Change Details

Steps to upgrade: [x] Sanitarium hosts on both DCs (already done https://phabricator.wikimedia.org/T275112 https://phabricator.wikimedia.org/T272008) [x] Sanitarium masters on both DCs (https://phabricator.wikimedia.org/T280492) - ensure sanitarium replicates from a 10.4 host. [x] Available backup source on the standby DC db2101 (to be confirmed by @jcrespo) [x] Candidate master on the standby DC [x] Master on the standby DC [x] Switchover backup generation standby DC (to be coordinated/confirmed with @jcrespo) https://gerrit.wikimedia.org/r/c/operations/puppet/+/693142 [] Candidate master on the primary DC [x] Available backup source on the primary DC db1150 (to be confirmed by @jcrespo) [] Switchover on the primary DC to promote a Buster+10.4 host to master: T284529 [] Switchover backup generation Primary DC https://gerrit.wikimedia.org/r/c/operations/puppet/+/698157 [] Upgrade the old master and make it a candidate master. [] Add s5 to orchestrator [] Cleanup (remove) old backup sources from both DCs Please read the [[ https://docs.google.com/document/d/1tYfOYROB_XjD0x_vrCRn8KpjCPUflCDuhKz8cXJvtFk/edit?ts=607fb79e | doc ]] about procedure for more details.

Steps to upgrade: [x] Sanitarium hosts on both DCs (already done https://phabricator.wikimedia.org/T275112 https://phabricator.wikimedia.org/T272008) [x] Sanitarium masters on both DCs (https://phabricator.wikimedia.org/T280492) - ensure sanitarium replicates from a 10.4 host. [x] Available backup source on the standby DC db2101 (to be confirmed by @jcrespo) [x] Candidate master on the standby DC [x] Master on the standby DC [x] Switchover backup generation standby DC (to be coordinated/confirmed with @jcrespo) https://gerrit.wikimedia.org/r/c/operations/puppet/+/693142 [x] Candidate master on the primary DC [x] Available backup source on the primary DC db1150 (to be confirmed by @jcrespo) [] Switchover on the primary DC to promote a Buster+10.4 host to master: T284529 [] Switchover backup generation Primary DC https://gerrit.wikimedia.org/r/c/operations/puppet/+/698157 [] Upgrade the old master and make it a candidate master. [] Add s5 to orchestrator [] Cleanup (remove) old backup sources from both DCs Please read the [[ https://docs.google.com/document/d/1tYfOYROB_XjD0x_vrCRn8KpjCPUflCDuhKz8cXJvtFk/edit?ts=607fb79e | doc ]] about procedure for more details.

Steps to upgrade: [x] Sanitarium hosts on both DCs (already done https://phabricator.wikimedia.org/T275112 https://phabricator.wikimedia.org/T272008) [x] Sanitarium masters on both DCs (https://phabricator.wikimedia.org/T280492) - ensure sanitarium replicates from a 10.4 host. [x] Available backup source on the standby DC db2101 (to be confirmed by @jcrespo) [x] Candidate master on the standby DC [x] Master on the standby DC [x] Switchover backup generation standby DC (to be coordinated/confirmed with @jcrespo) https://gerrit.wikimedia.org/r/c/operations/puppet/+/693142 [x] Candidate master on the primary DC [x] Available backup source on the primary DC db1150 (to be confirmed by @jcrespo) [] Switchover on the primary DC to promote a Buster+10.4 host to master: T284529 [] Switchover backup generation Primary DC https://gerrit.wikimedia.org/r/c/operations/puppet/+/698157 [] Upgrade the old master and make it a candidate master. [] Add s5 to orchestrator [] Cleanup (remove) old backup sources from both DCs Please read the [[ https://docs.google.com/document/d/1tYfOYROB_XjD0x_vrCRn8KpjCPUflCDuhKz8cXJvtFk/edit?ts=607fb79e | doc ]] about procedure for more details.