Change Details

Steps: [] Stop replication on pc1014. [] Merge CR to change pc3 primary to be pc1014: TODO [] Deploy: `scap sync-file wmf-config/ProductionServices.php "Set pc1014 as pc3 primary T307101"` [] Downtime pc3: `sudo cookbook sre.hosts.downtime --hours 1 -r "Rebooting pc1012 T307101" 'A:db-section-pc3'` [] Reboot pc1013: `SKIP_DBCTL=1 SKIP_START_SLAVE=1 ~kormat/bin/reboot-host T303174 pc1013.eqiad.wmnet` [] Revert previous CR [] Deploy: `scap sync-file wmf-config/ProductionServices.php "Set pc1013 as pc3 primary T307101"` [] Start replication on pc1014. Note that pc2013 will stay trying to replicate from pc1013 during this time.

Steps: [] Stop replication on pc1014. [] Merge CR to change pc3 primary to be pc1014: https://gerrit.wikimedia.org/r/c/operations/mediawiki-config/+/787497 [] Deploy: `scap sync-file wmf-config/ProductionServices.php "Set pc1014 as pc3 primary T307101"` [] Downtime pc3: `sudo cookbook sre.hosts.downtime --hours 1 -r "Rebooting pc1012 T307101" 'A:db-section-pc3'` [] Reboot pc1013: `SKIP_DBCTL=1 SKIP_START_SLAVE=1 ~kormat/bin/reboot-host T303174 pc1013.eqiad.wmnet` [] Revert previous CR [] Deploy: `scap sync-file wmf-config/ProductionServices.php "Set pc1013 as pc3 primary T307101"` [] Start replication on pc1014. Note that pc2013 will stay trying to replicate from pc1013 during this time.

Steps: [] Stop replication on pc1014. [] Merge CR to change pc3 primary to be pc1014: TODOhttps://gerrit.wikimedia.org/r/c/operations/mediawiki-config/+/787497 [] Deploy: `scap sync-file wmf-config/ProductionServices.php "Set pc1014 as pc3 primary T307101"` [] Downtime pc3: `sudo cookbook sre.hosts.downtime --hours 1 -r "Rebooting pc1012 T307101" 'A:db-section-pc3'` [] Reboot pc1013: `SKIP_DBCTL=1 SKIP_START_SLAVE=1 ~kormat/bin/reboot-host T303174 pc1013.eqiad.wmnet` [] Revert previous CR [] Deploy: `scap sync-file wmf-config/ProductionServices.php "Set pc1013 as pc3 primary T307101"` [] Start replication on pc1014. Note that pc2013 will stay trying to replicate from pc1013 during this time.