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    Power on function

    Scheduled Pinned Locked Moved Xen Orchestra
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    • olivierlambertO Offline
      olivierlambert Vates 🪐 Co-Founder CEO
      last edited by

      This is for task destroy, not a task creation.

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      • D Offline
        dsiminiuk
        last edited by

        @olivierlambert it is all I see from:

        fgrep Async.host.power_on /var/log/audit.log

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        • olivierlambertO Offline
          olivierlambert Vates 🪐 Co-Founder CEO
          last edited by

          Grep on host.power_on to see if it's better.

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          • D Offline
            dsiminiuk @olivierlambert
            last edited by

            @olivierlambert

            fgrep host.power_on audit.log.1 | fgrep -v destroy | fgrep -v cancel

            Jul  7 23:58:02 xcpng01 xapi: [20200708T04:58:02.118Z|audit||36922 |Async.host.power_on R:0af8abcf2f46|audit] ('trackid=68849bbe6e0a22d9b0b024c21c2b6e36' 'LOCAL_SUPERUSER' 'root' 'ALLOWED' 'ERROR:INTERNAL_ERROR: [ (Failure \"The host failed to power on.\") ]' 'API' 'host.power_on' (('host' 'xcpng02' '1139bfbc-c487-4311-8206-bbffe96ed6b1' 'OpaqueRef:426e950f-f926-490f-b598-328314aafbdc')))
            
            Jul  8 00:58:02 xcpng01 xapi: [20200708T05:58:02.803Z|audit||42462 |Async.host.power_on R:2733002e2e58|audit] ('trackid=68849bbe6e0a22d9b0b024c21c2b6e36' 'LOCAL_SUPERUSER' 'root' 'ALLOWED' 'ERROR:INTERNAL_ERROR: [ (Failure \"The host failed to power on.\") ]' 'API' 'host.power_on' (('host' 'xcpng02' '1139bfbc-c487-4311-8206-bbffe96ed6b1' 'OpaqueRef:426e950f-f926-490f-b598-328314aafbdc')))
            
            Jul  8 01:58:03 xcpng01 xapi: [20200708T06:58:03.488Z|audit||48005 |Async.host.power_on R:e74dd3d29556|audit] ('trackid=68849bbe6e0a22d9b0b024c21c2b6e36' 'LOCAL_SUPERUSER' 'root' 'ALLOWED' 'ERROR:INTERNAL_ERROR: [ (Failure \"The host failed to power on.\") ]' 'API' 'host.power_on' (('host' 'xcpng02' '1139bfbc-c487-4311-8206-bbffe96ed6b1' 'OpaqueRef:426e950f-f926-490f-b598-328314aafbdc')))
            
            Jul  8 02:58:04 xcpng01 xapi: [20200708T07:58:04.229Z|audit||53358 |Async.host.power_on R:e730dacdf348|audit] ('trackid=68849bbe6e0a22d9b0b024c21c2b6e36' 'LOCAL_SUPERUSER' 'root' 'ALLOWED' 'ERROR:INTERNAL_ERROR: [ (Failure \"The host failed to power on.\") ]' 'API' 'host.power_on' (('host' 'xcpng02' '1139bfbc-c487-4311-8206-bbffe96ed6b1' 'OpaqueRef:426e950f-f926-490f-b598-328314aafbdc')))
            
            Jul  8 03:58:04 xcpng01 xapi: [20200708T08:58:04.897Z|audit||58846 |Async.host.power_on R:19f454d900b0|audit] ('trackid=68849bbe6e0a22d9b0b024c21c2b6e36' 'LOCAL_SUPERUSER' 'root' 'ALLOWED' 'ERROR:INTERNAL_ERROR: [ (Failure \"The host failed to power on.\") ]' 'API' 'host.power_on' (('host' 'xcpng02' '1139bfbc-c487-4311-8206-bbffe96ed6b1' 'OpaqueRef:426e950f-f926-490f-b598-328314aafbdc')))
            

            Now going back in time to audit.log.[2-7].gz

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            • olivierlambertO Offline
              olivierlambert Vates 🪐 Co-Founder CEO
              last edited by

              It's possible that XAPI recorder the host.power_on and loop on trying to do that, but to be fair, I never saw that before 😄

              Can you power on that host to see if it stops?

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              • D Offline
                dsiminiuk
                last edited by

                @olivierlambert

                Going back as far as I can to audit.log.7.gz only takes me back to June 30 and this has been a problem for more than a month so I don't think I can find the original request.

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                • D Offline
                  dsiminiuk @olivierlambert
                  last edited by

                  @olivierlambert said in Power on function:

                  Can you power on that host to see if it stops?

                  I had the whole rack powered off yesterday, 2 - XCP-NG 8.1 servers (DL380 Gen9), 1 Freenas (DL380 Gen9) for iSCSI VDIs. It still came back.

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                  • olivierlambertO Offline
                    olivierlambert Vates 🪐 Co-Founder CEO
                    last edited by

                    So now everything is back online but despite that you got the task?

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                    • D Offline
                      dsiminiuk
                      last edited by

                      @olivierlambert said in Power on function:

                      So now everything is back online but despite that you got the task?

                      Yes, everything is up and working, just the task appears in XO and also on the master's tasks list as we see.

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                      • olivierlambertO Offline
                        olivierlambert Vates 🪐 Co-Founder CEO
                        last edited by

                        Weird. Can you disconnect XO from this pool, restart toolstack on master, and see if the task is popping again? I think it will, I don't see why XO would do that.

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                        • D Offline
                          dsiminiuk
                          last edited by

                          @olivierlambert said in Power on function:

                          Weird. Can you disconnect XO from this pool, restart toolstack on master, and see if the task is popping again? I think it will, I don't see why XO would do that.

