<div dir="ltr"><div><div><div>Hi.<br><br></div>i use centos 6.6, ovirt 3.6(cluster level 3.5) as engine and centos 7 as host.<br><br>when i try add new host to cluster, <span id="result_box" class="" lang="en"><span class="">then I</span> <span class="">get an error:<br></span></span>&quot;Error while executing action: Cannot add Host. Connecting to host via 
SSH has failed, verify that the host is reachable (IP address, routable 
address etc.) You may refer to the engine.log file for further details.&quot;<br><br><span id="result_box" class="" lang="en"><span class="">manually</span> <span class="">ssh</span> <span class="">connection works</span></span> with host.<br><br><div style="" id="gt-input-tool"><div><span class=""></span></div></div><div id="gt-src-c" class=""><div id="gt-src-p"> </div> </div> <div id="gt-res-content" class=""><div dir="ltr" style="zoom:1"><span id="result_box" class="" lang="en"><span class="">DNS</span> <span class="">is configured</span> <span class="">on all hosts, and engine.<br><br></span></span></div><div style=""><span id="result_box" class="" lang="en"><span class="">engine.log:<br><br>2015-11-09 15:00:59,601 ERROR [org.ovirt.engine.core.bll.hostdeploy.AddVdsCommand] (default task-22) [34bc561b] Failed to establish session with host &#39;testnode2&#39;: SSH session closed during connection &#39;<a href="mailto:root@10.64.0.211">root@10.64.0.211</a>&#39;<br>2015-11-09 15:00:59,601 WARN  [org.ovirt.engine.core.bll.hostdeploy.AddVdsCommand] (default task-22) [34bc561b] CanDoAction of action &#39;AddVds&#39; failed for user admin@internal. Reasons: VAR__ACTION__ADD,VAR__TYPE__HOST,$server 10.64.0.211,VDS_CANNOT_CONNECT_TO_SERVER<br>2015-11-09 15:00:59,937 ERROR [org.ovirt.engine.core.bll.host.provider.foreman.SystemProviderFinder] (default task-14) [] Failed to find host on any provider by host name &#39;vtestengine.office.saratov&#39; <br>2015-11-09 15:01:00,256 ERROR [org.ovirt.engine.core.bll.host.provider.foreman.SystemProviderFinder] (default task-31) [] Failed to find host on any provider by host name &#39;vtestengine.office.saratov&#39; <br></span></span></div><div dir="ltr" style="zoom:1"><span id="result_box" class="" lang="en"><span class=""><br></span></span><span id="result_box" class="" lang="en"><span class=""></span></span></div></div><br></div></div><br> <br></div>