[mirror-admin] Fedora mirror tiering

[J.H.]

> I know a lot of people sync from kernel.org, and that they’ve had some
> troubles in the last few weeks with their servers,  so you may have
> changed away from them back to download.fedora.redhat.com (which now are
> dl.fedoraproject.org, managed by the Fedora sysadmin team now – yea!). 
> If you continue to have troubles with kernel.org, please make
> arrangements with one of the other Tiered mirror admins noted in the
> above link to be able to pull from them via private rsync.

As a specific note on that, we've solved all of those issues and no one
should be seeing problems syncing from us at this point.

- John 'Warthog9' Hawley

--