Hello,s3 master switchover will start in 1h: https://phabricator.wikimedia.org/T230783List of affected wikis: https://raw.githubusercontent.com/wikimedia/operations-mediawiki-config/master/dblists/s3.dblistFurther, the host that will be replaced is db1075, which crashed yesterday evening due to HW malfunction: https://phabricator.wikimedia.org/T233534Thanks,Manuel.