Bug 459328 - RFE: provide a way to clean stale/failed preupgrade files, to allow re-running it.
RFE: provide a way to clean stale/failed preupgrade files, to allow re-runnin...
Product: Fedora
Classification: Fedora
Component: preupgrade (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Seth Vidal
Fedora Extras Quality Assurance
: FutureFeature, Reopened
Depends On:
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Reported: 2008-08-16 11:51 EDT by Răzvan Sandu
Modified: 2014-01-21 01:10 EST (History)
3 users (show)

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Fixed In Version:
Doc Type: Enhancement
Doc Text:
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Clone Of:
Last Closed: 2012-12-03 15:49:40 EST
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RHEL 7.3 requirements from Atomic Host:
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Description Răzvan Sandu 2008-08-16 11:51:01 EDT
Description of problem:

This was originally reported as bug #444979:

Suppose one completes (partially or totally) the first phase of preupgrade -
until reboot. Than it changes mind and don't want to perform the upgrade. Could
you please explain how to revert system in the old *clean* state (delete all
packages, images and grub entries that preupgrade has created, freeing disk space) ?

Actual results:
There is no apparent way of regaining the clean system state if upgrade via preupgrade is interrupted.

Expected results:
Please provide a way (software, documentation) for regaining a clean system state in upgrade is interrupted.

Comment 1 seth vidal 2008-11-04 10:47:01 EST
1. you have to remove the entry from your /etc/grub.conf manually - it should be the first entry

2. go to /var/cache/yum/preupgrade and remove all the files here.

that should be it.
Comment 2 Will Woods 2008-11-04 11:45:44 EST
preupgrade modifies data in ~3 places:


If you want to clean up manually, you can do:

grubby --remove-kernel=/boot/upgrade/vmlinuz
rm -rf /var/cache/yum/preupgrade* /boot/upgrade

In preupgrade-0.9.8 and later, you can restart preupgrade and answer "No" when it asks if you wish to continue your incomplete upgrade. That will clear out the caches in /var/cache/yum/preupgrade-* and /boot/upgrade. You may still need to run grubby (or edit /etc/grub.conf by hand).
Comment 3 Răzvan Sandu 2008-11-05 18:17:44 EST

This is absolutely *great news* , but, IMHO, the following action is needed:

- please add a switch to preupgrade, for automatic cleaning of interrupted upgrades (something like "preupgrade --clean")

- please document clearly this options in some *visible* place, say preupgrade's man page and/or online manual.

Comment 4 Yaniv Kaul 2012-12-01 14:43:13 EST
just encountered it with F17->F18beta.
Cleaned the system using the above methods, it still not cleaned enough - it does not prompt me to again get the files for F18beta.

Re-opening as a RFE.
Comment 5 Will Woods 2012-12-03 15:49:40 EST
Preupgrade is obsoleted in favor of fedup. It can't possibly work to upgrade to F18 because the F18 installer doesn't support preupgrade - or any kind of upgrade at all. This is handled by fedup now - see bug 874495.

As for cleanup - "fedup-cli --clean" should remove everything that fedup has changed: delete downloaded files, remove symlinks, revert bootloader changes, etc.

If fedup-cli --clean doesn't clean everything, please open a new bug against fedup.

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