                          I would remove the hosts from XO, restart toolstack, add hosts back to XO? Is this correct?

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                          • olivierlambertO Offline
                            olivierlambert Vates 🪐 Co-Founder CEO
                            last edited by

                            Don't add host back in XO for few minutes, and check if xe task-list got the task appearing without any XO connection.

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                            • D Offline
                              dsiminiuk @olivierlambert
                              last edited by

                              @olivierlambert

                              Host #2 has been powered off during these checks. I will power it on so that all pool members are available and try xe task-cancel again. Then proceed with your suggestion. Standby.

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                              • D Offline
                                dsiminiuk
                                last edited by

                                @olivierlambert

                                OK this is interesting (host1 is master). I powered on host2 and ... the task disappeared from xe task-list and XO Tasks.

                                I powered off host2 again and the task is back.

                                [12:38 xcpng01 log]# xe task-list params=all
                                uuid ( RO)                  : 221a86ff-ae3f-d10e-26bc-9a7b693f44f0
                                            name-label ( RO): Async.host.power_on
                                      name-description ( RO):
                                            subtask_of ( RO): <not in database>
                                              subtasks ( RO):
                                           resident-on ( RO): cdb42b94-7ec6-47b4-aaef-d4c52f6bd7b3
                                                status ( RO): pending
                                              progress ( RO): 0.000
                                                  type ( RO): <none/>
                                                result ( RO):
                                               created ( RO): 20200708T17:37:00Z
                                              finished ( RO): 19700101T00:00:00Z
                                            error_info ( RO):
                                    allowed_operations ( RO): Cancel
                                    current_operations ( RO):
                                          other-config (MRW):
                                
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                                • D Offline
                                  dsiminiuk @dsiminiuk
                                  last edited by

                                  I am powering up host2 again only to remove it from XO and follow your direction.

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                                  • D Offline
                                    dsiminiuk @dsiminiuk
                                    last edited by

                                    @olivierlambert

                                    Both servers are running in the pool.
                                    Both removed from XO.
                                    Toolstack restarted on both servers via XCP-NG Center at 12:50pm local time.
                                    Server communications re-established automatically in XCP-NG Center at 12:52pm.
                                    Pool master added and 2nd server added to XO at 12:54pm.
                                    No tasks are listed on either server with xe task-list.
                                    No tasks are listed in the XO UI.
                                    Powered off server 2 from the server's console screen (not XCP-NG Center or XO being the point).

                                    I have a task in the master on the CLI and XO again.

                                    uuid ( RO)                : 2f820b63-f03a-1258-1443-2f946569a4fb
                                              name-label ( RO): Async.host.power_on
                                        name-description ( RO):
                                                  status ( RO): pending
                                                progress ( RO): 0.000
                                    
                                    

                                    The only mention of power_on in audit.log since the power up time...

                                    Jul  8 12:48:15 xcpng01 xapi: [20200708T17:48:15.096Z|audit||3666 |Async.host.power_on R:9802e63aaa34|audit] ('trackid=5835f391b350762fbb9dc4eb46b25614' 'LOCAL_SUPERUSER' 'root' 'ALLOWED' 'OK' 'API' 'host.power_on' (('host' 'xcpng02' '1139bfbc-c487-4311-8206-bbffe96ed6b1' 'OpaqueRef:426e950f-f926-490f-b598-328314aafbdc')))
                                    
                                    Jul  8 12:48:15 xcpng01 xapi: [20200708T17:48:15.183Z|audit||4625 INET :::80|task.destroy D:39825944bdf5|audit] ('trackid=5835f391b350762fbb9dc4eb46b25614' 'LOCAL_SUPERUSER' 'root' 'ALLOWED' 'OK' 'API' 'task.destroy' (('self' 'Async.host.power_on' '221a86ff-ae3f-d10e-26bc-9a7b693f44f0' 'OpaqueRef:9802e63a-aa34-4f8e-9876-94f0b3778324')))
                                    
                                    DanpD 1 Reply Last reply Reply Quote 0
                                    • DanpD Offline
                                      Danp Pro Support Team @dsiminiuk
                                      last edited by

                                      @dsiminiuk You should only be adding the pool master in XO, not the slaves.

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                                      • D Offline
                                        dsiminiuk @Danp
                                        last edited by dsiminiuk

                                        @Danp

                                        http://xo/#/settings/servers is only for the pool masters not pool members?

                                        I don't see where it says to not add pool members other than the master
                                        https://xen-orchestra.com/docs/manage_infrastructure.html#home-view

                                        I am grateful for the help but it didn't solve this issue. The task is back.

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                                        • olivierlambertO Offline
                                          olivierlambert Vates 🪐 Co-Founder CEO
                                          last edited by

                                          Quoting the doc:

                                          Add a host
                                          Just click on "Add server", enter the IP of a XenServer host (ideally the pool master if in a pool)

                                          So yes, in a pool, only the master is needed to connect to all machines.

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                                          • jedimarcusJ Offline
                                            jedimarcus
                                            last edited by jedimarcus

                                            FYI, I have a server supporting WoL which I configured and everything worked like a charm.

                                            Only complaint in XOA: the Host stays yellow in Busy (shutdown) Mode but even in this mode, the Start button is available and works.

                                            We configured Wake on LAN (WoL) in the BIOS and tested it with a stupid Windows Tool. WoL seems to be way more stable and proven than any other methods and the only downside I see is that it's limited to a Local Range (as it works with MAC Addresses) but I wonder how many pools don't fit in that schema.

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