Note: it  date was later corrected to be Friday April 11th.

--
Devin “Zppix” CCENT
Volunteer Wikimedia Developer
Africa Wikimedia Developers Member and Mentor
Volunteer Mozilla Support Team Member (SUMO)
Quora.com Partner Program Member
enwp.org/User:Zppix
**Note: I do not work for Wikimedia Foundation, or any of its chapters. I also do not work for Mozilla, or any of its projects. ** 

Begin forwarded message:

From: Manuel Arostegui <marostegui@wikimedia.org>
Date: April 5, 2019 at 1:22:12 AM CDT
To: Operations Engineers <ops@lists.wikimedia.org>, Wikimedia developers <wikitech-l@lists.wikimedia.org>
Subject: [Wikitech-l] s3 primary db master failover on Thursday 10th April 05:00AM UTC
Reply-To: Wikimedia developers <wikitech-l@lists.wikimedia.org>

Hello,

Due to hardware malfunction on the current s3 database primary master
(T219115) we need to failover it to a different host.

We are going to do this on Thursday 10th at 05:00 AM UTC, and we have
requested a 30 minutes window (T220080) as we have to go read only for all
the wikis living on s3 (P7994).

Impact: Writes will be blocked, reads will remain unaffected.
Time: 05:00AM UTC - 05:30 AM UTC (we do not expect to use the full 30
minutes window).

Communication will happen at #wikimedia-operations
If you are around at that time and want to help with the monitoring, please
join us!

Thanks
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