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    Your suggestion solved the problem.<br>
    In the UI relative flag still missing, but now VMs are using gfapi.<br>
    <br>
    <div class="moz-cite-prefix">Il 11/09/2017 05:23, Sahina Bose ha
      scritto:<br>
    </div>
    <blockquote type="cite"
cite="mid:CACjzOvfs6hdhT52ThXG5esacViLeqNw=1xHtC8DQyy_xBnqUQQ@mail.gmail.com">
      <div dir="ltr">You could try to enable the config option for the
        4.1 cluster level - using engine-config tool from the Hosted
        Engine VM. This will require a restart of the engine service and
        will enable gfapi access for all clusters at 4.1 level though -
        so try this option if this is acceptable.<br>
      </div>
      <div class="gmail_extra"><br>
        <div class="gmail_quote">On Wed, Aug 30, 2017 at 8:02 PM,
          Stefano Danzi <span dir="ltr">&lt;<a
              href="mailto:s.danzi@hawai.it" target="_blank"
              moz-do-not-send="true">s.danzi@hawai.it</a>&gt;</span>
          wrote:<br>
          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div text="#000000" bgcolor="#FFFFFF"> above the logs.<br>
              PS cluster compatibility level is 4.1<br>
              <br>
              engine:<br>
              <br>
              2017-08-30 16:26:07,928+02 INFO 
              [org.ovirt.engine.core.bll.<wbr>UpdateClusterCommand]
              (default task-8) [56d090c5-1097-4641-b745-<wbr>74af8397d945]
              Lock Acquired to object 'EngineLock:{exclusiveLocks='[<wbr>]',
              sharedLocks='[]'}'<br>
              2017-08-30 16:26:07,951+02 WARN 
              [org.ovirt.engine.core.bll.<wbr>UpdateClusterCommand]
              (default task-8) [56d090c5-1097-4641-b745-<wbr>74af8397d945]
              Validation of action 'UpdateCluster' failed for user
              admin@internal. Reasons:
              VAR__TYPE__CLUSTER,VAR__<wbr>ACTION__UPDATE,CLUSTER_CANNOT_<wbr>UPDATE_SUPPORTED_FEATURES_<wbr>WITH_LOWER_HOSTS<br>
              2017-08-30 16:26:07,952+02 INFO 
              [org.ovirt.engine.core.bll.<wbr>UpdateClusterCommand]
              (default task-8) [56d090c5-1097-4641-b745-<wbr>74af8397d945]
              Lock freed to object 'EngineLock:{exclusiveLocks='[<wbr>]',
              sharedLocks='[]'}'<br>
              <br>
              vdsm:<br>
              <br>
              2017-08-30 16:29:23,310+0200 INFO  (jsonrpc/0)
              [jsonrpc.JsonRpcServer] RPC call GlusterHost.list
              succeeded in 0.15 seconds (__init__:539)<br>
              2017-08-30 16:29:23,419+0200 INFO  (jsonrpc/4)
              [jsonrpc.JsonRpcServer] RPC call Host.getAllVmStats
              succeeded in 0.01 seconds (__init__:539)<br>
              2017-08-30 16:29:23,424+0200 INFO  (jsonrpc/3)
              [jsonrpc.JsonRpcServer] RPC call
              Host.getAllVmIoTunePolicies succeeded in 0.00 seconds
              (__init__:539)<br>
              2017-08-30 16:29:23,814+0200 INFO  (jsonrpc/5)
              [jsonrpc.JsonRpcServer] RPC call GlusterHost.list
              succeeded in 0.15 seconds (__init__:539)<br>
              2017-08-30 16:29:24,011+0200 INFO  (Reactor thread)
              [ProtocolDetector.<wbr>AcceptorImpl] Accepted connection
              from ::1:51862 (protocoldetector:72)<br>
              2017-08-30 16:29:24,023+0200 INFO  (Reactor thread)
              [ProtocolDetector.Detector] Detected protocol stomp from
              ::1:51862 (protocoldetector:127)<br>
              2017-08-30 16:29:24,024+0200 INFO  (Reactor thread)
              [Broker.StompAdapter] Processing CONNECT request
              (stompreactor:103)<br>
              2017-08-30 16:29:24,031+0200 INFO  (JsonRpc
              (StompReactor)) [Broker.StompAdapter] Subscribe command
              received (stompreactor:130)<br>
              2017-08-30 16:29:24,287+0200 INFO  (jsonrpc/2)
              [jsonrpc.JsonRpcServer] RPC call Host.getHardwareInfo
              succeeded in 0.01 seconds (__init__:539)<br>
              2017-08-30 16:29:24,443+0200 INFO  (jsonrpc/7) [vdsm.api]
              START getSpmStatus(spUUID=u'<wbr>00000002-0002-0002-0002-<wbr>0000000001ef',
              options=None) from=::ffff:192.168.1.55,<wbr>46502,
              flow_id=1f664a9, task_id=c856903a-0af1-4c0c-<wbr>8a44-7971fee7dffa
              (api:46)<br>
              2017-08-30 16:29:24,446+0200 INFO  (jsonrpc/7) [vdsm.api]
              FINISH getSpmStatus return={'spm_st': {'spmId': 1,
              'spmStatus': 'SPM', 'spmLver': 1430L}}
              from=::ffff:192.168.1.55,<wbr>46502, flow_id=1f664a9,
