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doc: note "pg_read_all_settings" in FAQ

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Relevant for PostgreSQL 10 and later where the repmgr user is not a superuser.
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Ian Barwick
2019-01-16 11:27:35 +09:00
parent 630e25b83a
commit a66ef24293
1 changed files with 8 additions and 0 deletions
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doc/appendix-faq.sgml
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@@ -189,6 +189,14 @@
directory while the PostgreSQL server is not running, e.g. to confirm
it shut down cleanly during a <link linkend="performing-switchover">switchover</link>.
</para>
<para>
Additionally, this provides support when using &repmgr; on PostgreSQL 9.6 and
earlier, where the <literal>repmgr</literal> user is not a superuser; in that
case the <literal>repmgr</literal> user will not be able to access the
<literal>data_directory</literal> configuration setting, access to which is restricted
to superusers. (In PostgreSQL 10 and later, non-superusers can be added to the
group <option>pg_read_all_settings</option> which will enable them to read this setting).
</para>
</sect2>
</sect1>