Dear Wikitechians, I would like to remind you that the datacenter switchover will happen on *Wednesday March 1st* starting at *14:00 UTC.*
Please refer to the original email for any additional information. As always, you can reach out to me directly or the SRE team in #wikimedia-sre on IRC with any question, or through Phabricator. Thank you, On Tue, Feb 14, 2023 at 1:58 PM Clément Goubert <[email protected]> wrote: > Dear Wikitechians, > > On *Wednesday March 1st*, the SRE team will run a planned data center > switchover, moving all wikis from our primary data center in Virginia to > the secondary data center in Texas. This is an important periodic test of > our tools and procedures, to ensure the wikis will continue to be available > even in the event of major technical issues in our primary home. It also > gives all our SRE and ops teams a chance to do maintenance and upgrades on > systems in Virginia that normally run 24 hours a day. > > The switchover process requires a *brief read-only period for all > Foundation-hosted wikis*, which will start at *14:00 UTC on Wednesday > March 1st*, and will last for a few minutes while we execute the > migration as efficiently as possible. All our public and private wikis will > be continuously available for reading as usual, but no one will be able to > save edits during the process. Users will see a notification of the > upcoming maintenance, and anyone still editing will be asked to try again > in a few minutes. > > CommRel has already begun notifying communities of the read-only window. A > similar event will follow a few weeks later, when we move back to Virginia. > This is currently scheduled for *Wednesday, April 26th*. > > If you like, you can follow along on the day in the public > #wikimedia-operations channel on IRC (instructions for joining here > <https://meta.wikimedia.org/wiki/IRC/Instructions>). To report any > issues, you can reach us in #wikimedia-sre on IRC, or file a Phabricator > ticket with the *datacenter-switchover* tag (pre-filled form here > <https://phabricator.wikimedia.org/maniphest/task/edit/form/1/?projects=Datacenter-Switchover&subscribers=Clement_Goubert>); > we'll be monitoring closely for reports of trouble during and after the > switchover. (If you're new to Phab, there's more information at > Phabricator/Help.) The switchover and its preparation are tracked tracked > in Phabricator Task T327920 <https://phabricator.wikimedia.org/T327920> > > On behalf of the SRE team, please excuse the disruption, and our thanks to > everyone in a number of departments who've been involved in planning this > work for the past weeks. Feel free to reply directly to me with any > questions. > > Thank you, > > -- > Clément Goubert (they/them) > Senior SRE > Wikimedia Foundation > -- Clément Goubert (they/them) Senior SRE Wikimedia Foundation
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