Thread: pgsql: Document that the pg_upgrade user of rsync might want to skip so

Document that the pg_upgrade user of rsync might want to skip some
files, like postmaster.pid.

Backpatch to 9.2.

Branch
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REL9_2_STABLE

Details
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http://git.postgresql.org/pg/commitdiff/54e3c4af2340bcfbd203e60c05b5e2bb9ad1108d

Modified Files
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doc/src/sgml/pgupgrade.sgml |    4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)