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    XO spawned VM from template has wrong VIF network order

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

      What do you mean in reverse order?

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      • M Offline
        mietek @olivierlambert
        last edited by

        @olivierlambert Hey Oliver.
        I have 2 networks configured in XO: Net1 and Net2.
        Two different address pool and 2 different VLANs.
        The order on the host supposed to be ETH0 -> Net1 and ETH1 -> Net2.
        I have created VM with that network order and then converted it to template.
        After spawning VM from that template the network order is Net2, Net1 which causes problem with my scripts.
        Any reason/solution/ideas how to deal with it?

        Thanks

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

          Please provide the config output of your template (xe template-param-list uuid=<template UUID>)

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          • M Offline
            mietek @olivierlambert
            last edited by olivierlambert

            @olivierlambert

            uuid ( RO)                                  : 6f7611e7-00aa-07ac-66cc-4bf709576af7
                                        name-label ( RW): Debian11-template
                                  name-description ( RW): [<env>/<DC>] <application/infra>: <app name/infra role>
                                      user-version ( RW): 1
                                     is-a-template ( RW): true
                               is-default-template ( RW): false
                                     is-a-snapshot ( RO): false
                                       snapshot-of ( RO): <not in database>
                                         snapshots ( RO): 
                                     snapshot-time ( RO): 19700101T00:00:00Z
                                     snapshot-info ( RO): 
                                            parent ( RO): <not in database>
                                          children ( RO): 
                                 is-control-domain ( RO): false
                                       power-state ( RO): halted
                                     memory-actual ( RO): <not in database>
                                     memory-target ( RO): 0
                                   memory-overhead ( RO): 19922944
                                 memory-static-max ( RW): 2147483648
                                memory-dynamic-max ( RW): 2147483648
                                memory-dynamic-min ( RW): 2147483648
                                 memory-static-min ( RW): 268435456
                                  suspend-VDI-uuid ( RW): <not in database>
                                   suspend-SR-uuid ( RW): <not in database>
                                      VCPUs-params (MRW): 
                                         VCPUs-max ( RW): 1
                                  VCPUs-at-startup ( RW): 1
                            actions-after-shutdown ( RW): Destroy
                              actions-after-reboot ( RW): Restart
                               actions-after-crash ( RW): Restart
                                     console-uuids (SRO): 
                                               hvm ( RO): false
                                          platform (MRW): timeoffset: 1; secureboot: false; device-model: qemu-upstream-compat; videoram: 8; hpet: true; apic: true; device_id: 0001; vga: std; nx: true; pae: true; viridian: false; acpi: 1
                                allowed-operations (SRO): changing_NVRAM; changing_dynamic_range; changing_shadow_memory; changing_static_range; migrate_send; provision; destroy; export; clone; copy
                                current-operations (SRO): 
                                blocked-operations (MRW): 
                               allowed-VBD-devices (SRO): 1; 2; 4; 5; 6; 7; 8; 9; 10; 11; 12; 13; 14; 15; 16; 17; 18; 19; 20; 21; 22; 23; 24; 25; 26; 27; 28; 29; 30; 31; 32; 33; 34; 35; 36; 37; 38; 39; 40; 41; 42; 43; 44; 45; 46; 47; 48; 49; 50; 51; 52; 53; 54; 55; 56; 57; 58; 59; 60; 61; 62; 63; 64; 65; 66; 67; 68; 69; 70; 71; 72; 73; 74; 75; 76; 77; 78; 79; 80; 81; 82; 83; 84; 85; 86; 87; 88; 89; 90; 91; 92; 93; 94; 95; 96; 97; 98; 99; 100; 101; 102; 103; 104; 105; 106; 107; 108; 109; 110; 111; 112; 113; 114; 115; 116; 117; 118; 119; 120; 121; 122; 123; 124; 125; 126; 127; 128; 129; 130; 131; 132; 133; 134; 135; 136; 137; 138; 139; 140; 141; 142; 143; 144; 145; 146; 147; 148; 149; 150; 151; 152; 153; 154; 155; 156; 157; 158; 159; 160; 161; 162; 163; 164; 165; 166; 167; 168; 169; 170; 171; 172; 173; 174; 175; 176; 177; 178; 179; 180; 181; 182; 183; 184; 185; 186; 187; 188; 189; 190; 191; 192; 193; 194; 195; 196; 197; 198; 199; 200; 201; 202; 203; 204; 205; 206; 207; 208; 209; 210; 211; 212; 213; 214; 215; 216; 217; 218; 219; 220; 221; 222; 223; 224; 225; 226; 227; 228; 229; 230; 231; 232; 233; 234; 235; 236; 237; 238; 239; 240; 241; 242; 243; 244; 245; 246; 247; 248; 249; 250; 251; 252; 253; 254
                               allowed-VIF-devices (SRO): 2; 3; 4; 5; 6
                                    possible-hosts ( RO): 6db7ad46-c045-41f8-b2b2-ab1d6ad845e3
                                       domain-type ( RW): hvm
                               current-domain-type ( RO): <not in database>
                                   HVM-boot-policy ( RW): BIOS order
                                   HVM-boot-params (MRW): firmware: bios; order: cdn
                             HVM-shadow-multiplier ( RW): 1.000
                                         PV-kernel ( RW): 
                                        PV-ramdisk ( RW): 
                                           PV-args ( RW): 
                                    PV-legacy-args ( RW): 
                                     PV-bootloader ( RW): 
                                PV-bootloader-args ( RW): 
                               last-boot-CPU-flags ( RO): vendor: GenuineIntel; features: 1fcbfbff-f7fa3223-2d93fbff-00000523-0000000f-019c47ab-00000008-00000000-00001000-9c000400-00000000-00000000-00000000-00000000-00000000
                                  last-boot-record ( RO): ''
                                       resident-on ( RO): <not in database>
                                          affinity ( RW): <not in database>
                                      other-config (MRW): import_task: OpaqueRef:432bd179-55fa-4c25-bcbf-59a6245819c6; mac_seed: d506686a-830e-d4b4-3814-33868a1315ac; base_template_name: Debian Stretch 9.0; install-methods: cdrom,nfs,http,ftp; linux_template: true
                                            dom-id ( RO): -1
                                   recommendations ( RO): <restrictions><restriction field="memory-static-max" max="1649267441664"/><restriction field="vcpus-max" max="32"/><restriction field="has-vendor-device" value="false"/><restriction field="allow-gpu-passthrough" value="1"/><restriction field="allow-vgpu" value="1"/><restriction field="allow-network-sriov" value="1"/><restriction field="supports-bios" value="yes"/><restriction field="supports-uefi" value="no"/><restriction field="supports-secure-boot" value="no"/><restriction max="255" property="number-of-vbds"/><restriction max="7" property="number-of-vifs"/></restrictions>
                                     xenstore-data (MRW): vm-data/mmio-hole-size: 268435456; vm-data: 
                        ha-always-run ( RW) [DEPRECATED]: false
                               ha-restart-priority ( RW): 
                                             blobs ( RO): 
                                        start-time ( RO): <unknown time>
                                      install-time ( RO): <unknown time>
                                      VCPUs-number ( RO): <not in database>
                                 VCPUs-utilisation (MRO): 
                                        os-version (MRO): 
                                PV-drivers-version (MRO): 
                PV-drivers-up-to-date ( RO) [DEPRECATED]: false
                                            memory (MRO): 
                                             disks (MRO): 
                                              VBDs (SRO): d5154254-a1dd-9873-2590-de8031f20614; 40f49a62-ad2c-1ecd-69f7-e39417f1b67c
                                          networks (MRO): 
                               PV-drivers-detected ( RO): false
                                             other (MRO): has-vendor-device: 0; platform-feature-xs_reset_watches: 1; platform-feature-multiprocessor-suspend: 1
                                              live ( RO): true
                        guest-metrics-last-updated ( RO): 20220622T13:42:25Z
                               can-use-hotplug-vbd ( RO): unspecified
                               can-use-hotplug-vif ( RO): unspecified
                          cooperative ( RO) [DEPRECATED]: true
                                              tags (SRW): 
                                         appliance ( RW): <not in database>
                                 snapshot-schedule ( RW): <not in database>
                                  is-vmss-snapshot ( RO): false
                                       start-delay ( RW): 0
                                    shutdown-delay ( RW): 0
                                             order ( RW): 0
                                           version ( RO): 0
                                     generation-id ( RO): 
                         hardware-platform-version ( RO): 0
                                 has-vendor-device ( RW): false
                                   requires-reboot ( RO): false
                                   reference-label ( RO): debian-9
                                      bios-strings (MRO): bios-vendor: Xen; bios-version: ; system-manufacturer: Xen; system-product-name: HVM domU; system-version: ; system-serial-number: ; enclosure-asset-tag: ; hp-rombios: ; oem-1: Xen; oem-2: MS_VM_CERT/SHA1/bdbeb6e0a816d43fa6d3fe8aaef04c2bad9d3e3d
            
