Update iscsi steps (#392)

jsc#DOCTEAM-1459

xml/ha_iscsi_for_sbd.xml

@@ -81,7 +81,7 @@
   </step>
   <step>
    <para>
-    In the <guimenu>Discovery</guimenu> tab, activate <guimenu>Discovery Authentication</guimenu>.
+    In the <guimenu>Global</guimenu> tab, activate <guimenu>Discovery Authentication</guimenu>.
     </para>
    </step>
   <step>
@@ -99,7 +99,7 @@
   </step>
   <step>
    <para>
-    In the <guimenu>Target</guimenu> tab, select <guimenu>Add</guimenu>.
+    In the <guimenu>Targets</guimenu> tab, select <guimenu>Add</guimenu>.
    </para>
   </step>
   <step>
@@ -109,7 +109,8 @@
   </step>
   <step>
    <para>
-    Add the <guimenu>IP Address</guimenu> of the server.
+    The <guimenu>IP Address</guimenu> of this server should be filled automatically. If not,
+    add the IP address now.
    </para>
   </step>
   <step>
@@ -157,9 +158,9 @@
   <title>Configuring an &iscsi; initiator</title>
   <step>
    <para>
-    Install the package <package>yast2-iscsi-client</package>:
+    Install the required packages:
    </para>
-<screen>&prompt.root;<command>zypper install yast2-iscsi-client</command></screen>
+<screen>&prompt.root;<command>zypper install open-iscsi yast2-iscsi-client</command></screen>
   </step>
   <step>
    <para>