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    XCP-ng 7.6 RC1 available

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    • rizaemet 0R
      rizaemet 0 @olivierlambert
      last edited by rizaemet 0

      @olivierlambert Sorry, maybe not right topic for this issue but my xcp-ng is 7.5

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      • olivierlambertO
        olivierlambert Vates 🪐 Co-Founder🦸 CEO 🧑‍💼
        last edited by

        Okay so it's not the right topic indeed, but I really want to know if you still have these issues on 7.6 RC 🙂

        rizaemet 0R 1 Reply Last reply Reply Quote 0
        • rizaemet 0R
          rizaemet 0 @olivierlambert
          last edited by

          @olivierlambert I will try and will post result

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          • olivierlambertO
            olivierlambert Vates 🪐 Co-Founder🦸 CEO 🧑‍💼
            last edited by

            Thanks a lot! It's important to test between 2x 7.6 hosts, to be sure it's still an issue and not a problem from another version in the middle 🙂

            1 Reply Last reply Reply Quote 1
            • C
              conradical
              last edited by conradical

              @olivierlambert said in XCP-ng 7.6 RC1 available:

              o test between 2x 7.6 hosts, to be sure it's still an issue and n

              Mine is between multiple 7.6 hosts. PV tools, no PV tools, linux, windows. It all does it.

              rizaemet 0R 1 Reply Last reply Reply Quote 0
              • rizaemet 0R
                rizaemet 0 @conradical
                last edited by

                @conradical vm have any snapshot what you try to migrate? is this storage live migrate or vm live migrate?

                C 1 Reply Last reply Reply Quote 0
                • C
                  conradical @rizaemet 0
                  last edited by

                  @rizaemet-0
                  No snapshots. It happens on both storage migrate and love migrate.

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

                    Any activity in the VM or it's idle?

                    Are they in the same pool?

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                    • C
                      conradical @olivierlambert
                      last edited by

                      @olivierlambert
                      Same Pool. It does not seem to matter if it is idle or not.

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                      • C
                        conradical
                        last edited by

                        Interesting update: I installed the latest PV tools by enabling window update, this fixed 4 out of my 5 test VMs running windows. More testing is underway with linux PV and HVM.

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                        • olivierlambertO
                          olivierlambert Vates 🪐 Co-Founder🦸 CEO 🧑‍💼
                          last edited by

                          That's maybe the reason why I can't reproduce. It's like old tools will lead to migration problems but not more recent ones 😕

                          C 1 Reply Last reply Reply Quote 0
                          • C
                            conradical @olivierlambert
                            last edited by

                            @olivierlambert said in XCP-ng 7.6 RC1 available:

                            That's maybe the reason why I can't reproduce. It's like old tools will lead to migration problems but not more recent ones 😕

                            HVM also have migration problems.

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

                              I'm testing with PVHVM guests, I can't reproduce since I got latest tools installed 😞

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                              • K
                                KFC-Netearth
                                last edited by borzel

                                I don't know if this helps but I have also been doing some test on 7.5 and it looks like VMs that are using a large percentage of their memory have problems migrating.
                                eg Centos 7 HVM with Atlassian bitbucket java process using about 80%
                                From top:

                                PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND 
 1874 atlbitb+  20   0 3695600   1.3g   6440 S   0.3 42.8   0:52.40 java                 
 1891 atlbitb+  20   0 4154320   1.1g   8124 S   1.3 36.5   6:40.68 java

                                Live migration stops at 99% and stays there till you cancel the migration and I have seen it go to 100% and the VM crash.
                                You then need to restart the toolstack on the receiving server or
                                /var/log/xcp-rrdd-plugins.log
                                fills up with these messages

                                 xcp-rrdd-squeezed: [ warn|xen1-3|0 ||rrdd-plugins] Couldn't find cached dynamic-max value for domain 66, using 0

                                Shut down the 2 java processes and it migrates OK.

                                I have also seen the same problem with migration of virtual disks between iSCSI SRs

                                borzelB olivierlambertO 2 Replies Last reply Reply Quote 0
                                • borzelB
                                  borzel XCP-ng Center Team 🏚️ @KFC-Netearth
                                  last edited by

                                  @KFC-Netearth edited your post to see the top output better

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                                  • olivierlambertO
                                    olivierlambert Vates 🪐 Co-Founder🦸 CEO 🧑‍💼 @KFC-Netearth
                                    last edited by olivierlambert

                                    @KFC-Netearth That's really interesting. Do you have the latest tools version installed in your VM?

