Hi CommRel,

We are planning the datacenter switchback for the week of April 24th, 2023 (week 17) with the following schedule:

• Services: Tuesday, April 25th, 2023 14:00 UTC
• MediaWiki: Wednesday, April 26th, 2023 14:00 UTC this is the read only

FYI, the March 2023 switchover resulted in 119 seconds of read-only time.

Sorry for the shorter than usual notice, if it's too short we may be able to push it back a little.

Thanks!

Planning (the one-week version)

The week before (April 17 - week 16)

Message to communities

• Update the message to communities - done by @Trizek-WMF
• Check on dates and links - done by @UOzurumba
• Check translations for quality review (aka do they make sense) - done by @UOzurumba

Central notice Banner

• Set the banner, for display on all wikis 30 minutes before it happens (level: emergency, type: maintenance, displayed to logged-in users). - done by @Trizek-WMF
• Check if the banner redirects to https://meta.wikimedia.org/wiki/Tech/Server_switch - done by @sgrabarczuk
• Check translations for quality review (aka do they make sense) - done by @sgrabarczuk
• Check pending translations and change their state to 'Published' when needed. - done by @sgrabarczuk

Messaging our users

• Emailing wikitech-l (use the message for communities) - done by @sgrabarczuk
• Add to the news on the Meta front page - done by @Trizek-WMF
• Send the message to communities
  • non-technical village pumps done by @UOzurumba
  • bot coordination pages done by @UOzurumba
• Add it to Tech News. - done by @Trizek-WMF

Messaging our colleagues

• Add the date to Asana, with a link to this task - done by @Trizek-WMF
• Inform Movement Comms - done by @Trizek-WMF on Slack
• email foundation-optional, Engineering-all, ops (done by @Clement_Goubert )
• #engineering-all, general, global-announce slack (done by @Clement_Goubert )

The week it happens (April 24 - week 17)

• Sync with @Clement_Goubert to know if everything goes fine.

The week after

• Debrief how it went, and document (comment on this task)