docs: re-add instructions on setting wal_level for rsync use
authorBruce Momjian <bruce@momjian.us>
Wed, 20 Sep 2017 13:36:19 +0000 (09:36 -0400)
committerBruce Momjian <bruce@momjian.us>
Wed, 20 Sep 2017 13:36:19 +0000 (09:36 -0400)
commit4131cc6b90ce274a44462627a1c878bf1950838b
tree602863035dc78412ab3aea92940710076dbdb326
parent0017aa981fef11f48a4c347b512d21f41d6e1ee1
docs:   re-add instructions on setting wal_level for rsync use

This step was erroneously removed four days ago by me.

Reported-by: Magnus via IM
Backpatch-through: 9.5
doc/src/sgml/ref/pgupgrade.sgml