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docs: improve documentation of pg_basebackup_options

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Ian Barwick
2017-11-15 20:50:13 +09:00
parent 9d432546bf
commit a9a17f206e
2 changed files with 27 additions and 5 deletions
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15
doc/appendix-faq.sgml
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@@ -142,7 +142,7 @@
<title>I've provided replication permission for the <literal>repmgr</literal> user in <filename>pg_hba.conf</filename>
but <command>repmgr</command>/<application>repmgrd</application> complains it can't connect to the server... Why?</title>
<para>
<command>repmgr</command> and<application>repmgrd</application> need to be able to connect to the repmgr database
<command>repmgr</command> and <application>repmgrd</application> need to be able to connect to the repmgr database
with a normal connection to query metadata. The <literal>replication</literal> connection
permission is for PostgreSQL's streaming replication (and doesn't necessarily need to be the <literal>repmgr</literal> user).
</para>
@@ -155,8 +155,17 @@
Cloning a standby is a one-time action; the role of the server being cloned
from could change, so fixing it in the configuration file would create
confusion. If &repmgr; needs to establish a connection to the primary
server, it can retrieve this from the <literal>repmgr.nodes</literal> table or if necessary
scan the replication cluster until it locates the active primary.
server, it can retrieve this from the <literal>repmgr.nodes</literal> table on the local
node, and if necessary scan the replication cluster until it locates the active primary.
</para>
</sect2>
<sect2 id="faq-repmgr-clone-waldir-xlogdir" xreflabel="Providing a custom WAL directory">
<title>When cloning a standby, how do I ensure the WAL files are placed in a custom directory?</title>
<para>
Provide the option <literal>--waldir</literal> (<literal>--xlogdir</literal> in PostgreSQL 9.6
and earlier) with the absolute path to the WAL directory in <varname>pg_basebackup_options</varname>.
For more details see <xref linkend="cloning-advanced-pg-basebackup-options">.
</para>
</sect2>