On 08/11/2015 01:32 PM, Patrick O'Callaghan wrote:
On Tue, 2015-08-11 at 13:13 +0200, Ralf Corsepius wrote:
On 08/11/2015 12:51 PM, Patrick O'Callaghan wrote:
On Tue, 2015-08-11 at 10:35 +0200, Heinz Diehl wrote:
F22, in short: first running "dnf --refresh upgrade" shows some
new
packets. Then "dnf clean all" followed by "dnf --refresh upgrade"
shows the same packets to be updated, and *some more*.
So two update commands at different times give different results?
IIUC, you are misunderstanding.
The issues behind this are
- "dnf --refetch" is refetching different versions of metadata from
different (and differently sync'ed and/or broken) mirrors
- fedora's mirrorlists are pointing to mirrors being out of sync.
What matters is whether dnf is seeing the same state the two times it
runs. In this case it clearly isn't.
Exactly. With "dnf --refresh" it often does not see the same state.
However, it should! The fact it does not see the same state, means
https://mirrors.fedoraproject.org pushing bogus information.
In addition to that, https://mirrors.fedoraproject.org seems to have
been down and inaccessible for several hours, last weekend, which
caused additional issues with dnf (and yum).
Same result. If dnf is run twice you can't guarantee it will give the
same result.
If dnf and mirror-management was functional, then - except in those rare
situations when the master has just been updated - they must point to
mirrors carrying an identical state.
That's an inherent feature of loosely distributed systems
(where there isn't a distributed consensus protocol). Obviously the
wider apart the two runs, the more differences will tend to appear, but
the presence of differences does not in itself indicate a problem.
My assumption is: mirror-manager is dysfunctional and dnf isn't
sufficiently robust.
Ralf
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