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doc: better explain where pg_bindir won't be applied

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Basically any setting which can contain a user-defined script
*must* have the full path set, even if it's repmgr being executed.

We could potentially apply some heuristics to detect if the first
item in the setting is "repmgr" (or more precisely repmgrd's program
name), but this will require some careful thought and testing
that it works as intended.
This commit is contained in:
Ian Barwick
2018-08-10 10:23:50 +09:00
parent 4c44c01380
commit 5398fd2d22
5 changed files with 62 additions and 13 deletions
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11
doc/appendix-faq.sgml
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@@ -303,5 +303,16 @@
</para>
</sect2>
<sect2 id="faq-repmgrd-pg-bindir" xreflabel="repmgrd does not apply pg_bindir to promote_command or follow_command">
<title>
<application>repmgrd</application> ignores pg_bindir when executing <varname>promote_command</varname> or <varname>follow_command</varname>
</title>
<para>
<varname>promote_command</varname> or <varname>follow_command</varname> can be user-defined scripts,
so &repmgr; will not apply <option>pg_bindir</option> even if excuting &repmgr;. Always provide the full
path; see <xref linkend="repmgrd-automatic-failover-configuration"> for more details.
</para>
</sect2>
</sect1>
</appendix>