Check_MK Werk 3548: agent_netapp: fixed agent exception for channels without shelfes. improved 7mode/clustermode differentation

ID: 3548 Title: agent_netapp: fixed agent exception for channels without shelfes. improved 7mode/clustermode differentation Component: Checks & Agents Level: 1 Class: Bug Fix Version: 1.4.0i1 An exception has been fixed when a channel has 0 shelfes configured. Furthermore, the agent has now a slightly more reliable 7mode/clustermode detection mechanism. The 7mode/clustermode detection will be revised in an upcoming agent version.