docs: improve pg_upgrade standby instructions
This makes it clear that pg_upgrade standby upgrade instructions should
only be used in link mode, adds examples, and explains how rsync works
with links.
Reported-by: Andreas Joseph Krogh
Discussion: https://postgr.es/m/VisenaEmail.6c.c0e592c5af4ef0a2.15e785dcb61@tc7-visena
Backpatch-through: 9.5
Branch
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REL9_6_STABLE
Details
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https://git.postgresql.org/pg/commitdiff/3b3327ef2762bf6753ccd5bee75a4935a09bd0a1
Modified Files
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doc/src/sgml/ref/pgupgrade.sgml | 64 ++++++++++++++++++++++++++---------------
1 file changed, 41 insertions(+), 23 deletions(-)