presentacion_zimbra_ha.tex

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%\usepackage{pstricks,pst-node,pst-tree}
%\usepackage{times}
%\usepackage[T1]{fontenc}
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\title[Zimbra 8 High Availability on Ubuntu 12.04]{Zimbra 8 High Availability on Ubuntu 12.04}

%\subtitle{Free as in freedom}

\author[Adri\'an Gibanel L\'opez] % (optional, use only with lots of authors)
{Adri\'an Gibanel L\'opez}
%{F.~Author\inst{1} \and S.~Another\inst{2}}
% - Use the \inst{?} command only if the authors have different
%   affiliation.

\institute[Universitat de Lleida] % (optional, but mostly needed)
{Universitat de Lleida}

%  \inst{1}%
%  Department of Computer Science\\
%  University of Somewhere
%  \and
%  \inst{2}%
%  Department of Theoretical Philosophy\\
%  University of Elsewhere}
% - Use the \inst command only if there are several affiliations.
% - Keep it simple, no one is interested in your street address.

\date[]{September 2013}

%\subject{Cooperative Game Theory}
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\begin{document}

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\begin{frame}
  \titlepage
\end{frame}


%\section*{Outline}
  \begin{frame}<beamer>
    \frametitle{Outline}
    \tableofcontents[section]
  \end{frame}


\section {Zimbra}
\begin{frame}
\frametitle{Zimbra Collaboration Server}


\begin{block}{}
Complete collaboration solution accessible from web client, offline clients and other emails and mobile devices
\end{block}


\quad

\begin{itemize}

\item Email
\item Address Book
\item Calendar
\item Tasks

\end{itemize}

\end{frame}

\begin{frame}
\frametitle{Zimbra Collaboration Server - Email}

\begin{center}
  \includegraphics[scale=0.4,keepaspectratio=true]{./img/zimbra-email.jpg}
  % zimbra-email.jpg: 1482x1009 pixel, 150dpi, 25.10x17.09 cm, bb=0 0 711 484
\end{center}
\end{frame}

\begin{frame}
\frametitle{Zimbra Collaboration Server - Calendar}

\begin{center}
  \includegraphics[scale=0.4,keepaspectratio=true]{./img/zimbra-calendar.jpg}
  % zimbra-calendar.jpg: 1503x961 pixel, 150dpi, 25.45x16.27 cm, bb=0 0 721 461
\end{center}


\end{frame}
\section {Zimbra High Availability}
\begin{frame}
\frametitle{ZCS High Availability}


\begin{block}{}
HA: System design approach that ensures that a prearranged level of operational performance will be met during a contractual measurement period.
\end{block}


\quad

\begin{itemize}

\item \textbf{Thesis purpose: HA Active/Passive cluster for Zimbra}
\item Minimize downtime due to Hardware or telecommunication failures
\item Minimal Zimbra modifications
\item Use of standard open source High Availability software

\end{itemize}

\end{frame}


\begin{frame}
\frametitle{ZCS HA Schema}

\begin{center}
  \includegraphics[scale=0.19,keepaspectratio=true]{./img/ha_main_schema.eps}
  % ha_main_schema.eps: 0x0 pixel, 300dpi, 0.00x0.00 cm, bb=0 0 1076 969
\end{center}


\end{frame}

\section {LAB}

\begin{frame}
\frametitle{LAB}

\begin{itemize}

\item  {Operating System Installation}
\item  {Network setup}
\item  {Zimbra installation}
\item  {DRBD Setup}
\item  {Disable Zimbra and DRBD startup scripts}
\item  {Corosync setup}
\item  {Zimbra OCF Resource Agent Development}
\item  {Pacemaker setup}

\end{itemize}
\end{frame}

\begin{frame}
\frametitle{LAB - Zimbra OCF Resource Agent Development (1/2)}

\begin{itemize}

\item  {OCF: Standardized interface for a cluster resource}
\item  {Cluster resource examples:
  \begin{itemize}
    \item IP address
    \item DRBD partition
    \item Filesystem mount
    \item Zimbra server
  \end{itemize}
}

\item Specific steps to the resource or application
\item  {Result: Success or Failure}


\end{itemize}
\end{frame}

\begin{frame}
\frametitle{LAB - Zimbra OCF Resource Agent Development (2/2)}

\begin{block}{}
bTactic Zimbra OCF Resource Agent actions
\end{block}

\begin{itemize}

  \item {\textbf{start . Starts the Zimbra resource}
    \begin{itemize}
      \item Exit 0 (Zimbra starts OK)
      \item Exit != 7 or Exit != 0 (Zimbra fails to start)
    \end{itemize}
  }
  \item {\textbf{stop . Stops the Zimbra resource}
    \begin{itemize}
      \item Exit 0 (Zimbra stops OK)
      \item Exit != 7 or Exit != 0 (Zimbra fails to stop)
    \end{itemize}
  }
  \item {\textbf{monitor . Monitors Zimbra resource health}
    \begin{itemize}
      \item Exit 0 (Zimbra is running)
      \item Exit 7 (Zimbra is stopped)
      \item Exit != 7 or Exit != 0 (Zimbra monitor has failed)
    \end{itemize}
  }
  \item {\textbf{meta-data} : Provide information about Zimbra resource as an XML snippet. Exit 0.}

\end{itemize}
\end{frame}

%\section {HA System Management}
\section {Live DEMO}

\begin{frame}

\frametitle{Zimbra HA Live DEMO}


\begin{center}
    \begin{block}{Check resources}
{\tt crm\_mon}
    \end{block}
    \begin{block}{Turn off active node}
{\tt Forced power off and passive node starts Zimbra}
    \end{block}
    \begin{block}{Stop resources manually}
{\tt crm resource stop ZimbraServer}
    \end{block}
    

\end{center}




\end{frame}
\section {Future work}

\begin{frame}
\frametitle{Future work}

\begin{itemize}
  \item OVH Datacentre network handling
  \item Fencing
  \item Mysql HA
  \item Project Always ON
  \item Data Loss measurement
\end{itemize}
\end{frame}
\section {Conclusions}
\begin{frame}

\frametitle{Conclusions}

\begin{center}
  \begin{itemize}
    \item Shared storage thanks to DRBD
    \item State of the art HA software such as Pacemaker and Corosync has been used
    \item Active/Passive cluster implemented
    \item Zimbra HA with OSE version implemented
  \end{itemize}
\end{center}

\end{frame}

\begin{frame}

\frametitle{Thank you}

\begin{center}
\Large{Questions\\
\&\\
Answers}\\
\end{center}

\end{frame}

\end{document}