add notes about glusterfs storage backend

manuals/en/main/storedconf.tex

@@ -380,7 +380,7 @@ \section{Device Resource}
 \nameref{DirectorResourceStorage}  in its Storage
 resource.
 
-\directive{sd}{Archive Device}{device {\textbar} directory {\textbar} fifo  {\textbar} Ceph object store}{required}{}{}
+\directive{sd}{Archive Device}{device {\textbar} directory {\textbar} fifo  {\textbar} GlusterFS storage {\textbar} Ceph object store}{required}{}{}
 Specifies where to read and write the backup data.
 The type of the Archive Device can be specified by the {\bf Device Type} directive.
 If Device Type is not specified, Bareos tries to guess the Device Type
@@ -396,13 +396,15 @@ \section{Device Resource}
 conventions with the device.  The {\bf b} in the Solaris (Sun) archive
 specification \path|/dev/rmt/0mbn| is what is needed in this case.
 Bareos does not support SysV tape drive behavior.
+
     \item[directory] If a directory is specified, it is used as file storage.
 The directory must be existing and be specified as absolute path.
 Bareos will write to file storage in the specified
 directory and the filename used will be the Volume name as specified in the
 Catalog.  If you want to write into more than one directory (i.e.  to spread
 the load to different disk drives), you will need to define two Device
 resources, each containing an Archive Device with a different directory.
+
     \item[fifo] \label{SetupFifo}
 A FIFO is a special kind of file that connects two programs
 via kernel memory. If a FIFO device is specified  for a backup operation, you
@@ -442,9 +444,31 @@ \section{Device Resource}
 
 A FIFO device can also be used to test your configuration, see the \ilink{Howto section}{TestUsingFifoDevice}.
 
+    \item[GlusterFS Storage] \label{GlusterArchiveType}
+    A GlusterFS Storage can be used as Storage backend of Bareos.
+    Prerequistes are a working GlusterFS storage system and the package \package{bareos-storage-glusterfs}.
+    See \url{//http://www.gluster.org/} for more information regarding GlusterFS installation and configuration. 
+    You can use following snippet to configure it as storage device:
+   \begin{bconfig}{GlusterFS device}
+Device {
+  Name = GlusterStorage
+  Archive Device = gluster://server.example.com/volumename/bareos
+  Device Type = gfapi
+  Media Type = GlusterFile
+  Label Media = yes
+  Random Access = yes
+  Automatic Mount = yes
+  Removable Media = no
+  Always Open = no
+}
+   \end{bconfig}
+   Adapt server and volume name to your environment.
+
+   \sinceVersion{sd}{GlusterFS Storage}{14.2.2}
+
    \item[Ceph Object Store] \label{CephArchiveType}
    Here you configure the Ceph object store, which is accessed by the SD using the Rados library. Prerequistes are a
-   working Ceph object store and the package \file{bareos-storage-ceph}. See \url{http://ceph.com} for more information regarding Ceph installation and configuration. 
+   working Ceph object store and the package \package{bareos-storage-ceph}. See \url{http://ceph.com} for more information regarding Ceph installation and configuration. 
    Assuming that you have an object store with name \file{your_bareos_store} 
    and your Ceph access is configured in \file{/etc/ceph/ceph.conf}, you can use following snippet to configure it as storage device:
    \begin{bconfig}{Ceph Object Store Device}
@@ -460,12 +484,12 @@ \section{Device Resource}
    AlwaysOpen = no
 }
    \end{bconfig}
-   \sinceVersion{sd}{Ceph Backend}{14.2.2}
+   \sinceVersion{sd}{Ceph Storage}{14.2.2}
 
 \end{description}
 
 
-\directive{sd}{Device Type}{tape {\textbar} file {\textbar} fifo  {\textbar} rados }{}{}{}
+\directive{sd}{Device Type}{tape {\textbar} file {\textbar} fifo  {\textbar} gfapi {\textbar} rados}{}{}{}
 The Device Type specification allows you to explicitly tell Bareos
 what kind of device you are defining. It the {\bf type-specification}
 may be one of the following:
@@ -478,8 +502,11 @@ \section{Device Resource}
   file defined on fixed medium or a removable filesystem such as
   USB.  All files must be random access devices.
 \item [Fifo]
-  The device is a first-in-first out sequential access read-only
+  The device is a first-in-first-out sequential access read-only
   or write-only device.
+\item [gfapi]
+  The gfapi device is used to access a GlusterFS storeage.
+  \sinceVersion{sd}{GlusterFS (gfapi)}{14.2.2}
 \item [Rados]
   The Rados device is used to access a Ceph object store.
   \sinceVersion{sd}{Ceph (Rados)}{14.2.2}