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[UPDATE - This was completed. All Q&A sites have their databases in GCP now.]

Over the next several weeks, we’ll be migrating the remaining Stack Exchange sites from our data centers to the GCP (Google Cloud Platform). Each site will briefly go into a read-only state during the move. This state should be less than five minutes and only occur once per site. If a site is unexpectedly put into a read-only mode for longer than this, an update on this post will be made. Chat will not be impacted.

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    That is a fast "next several weeks" ;-) Commented Apr 11 at 6:43
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    @BartvanIngenSchenau Underpromise and overdeliver 😄 Commented Apr 11 at 7:39

2 Answers 2

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Is the current outage for me on Web Apps related?

page not working

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    I can replicate this issue - its not something listed as one of the possible signs of the move but... it seems like a good idea to verify Commented Apr 10 at 1:40
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    This is resolved, sorry for the blip. Commented Apr 10 at 2:34
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Will each site have a bit of advance notice before it goes into read only mode (ex. through the banners)? Or this is post all of the advance notice we're going to get?

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    If its site by site, and a 'small' disruption done as time and testing allows, it feels potentially onerous to update every site's update Commented Apr 9 at 1:09
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    What @JourneymanGeek says. It's not worth the effort to do per-site announcements on 300+ sites for what shouldn't be more than a blip of read-only time. Commented Apr 9 at 5:27
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    @balpha. Now there's an one these read-only blip on Portuguese Stack Overflow, I think it's the site being migrated to the GCP. Is that right? Commented Apr 9 at 14:34
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    @AugustoVasques Hmm no, pt.so hasn't moved yet. Not sure what happened there. Commented Apr 9 at 18:23
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    On the other hand - @balpha, might be worth bat/mod diamond signalling this, not all mods are MSE regulars and this might avoid some confusion Commented Apr 10 at 1:35
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    @balpha You seem to have a strange idea of a "blip": Database Administrators has been down for three hours already. Commented Apr 10 at 10:53
  • As the move of the sites was completed, this "answer" is "no longer needed". Commented Apr 11 at 18:12
  • I'd actually semi-disagree there. I disagree that per-site advance notice is needed but the feedback can be useful on future big projects Commented Apr 12 at 10:28
  • @Charlieface dba.meta.stackexchange.com/questions/3586/… Commented Apr 12 at 17:45
  • @Charlieface In fairness, balpha said shouldn't. We couldn't possibly predict an issue on any given site, or even when the automation would get to any specific site, so I'm not sure that per-site banners would have been accurate or helpful. Commented Apr 12 at 17:46
  • @JourneymanGeek I agree, however, that sounds more like a feature request to define the scenarios where we would consider per-site banners useful. Not as an answer to this specific maintenance incident. Commented Apr 12 at 18:31
  • Why not both D: - I'd consider this a useful artifact of this migration. Presumably if there's other large activities of this manner, a standalone meta post might be useful. Commented Apr 12 at 23:33

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