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    Cannot export VM in .ova file

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    • ?
      A Former User
      last edited by olivierlambert

      Dear,
      with a brand-new 8.2 xcp-ng server installation I was able to export ova from XCP-NG Center.
      After upgrading it with latest patches (yum update) I'm not able to to export back ova.
      I've done this test both on my production server and also installing it in a new system from scratch.

      I've tried using both DHCP and static IP. no luck.

      Thanks in advance for any feedback.

      The log reports is the following:

      2022-02-27 20:40:18,971 INFO  Audit [Main program thread] - Operation started: ExportApplianceAction: xcpserver: VM bdc057c5-d2c4-a3ff-e307-fe510de32146 (VM1): Pool 0bc5c93d-6cfc-811a-cf85-0b72732ca6e5 (xcpserver): Host 7314e7fb-cd5f-481b-a464-86b3acc3ae5c (xcpserver): 
2022-02-27 20:40:24,867 ERROR XenOvfTransport.iSCSI [30] - Failed to start Transfer VM.
There was a failure communicating with the plug-in.
2022-02-27 20:40:24,868 ERROR XenOvfTransport.Export [30] - Failed to transfer virtual disk C:\Backup\VM1\6ad97f18-51e4-45ed-b088-bfa2affc1b87.vhd
System.Exception: Failed to start the Transfer VM. ---> XenAPI.Failure: There was a failure communicating with the plug-in.
   at XenAPI.JsonRpcClient.Rpc[T](String callName, JToken parameters, JsonSerializer serializer)
   at XenAPI.Host.call_plugin(Session session, String _host, String _plugin, String _fn, Dictionary`2 _args)
   at XenOvfTransport.iSCSI.StartiScsiTarget(Session xenSession, String vdiuuid, Boolean read_only)
   --- End of inner exception stack trace ---
   at XenOvfTransport.iSCSI.StartiScsiTarget(Session xenSession, String vdiuuid, Boolean read_only)
   at XenOvfTransport.iSCSI.Connect(Session xenSession, String vdiuuid, Boolean read_only)
   at XenOvfTransport.Export._copydisks(EnvelopeType ovfEnv, String label, String targetPath)
2022-02-27 20:40:24,877 ERROR XenOvfTransport.Export [30] - Export failed
System.Exception: Failed to transfer virtual disk C:\Backup\VM1\6ad97f18-51e4-45ed-b088-bfa2affc1b87.vhd. ---> System.Exception: Failed to start the Transfer VM. ---> XenAPI.Failure: There was a failure communicating with the plug-in.
   at XenAPI.JsonRpcClient.Rpc[T](String callName, JToken parameters, JsonSerializer serializer)
   at XenAPI.Host.call_plugin(Session session, String _host, String _plugin, String _fn, Dictionary`2 _args)
   at XenOvfTransport.iSCSI.StartiScsiTarget(Session xenSession, String vdiuuid, Boolean read_only)
   --- End of inner exception stack trace ---
   at XenOvfTransport.iSCSI.StartiScsiTarget(Session xenSession, String vdiuuid, Boolean read_only)
   at XenOvfTransport.iSCSI.Connect(Session xenSession, String vdiuuid, Boolean read_only)
   at XenOvfTransport.Export._copydisks(EnvelopeType ovfEnv, String label, String targetPath)
   --- End of inner exception stack trace ---
   at XenOvfTransport.Export._copydisks(EnvelopeType ovfEnv, String label, String targetPath)
   at XenOvfTransport.Export._export(Session xenSession, String targetPath, String ovfname, String vmUuid)
2022-02-27 20:40:24,877 ERROR XenAdmin.Actions.AsyncAction [30] - System.Exception: Failed to export. ---> System.Exception: Failed to transfer virtual disk C:\Backup\VM1\6ad97f18-51e4-45ed-b088-bfa2affc1b87.vhd. ---> System.Exception: Failed to start the Transfer VM. ---> XenAPI.Failure: There was a failure communicating with the plug-in.
   at XenAPI.JsonRpcClient.Rpc[T](String callName, JToken parameters, JsonSerializer serializer)
   at XenAPI.Host.call_plugin(Session session, String _host, String _plugin, String _fn, Dictionary`2 _args)
   at XenOvfTransport.iSCSI.StartiScsiTarget(Session xenSession, String vdiuuid, Boolean read_only)
   --- End of inner exception stack trace ---
   at XenOvfTransport.iSCSI.StartiScsiTarget(Session xenSession, String vdiuuid, Boolean read_only)
   at XenOvfTransport.iSCSI.Connect(Session xenSession, String vdiuuid, Boolean read_only)
   at XenOvfTransport.Export._copydisks(EnvelopeType ovfEnv, String label, String targetPath)
   --- End of inner exception stack trace ---
   at XenOvfTransport.Export._copydisks(EnvelopeType ovfEnv, String label, String targetPath)
   at XenOvfTransport.Export._export(Session xenSession, String targetPath, String ovfname, String vmUuid)
   --- End of inner exception stack trace ---
   at XenOvfTransport.Export._export(Session xenSession, String targetPath, String ovfname, String vmUuid)
   at XenOvfTransport.Export.Process(String targetPath, String ovfname, String[] vmUuid)
   at XenAdmin.Actions.OVFActions.ExportApplianceAction.Run()
   at XenAdmin.Actions.AsyncAction.RunWorkerThread(Object o)
2022-02-27 20:40:24,878 WARN  Audit [30] - Operation failure: ExportApplianceAction: xcpserver: VM bdc057c5-d2c4-a3ff-e307-fe510de32146 (VM1): Pool 0bc5c93d-6cfc-811a-cf85-0b72732ca6e5 (xcpserver): Host 7314e7fb-cd5f-481b-a464-86b3acc3ae5c (xcpserver): Disconnecting virtual disk 6ad97f18-51e4-45ed-b088-bfa2affc1b87.vhd ...
      1 Reply Last reply Reply Quote 0
      • olivierlambertO
        olivierlambert Vates 🪐 Co-Founder CEO
        last edited by

