On 13/05/15 17:22, Michael Schwendt wrote:
On Tue, 12 May 2015 11:53:38 -0600, jd1008 wrote:
It would be a great idea if Fedora would provide
a way to downgrade to the immediately previous release
(from which the upgrade was performed), if the user
decides (for some reason) to return to the previous
release. This would completely obviate the need to
do a backup, and restore - especially for a 1TB or
more drives (I have a 4TB drive, for example).
Most software doesn't look back and only adjusts runtime files to the
new version you run. Not limited to config files and settings, it can
also be a migration to a new storage/database format. Same for RPM
packages. If at all, they contain triggers/scriptlets that move forward.
Downgrades of such packages would be a completely unplanned and
unhandled scenario.
This would be very difficult because many of the old code and files need
reinstallation after the core is reinstalled as a downgrade. It would
mean virtually the same process as a fresh installation of a past
version from usb or disk.
Roger
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