http://bugzilla.novell.com/show_bug.cgi?id=540587
User ma@novell.com added comment
http://bugzilla.novell.com/show_bug.cgi?id=540587#c15
--- Comment #15 from Michael Andres 2009-10-22 06:02:37 MDT ---
- Comment #9: '..whether it is a yast or squid issue...'
This is a potential problem whenever you update a package in a running system.
It is not related to squid only. It is not related to dup only. It is not
related to openSUSE only.
If one of the components required to perfrom the update (rpm, aria, curl, bash,
network, ..) breaks during the update, then you are stuck.
The solver can check whether the packages dependencies are ok, but NOT if after
the package update configfiles, package version and system settings still fit
together.
If you apply changes to a configfile and the package overwrites it, the service
may fail because the options are missing. If the package does not overwrite
your configfile, the service may fail because the options are no longer
supported, or because some newly introduced option is now missing. Whatever you
do it may fail.
The more packages involved, the bigger the chance for something to break. And
zypper dup performing a real distribution upgrade is a big transaction.
- If you encourage people to set DownloadInAdvance when doing zypper dup to
migrate from one openSUSE version to another, you should also tell them that
they probably need really much diskspace. This kind of dup will probably update
almost all installed packages.
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