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Add mention that Shared Disk Failover can use file system mirroring of

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the mirroring is consistent.
This commit is contained in:
Bruce Momjian
2006-11-20 21:26:22 +00:00
parent fb2619859c
commit b8c01d9dac
1 changed files with 5 additions and 2 deletions
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7
doc/src/sgml/high-availability.sgml
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@@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/high-availability.sgml,v 1.2 2006/11/20 15:07:13 momjian Exp $ --> <!-- $PostgreSQL: pgsql/doc/src/sgml/high-availability.sgml,v 1.3 2006/11/20 21:26:22 momjian Exp $ -->
<chapter id="high-availability"> <chapter id="high-availability">
<title>High Availability and Load Balancing</title> <title>High Availability and Load Balancing</title>
@@ -98,7 +98,10 @@
disk array fails or becomes corrupt, the primary and standby disk array fails or becomes corrupt, the primary and standby
servers are both nonfunctional. Another issue is that the servers are both nonfunctional. Another issue is that the
standby server should never access the shared storage while standby server should never access the shared storage while
the primary server is running. the primary server is running. It is also possible to use
some type of file system mirroring to keep the standby server
current, but the mirroring must be done in a way that the
standby server has a consistent copy of the file system.
</para> </para>
</listitem> </listitem>
</varlistentry> </varlistentry>