l;dr: All Fedora Infrastructure systems will be updated and rebooted over this week.

Systems that can be done outside of the planned outage. 2018-10-01 21:00 UTC Staging and downloads 2018-10-02 throughout the 'day' single proxies will be updated/rebooted. 2018-10-03 production systems including all build servers will be rebooted.

=== Planned Outage - Build/Production - 2018-10-03 21:00 UTC

There will be an outage starting at 2018-10-03 21:00 UTC, which will last approximately 4 hours.

To convert UTC to your local time, take a look at http://fedoraproject.org/wiki/Infrastructure/UTCHowto or run:

date -d '2018-10-03 21:00UTC'

Reason for outage:

Various kernel, library, and general security updates need to be applied to all servers. Due to the kernel, glibc, and other updates.. all systems will be rebooted afterwords

Affected Services:

All build, production and related services will be affected.

Ticket Link:

https://pagure.io/fedora-infrastructure/issue/7272

Please join #fedora-admin or #fedora-noc on irc.freenode.net or add comments to the ticket for this outage above.