This has been happening since about the time of the outage c.a. two weeks ago.
There was also a recent zypper update that left a 'zypp.conf.rpmnew' because I
had multiversion kernel set. IIRC I modified the new one and replaced the old
one but it could have been the other way around.
sgt:/etc/zypp # zypper ref
Retrieving repository 'Application:/Geo' metadata ......................[done]
Building repository 'Application:/Geo' cache ...........................[done]
Repository 'Games' is up to date.
Retrieving repository 'Hamradio' metadata ..............................[done]
Building repository 'Hamradio' cache ...................................[done]
Retrieving repository 'Packman-Essentials' metadata ....................[done]
Building repository 'Packman-Essentials' cache .........................[done]
Retrieving repository 'Packman-Extra' metadata..........................[done]
Building repository 'Packman-Extra' cache ..............................[done]
Retrieving repository 'Packman-Games' metadata .........................[done]
Building repository 'Packman-Games' cache ..............................[done]
Retrieving repository 'Packman-Multimedia' metadata ....................[done]
Building repository 'Packman-Multimedia' cache .........................[done]
Repository 'VideoLan' is up to date.
Repository 'home:jengelh:dev' is up to date.
Repository 'hardware' is up to date.
File '/repodata/repomd.xml' not found on medium 'http://download.opensuse.org/
tumbleweed/repo/non-oss/'
Abort, retry, ignore? [a/r/i/...? shows all options] (a): i
Do you want to disable the repository Tumbleweed-Non-Oss permanently? [yes/no]
(no):
Skipping repository 'Tumbleweed-Non-Oss' because of the above error.
File '/repodata/repomd.xml' not found on medium 'http://download.opensuse.org/
tumbleweed/repo/oss/'
Abort, retry, ignore? [a/r/i/...? shows all options] (a): i
Do you want to disable the repository Tumbleweed-Oss permanently? [yes/no]
(no):
Skipping repository 'Tumbleweed-Oss' because of the above error.
File '/repodata/repomd.xml' not found on medium 'http://download.opensuse.org/
tumbleweed/repo/src-oss/'
Abort, retry, ignore? [a/r/i/...? shows all options] (a): i
Do you want to disable the repository Tumbleweed-Src-Oss permanently? [yes/no]
(no):
Skipping repository 'Tumbleweed-Src-Oss' because of the above error.
Repository 'Tumbleweed-Update' is up to date.
Some of the repositories have not been refreshed because of an error.
--
Tom Hardy