              task_id=c856903a-0af1-4c0c-<wbr>8a44-7971fee7dffa (api:52)<br>
              2017-08-30 16:29:24,447+0200 INFO  (jsonrpc/7)
              [jsonrpc.JsonRpcServer] RPC call StoragePool.getSpmStatus
              succeeded in 0.00 seconds (__init__:539)<br>
              2017-08-30 16:29:24,460+0200 INFO  (jsonrpc/6)
              [jsonrpc.JsonRpcServer] RPC call GlusterHost.list
              succeeded in 0.16 seconds (__init__:539)<br>
              2017-08-30 16:29:24,467+0200 INFO  (jsonrpc/1) [vdsm.api]
              START getStoragePoolInfo(spUUID=u'<wbr>00000002-0002-0002-0002-<wbr>0000000001ef',
              options=None) from=::ffff:192.168.1.55,<wbr>46506,
              flow_id=1f664a9, task_id=029ec55e-9c47-4a20-<wbr>be44-8c80fd1fd5ac
              (api:46)
              <div>
                <div class="h5"><br>
                  <br>
                  <div class="m_1878010931131115540moz-cite-prefix">Il
                    30/08/2017 16:06, Shani Leviim ha scritto:<br>
                  </div>
                  <blockquote type="cite">
                    <div dir="ltr">
                      <div class="gmail_default">Hi Stefano,</div>
                      <div class="gmail_default">Can you please attach
                        your engine and vdsm logs?<br>
                      </div>
                    </div>
                    <div class="gmail_extra"><br>
                      <div>
                        <div
                          class="m_1878010931131115540gmail_signature"
                          data-smartmail="gmail_signature">
                          <div dir="ltr">
                            <div>
                              <div dir="ltr">
                                <div><span><b>Regards,<br>
                                    </b></span></div>
                                <span><b>Shani Leviim<br>
                                  </b></span></div>
                            </div>
                          </div>
                        </div>
                      </div>
                      <br>
                      <div class="gmail_quote">On Wed, Aug 30, 2017 at
                        12:46 PM, Stefano Danzi <span dir="ltr">&lt;<a
                            href="mailto:s.danzi@hawai.it"
                            target="_blank" moz-do-not-send="true">s.danzi@hawai.it</a>&gt;</span>
                        wrote:<br>
                        <blockquote class="gmail_quote">
                          <div> Hello, <br>
                            I have a test environment with a sigle host
                            and self hosted engine running <span
                              class="m_1878010931131115540m_-3427634671303477199gwt-InlineLabel">oVirt
                              Engine: 4.1.5.2-1.el7.centos<br>
                              <br>
                              I what to try the option "Native Access on
                              gluster storage domain" but I get an error
                              because I have to put the <br>
                              host in maintenance mode. I can't do that
                              because I have a single host so the hosted
                              engine can't be migrated.<br>
                              <br>
                              There are a way to change this option but
                              apply it at next reboot?<br>
                            </span> </div>
                          <br>
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                            target="_blank" moz-do-not-send="true">Users@ovirt.org</a><br>
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                            href="http://lists.ovirt.org/mailman/listinfo/users"
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                            moz-do-not-send="true">http://lists.ovirt.org/mailman<wbr>/listinfo/users</a><br>
                          <br>
                        </blockquote>
                      </div>
                      <br>
                    </div>
                  </blockquote>
                  <br>
                </div>
              </div>
            </div>
            <br>
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              rel="noreferrer" target="_blank" moz-do-not-send="true">http://lists.ovirt.org/<wbr>mailman/listinfo/users</a><br>
            <br>
          </blockquote>
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        <br>
      </div>
    </blockquote>
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