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>Chapter 1. Preface</H1
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><DT
><B
>Table of Contents</B
></DT
><DT
>1.1. <A
HREF="preface.html#INTRODUCTION"
>Introduction to <SPAN
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>Slony-I</SPAN
></A
></DT
><DD
><DL
><DT
>1.1.1. <A
HREF="preface.html#AEN35"
>What Is <SPAN
CLASS="PRODUCTNAME"
>Slony-I</SPAN
></A
></DT
><DT
>1.1.2. <A
HREF="preface.html#AEN60"
>About This Book</A
></DT
></DL
></DD
><DT
>1.2. <A
HREF="requirements.html"
>System Requirements</A
></DT
><DD
><DL
><DT
>1.2.1. <A
HREF="requirements.html#AEN106"
>Requirements for compiling <SPAN
CLASS="PRODUCTNAME"
>Slony-I</SPAN
></A
></DT
><DT
>1.2.2. <A
HREF="requirements.html#AEN135"
>Getting <SPAN
CLASS="PRODUCTNAME"
>Slony-I</SPAN
> Source</A
></DT
></DL
></DD
><DT
>1.3. <A
HREF="concepts.html"
><SPAN
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>Slony-I</SPAN
> Concepts</A
></DT
><DD
><DL
><DT
>1.3.1. <A
HREF="concepts.html#AEN179"
>Cluster</A
></DT
><DT
>1.3.2. <A
HREF="concepts.html#AEN193"
>Node</A
></DT
><DT
>1.3.3. <A
HREF="concepts.html#AEN213"
>Replication Set</A
></DT
><DT
>1.3.4. <A
HREF="concepts.html#AEN221"
>Origin, Providers and Subscribers</A
></DT
><DT
>1.3.5. <A
HREF="concepts.html#AEN237"
>slon Daemon</A
></DT
><DT
>1.3.6. <A
HREF="concepts.html#AEN255"
>slonik Configuration Processor</A
></DT
><DT
>1.3.7. <A
HREF="concepts.html#PLAINPATHS"
><SPAN
CLASS="PRODUCTNAME"
>Slony-I</SPAN
> Path Communications</A
></DT
><DT
>1.3.8. <A
HREF="concepts.html#AEN329"
>SSH tunnelling</A
></DT
></DL
></DD
><DT
>1.4. <A
HREF="limitations.html"
>Current Limitations</A
></DT
></DL
></DIV
><DIV
CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="INTRODUCTION"
>1.1. Introduction to <SPAN
CLASS="PRODUCTNAME"
>Slony-I</SPAN
></A
></H1
><A
NAME="AEN32"
></A
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN35"
>1.1.1. What Is <SPAN
CLASS="PRODUCTNAME"
>Slony-I</SPAN
></A
></H2
><P
><SPAN
CLASS="PRODUCTNAME"
>Slony-I</SPAN
> is a <SPAN
CLASS="QUOTE"
>"master to multiple slaves"</SPAN
>
replication system for <SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
> supporting cascading and slave promotion.
Key features of <SPAN
CLASS="PRODUCTNAME"
>Slony-I</SPAN
> include:

<P
></P
></P><UL
><LI
><P
><SPAN
CLASS="PRODUCTNAME"
>Slony-I</SPAN
> can replicate data between different <SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
>
 major versions</P
></LI
><LI
><P
><SPAN
CLASS="PRODUCTNAME"
>Slony-I</SPAN
> can replicate data between different hardware
or operating systems</P
></LI
><LI
><P
><SPAN
CLASS="PRODUCTNAME"
>Slony-I</SPAN
> allows you to only replicate some of the tables
to slave</P
></LI
><LI
><P
><SPAN
CLASS="PRODUCTNAME"
>Slony-I</SPAN
> allows you to replicate some tables to one slave
and other tables to another slave</P
></LI
><LI
><P
><SPAN
CLASS="PRODUCTNAME"
>Slony-I</SPAN
> allows different database servers to be the
origin(master) for different tables</P
></LI
></UL
><P></P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN60"
>1.1.2. About This Book</A
></H2
><P
>This book is intended as an administration guide and reference for
<SPAN
CLASS="PRODUCTNAME"
>Slony-I</SPAN
> version 2.0.7  If you are using a different version of <SPAN
CLASS="PRODUCTNAME"
>Slony-I</SPAN
>
then you should refer to the administration guide for that version.</P
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slony1-2-doc 2.0.7-3build1 / usr / share / doc / slony1-2-doc / adminguide / preface.html