                                    edit: I'll try to use 80%+ RAM on a test VM and see if it triggers the problem 🙂

                                    1 Reply Last reply Reply Quote 0
                                    • K
                                      KFC-Netearth
                                      last edited by

                                      I have this version of the guest-tools on the VM
                                      #rpm -aq|grep xen
                                      xe-guest-utilities-xenstore-7.10.0-1.x86_64

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                                      • olivierlambertO
                                        olivierlambert Vates 🪐 Co-Founder🦸 CEO 🧑‍💼
                                        last edited by

                                        Seems to be latest tools.

                                        Do you have anything during the failed migration in /var/log/xensource.log? Or /var/log/SMlog?

                                        borzelB 1 Reply Last reply Reply Quote 0
                                        • A
                                          Aleksander @conradical
                                          last edited by Aleksander

                                          iSCSI possible problem:

                                          I install XCP-NG 7.6-RC1 on 2 node testing pool and I get error when I try to attach iSCSI SR.

                                          "The SR could not ne connected because the drive gfs2 was not recognized.
                                          Check you settings and try again."

                                          ![0_1540743412810_XCP-NG_7.6-iSCSI error.jpg](Uploading 100%)

                                          I create THICK volume:
                                          ![0_1540724487043_XCP-NG_7.6-iSCSI create.png](Uploading 0%)

                                          With Citrix XEN 7.6 works fine on same QNAP.

                                          Any idea what I do wrong or I encountered an error in XCP-NG 7.6.

                                          1 Reply Last reply Reply Quote 0
                                          • borzelB
                                            borzel XCP-ng Center Team 🏚️ @olivierlambert
                                            last edited by borzel

                                            @olivierlambert first testresults:

                                            Situation

                                            • testpool at work with 3 nodes
                                            • XCP-ng 7.5 with latest regular updates
                                            • VM with debian 8.9, 2 vCPU, 2GB RAM, latest updates, xe-guest-utilities 7.4.0-1, x64, PVHVM

                                            Test 1 - VM is idle

                                            • VM migrates just fine

                                            Test 2 - VM stressed with stress --cpu 1

                                            • VM migration crashed with error, VM is stopped
                                            Oct 28 16:17:52 xen5 xenopsd-xc: [debug|xen5|32 ||xenops_server] TASK.signal 192582 = ["Failed",["Internal_error","End_of_file"]]
...
Oct 28 16:17:52 xen5 xapi: [debug|xen5|78975 INET :::80|Async.VM.pool_migrate R:e90b0ed1692e|xapi] xenops: will retry migration: caught Xenops_interface.Internal_error("End_of_file") from sync_with_task in attempt 1 of 3.
...
Oct 28 16:17:52 xen5 xenopsd-xc: [ info|xen5|28 |Async.VM.pool_migrate R:e90b0ed1692e|xenops_server] Caught Xenops_interface.Does_not_exist(_) executing ["VM_migrate",["0c19e8aa-24d2-a6a4-5677-8ef4af6dd592",{},{},{},"http://xxx.xxx.xxx.xxx/services/xenops?session_id=OpaqueRef:89ad861c-f0fd-4d70-bb0d-4bf65741f13a"]]: triggering cleanup actions

                                            (full log: https://schulzalex.de/nextcloud/index.php/s/pT456wEZkBoJrTw)

                                            I had to execute xe-toolstack-restart on the whole pool to get migration working again.

                                            Test3 - VM is idle

                                            • migrate just fine like in Test 1

                                            Test4 - VM is executing apt upgrade

                                            • migrate stucks at ... VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100... until the upgrade inside the VM is finished and the VM is idle

                                            Partial output of tail -f /var/log/xensource.log | grep -i migrate | grep -i progress

                                            ...
Oct 28 16:57:56 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:56 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:56 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:56 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:56 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:57 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:57 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:57 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:57 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:57 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:57 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:57 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:57 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:57 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:58 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:58 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:58 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:58 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:58 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:58 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:58 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:58 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:58 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:58 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:58 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:58 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:59 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:59 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:59 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:59 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:59 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:59 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:59 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:59 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:59 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:59 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:57:59 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:58:00 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:58:00 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:58:00 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:58:00 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:58:00 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:58:00 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
Oct 28 16:58:00 xen5 xenopsd-xc: [debug|xen5|14 |Async.VM.pool_migrate R:ccb8ffcf5ce5|xenops] VM = 0c19e8aa-24d2-a6a4-5677-8ef4af6dd592; domid = 26; progress = 99 / 100
....
                                            • in the end the VM is migrated just fine
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