people are doing this, it
would really speed up the transfer for everyone to use a torrent.
Also, for those of us who don't use torrent regularly, it would ensure
that the security aspects were handled correctly.
Install the basic items first so that if there are problems the system
is bootable so the problems can be resolved from within it.
Give people the option of keeping the packages from the anaconda
install so they can do other upgrades. I intend to use them for all
of my upgrades. Because of the error I didn't see the end game so
this might already be there.
Again, wonderful piece of work. I can't imagine doing anything else
from now on.
Forgot one other suggestion. When the updates are completed and the
message box comes up saying, this could take a little while, it would be
great if there was some kind of progress indicator or explanation. It
took a few hours, as long as the install did. Because everything else
worked so well, and I could see the hard disk light going, I gave it the
benefit of the doubt and presumed it hadn't hung. But it would be nice
to see some feedback.
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