Since 9.5 has two WAL levels that apply to standby upgrades, archive and
hot_standby, adjust the docs for that version to say, basically, "restore old
cluster wal_level value in the new cluster".
This is a follow-on patch to
fd376afc9863dd8ea3eba95edfa79961173e706f.
Backpatch-through: 9.5 only
Also, if upgrading standby servers, change wal_level>
- to replica> in the postgresql.conf> file on
- the new master cluster.
+ in the postgresql.conf> file on the new master cluster
+ to match the value you used in the old cluster.