[pgpool-committers: 5786] pgpool: Doc: add general description about failover.

[Tatsuo Ishii]

Doc: add general description about failover.

Branch
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V3_6_STABLE

Details
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https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=a4ed3b11eab905571fbbe7d5489da4954746873f

Modified Files
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doc.ja/src/sgml/failover.sgml | 50 ++++++++++++++++++++++++-
doc/src/sgml/failover.sgml    | 86 +++++++++++++++++++++++++++++++++++++++++++
2 files changed, 135 insertions(+), 1 deletion(-)