        I wouldn't rely on XCP-ng Center for that. Xen Orchestra will have OVA export in the April release. VMDK export is already there 🙂

        ? rowieR 2 Replies Last reply Reply Quote 0
        • ?
          A Former User @olivierlambert
          last edited by

          @olivierlambert thanks, OVA export in april will be a very great feature that complitely allow me to forget xcp-ng center

          1 Reply Last reply Reply Quote 0
          • olivierlambertO
            olivierlambert Vates 🪐 Co-Founder CEO
            last edited by

            Indeed, we are close to finish it, maybe even March release 🙂 Hang on!

            1 Reply Last reply Reply Quote 0
            • rowieR
              rowie @olivierlambert
              last edited by

              @olivierlambert
              and how to export the xo appliance with xo? 🙂

              1 Reply Last reply Reply Quote 0
              • olivierlambertO
                olivierlambert Vates 🪐 Co-Founder CEO
                last edited by

                Like any other VM?

                rowieR 1 Reply Last reply Reply Quote 0
                • rowieR
                  rowie @olivierlambert
                  last edited by

                  @olivierlambert
                  playing arround since hours to migrate my xcp-ng (running on my HP Gen8 Microserver) to a bigger SSD.
                  cloning the disk with clonezille wasnt successfull so i decide to start from scratch.

                  • Exporting xo with xcp-ng center -> pain in the ass
                  • ex and importing vhd manually -> same pain in the ..

                  i am working since years with vmware and proxmox but this one was challenge ... such a "simple" think
                  now i have created a new vhd ... and copy the old xo vhd over it ... rescan .. works

                  i couldnt find a working tuto for doing this the right way ..

                  br,
                  rowie

                  1 Reply Last reply Reply Quote 0
                  • olivierlambertO
                    olivierlambert Vates 🪐 Co-Founder CEO
                    last edited by

                    Maybe your question was not clear, you asked to export XO with XO, you didn't talk about XCP-ng at all 🤔 It was a typo then, you meant XCP-ng?

                    rowieR 1 Reply Last reply Reply Quote 0
                    • rowieR
                      rowie @olivierlambert
                      last edited by

                      @olivierlambert
                      yes, xcp-ng! sorry for confusing

                      xcp-ng Center isnt working great in such things right?

                      1 Reply Last reply Reply Quote 0
                      • olivierlambertO
                        olivierlambert Vates 🪐 Co-Founder CEO
                        last edited by olivierlambert

                        XCP-ng Center isn't an officially supported client for XCP-ng in the first place, as per https://docs.xcp-ng.org/management/

                        rowieR 1 Reply Last reply Reply Quote 0
                        • rowieR
                          rowie @olivierlambert
                          last edited by

                          @olivierlambert

                          ah, ok. that explains a lot! 🙂
                          What is the best way to migrate xcp-ng to a larger hard drive??

                          1 Reply Last reply Reply Quote 0
                          • olivierlambertO
                            olivierlambert Vates 🪐 Co-Founder CEO
                            last edited by

                            Depends a lot on what you have available. IMHO, I consider the system as disposable, since you can export the metadata, reinstall and import the metadata again. Or backup your VM, reinstall, restore. Or migrate out to another host, reinstall, re-migrate the VMs.

                            So many possibilities, that all depends on your setup.

                            1 Reply Last reply Reply Quote 0
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