Hosts (9) are end-of-life; Provision restbase10[34-42] as replacements, and decommission restbase10[19-27].
#### Provision new hosts
[x] {T354560}
----
[x] Depool restbase service(s)
[x] Downtime
[] RESTBase scap targets ([[ https://gerrit.wikimedia.org/r/c/mediawiki/services/restbase/deploy/+/1015537 | r1015537 ]])
[] logstash-logback-encoder scap targets ([[ https://gerrit.wikimedia.org/r/c/operations/software/logstash-logback-encoder/+/1015538 | r1015538 ]])
[] Re-enable blocking read-repair (see: T360548 & P58877)
#### Cassandra decommissions
- row/rack: a
[x] restbase1019
[x] restbase1020
[x] restbase1021
- row/rack: b
[x] restbase1022
[x] restbase1023
[x] restbase1024
- row/rack: d
[x] restbase1025
[x] restbase1026
[x] restbase1027
#### Cassandra cleanups
- row/rack: a //...in-progress//
[] restbase1019
[] restbase1020
[] restbase1021
- row/rack: b
[] restbase1022
[] restbase1023
[] restbase1024
- row/rack: d
[] restbase1025
[] restbase1026
[] restbase1027
#### Hardware decommission
[] T361372