Change Details

s6 should be the first section to be upgraded entirely to 10.4 and Buster. 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] eqiad: db1085 (getting replaced by db1165 T258361) [x] codfw: db2076 (done as part of T280492) [x] Available backup source on the standby DC [x] Candidate master on the standby DC [] Master on the standby DC [] Switchover backup generation standby DC https://gerrit.wikimedia.org/r/c/operations/puppet/+/681621 [] Candidate master on the primary DC [x] Available backup source on the primary DC [] Switchover on the primary DC to promote a Buster+10.4 host to master [] Switchover backup generation Primary DC <patch pending> [] Upgrade the old master and make it a candidate master. [] Cleanup (remove) od backup source from both DCs Please read the [[ https://docs.google.com/document/d/1tYfOYROB_XjD0x_vrCRn8KpjCPUflCDuhKz8cXJvtFk/edit?ts=607fb79e | doc ]] about procedure for more details.

s6 should be the first section to be upgraded entirely to 10.4 and Buster. 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] eqiad: db1085 (getting replaced by db1165 T258361) [x] codfw: db2076 (done as part of T280492) [x] Available backup source on the standby DC [x] Candidate master on the standby DC [] Master on the standby DC [] Switchover backup generation standby DC https://gerrit.wikimedia.org/r/c/operations/puppet/+/681621 [] Candidate master on the primary DC [x] Available backup source on the primary DC [] Switchover on the primary DC to promote a Buster+10.4 host to master [] Switchover backup generation Primary DC <patch pending> [] Upgrade the old master and make it a candidate master. [] 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.

s6 should be the first section to be upgraded entirely to 10.4 and Buster. 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] eqiad: db1085 (getting replaced by db1165 T258361) [x] codfw: db2076 (done as part of T280492) [x] Available backup source on the standby DC [x] Candidate master on the standby DC [] Master on the standby DC [] Switchover backup generation standby DC https://gerrit.wikimedia.org/r/c/operations/puppet/+/681621 [] Candidate master on the primary DC [x] Available backup source on the primary DC [] Switchover on the primary DC to promote a Buster+10.4 host to master [] Switchover backup generation Primary DC <patch pending> [] Upgrade the old master and make it a candidate master. [] 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.