Review updates round 1

xml/ha_rear.xml

@@ -465,14 +465,10 @@
     <para>
      Define the configuration for your NFS server in the
      <filename>/etc/exports</filename> file. Make sure the directory on the
-     NFS server has the right mount options. For example:
-    </para>
-<screen><replaceable>/srv/nfs</replaceable> *([...],rw,no_root_squash,[...])</screen>
-    <para>
-     Replace <filename>/srv/nfs</filename> with the path to your
-     backup data on the NFS server and adjust the mount options. You might
+     NFS server has the right mount options. For example, you might
      need <literal>no_root_squash</literal> as the
      <command>rear mkbackup</command> command runs as &rootuser;.
+     For more information, see <command>man exports</command>.
     </para>
    </listitem>
    <listitem>
@@ -497,8 +493,10 @@
     <para>
      This <filename>/etc/rear/local.conf</filename> example is simplified from the example file
      <filename>SLE12-SP2-btrfs-example.conf</filename>. It includes the whole
-     <filename>/var</filename> directory instead of specific <filename>/var</filename>
-     subdirectories. See the example file for details about the settings.
+     <filename>/var</filename> directory instead of specific <filename>/var</filename> subdirectories.
+    </para>
+    <para>
+     Adjust this example as required for your setup. See the example file for details about the settings.
     </para>
 <screen>OUTPUT=ISO
 BACKUP=NETFS
@@ -509,9 +507,13 @@ REQUIRED_PROGS=( "${REQUIRED_PROGS[@]}" snapper chattr lsattr )
 COPY_AS_IS=( "${COPY_AS_IS[@]}" /usr/lib/snapper/installation-helper /etc/snapper/config-templates/default )
 BACKUP_PROG_INCLUDE=( /root /boot/grub2/i386-pc /tmp /opt /var /boot/grub2/x86_64-efi /srv /usr/local )
 POST_RECOVERY_SCRIPT=( 'if snapper --no-dbus -r $TARGET_FS_ROOT get-config | grep -q "^QGROUP.*[0-9]/[0-9]" ; then snapper --no-dbus -r $TARGET_FS_ROOT set-config QGROUP= ; snapper --no-dbus -r $TARGET_FS_ROOT setup-quota &amp;&amp; echo snapper setup-quota done || echo snapper setup-quota failed ; else echo snapper setup-quota not used ; fi' )</screen>
-   <para>
-    Adjust this example as required for your setup.
-   </para>
+    <tip>
+      <title>Directories for <literal>BACKUP_PROG_INCLUDE</literal></title>
+      <para>
+        You can find the directories for your specific system by running the following command:
+      </para>
+<screen>&prompt.root;<command>findmnt -n -r -o TARGET -t btrfs | grep -v '^/$' | egrep -v 'snapshots|crash'</command></screen>
+    </tip>
   </example>
 
   <example xml:id="ex-ha-rear-config-EMC">
@@ -526,11 +528,11 @@ POST_RECOVERY_SCRIPT=( 'if snapper --no-dbus -r $TARGET_FS_ROOT get-config | gre
     adjust it according to your setup:
    </para>
 <screen>BACKUP=NSR
-    OUTPUT=ISO
-    BACKUP_URL=nfs://<replaceable>host.&exampledomain;/path/to/rear/backup</replaceable>
-    OUTPUT_URL=nfs://<replaceable>host.&exampledomain;/path/to/rear/backup</replaceable>
-    NSRSERVER=<replaceable>backupserver.&exampledomain;</replaceable>
-    RETENTION_TIME="Month"</screen>
+OUTPUT=ISO
+BACKUP_URL=nfs://<replaceable>host.&exampledomain;/path/to/rear/backup</replaceable>
+OUTPUT_URL=nfs://<replaceable>host.&exampledomain;/path/to/rear/backup</replaceable>
+NSRSERVER=<replaceable>backupserver.&exampledomain;</replaceable>
+RETENTION_TIME="Month"</screen>
    <para>
     For more information about supported third-party backup tools, see
     <command>man rear</command>, section <citetitle>BACKUP SOFTWARE INTEGRATION</citetitle>.