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            • M Offline
              mietek @mietek
              last edited by

              I do not see any VIF order here.
              Is there a way to force it on the template config level?

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              • M Offline
                mietek @olivierlambert
                last edited by

                @olivierlambert Anything else I may provide to help to fix this issue?
                Thanks

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

                  Each VIF got a device number (from 0 to n).

                  Do a xe vm-vif-list uuid=<VM UUID> to see each VIF.

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                  • M Offline
                    mietek @olivierlambert
                    last edited by

                    @olivierlambert I can see template having allowed-VIF-devices list:
                    allowed-VIF-devices (SRO): 2; 3; 4; 5; 6

                    but I do not see any list of preferred order of them.
                    Is there a way to force template to to use it in specific order?
                    And why would VM created based on the template have that order reversed?

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

                      There's no reason the template will change the order. I'm still not sure to understand your problem at all 🤔

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                      • M Offline
                        mietek @olivierlambert
                        last edited by

                        @olivierlambert I am surprised as well, that is why I have raised this question.
                        Template is saved with the networks order Net1 Net2.
                        VM spawned from it is having networks order Net2, Net1.

                        Is there a way to check which order the template was created with?
                        Maybe the networks were renamed in the mean time or something?
                        I am shooting in the dark here ...

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

                          On the created VM (from this template), do a xe vm-vif-list uuid=<VM UUID> and paste it here.

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                          • M Offline
                            mietek @olivierlambert
                            last edited by olivierlambert

                            @olivierlambert
                            I have recreated the base VM [debian11-template], convert it to template and generated net VM [zzz-nettest2] based on that template.
                            These are the differences in VIF config:

                            original VM:

                            uuid ( RO)                  : 84c4bd3e-4f50-48dc-4050-19dd4e8a8a8a
                                     vm-name-label ( RO): Debian11-template
                                            **device ( RO): 0**
                                               MAC ( RO): 9e:82:ec:4e:53:4f
                                      network-uuid ( RO): 1f7bec14-2ff5-471d-ba9c-bd84882ede17
                                **network-name-label ( RO): Net1**
                            
                            
                            uuid ( RO)                  : 1d0aca18-e4f2-8b08-9ae6-022846241ab1
                                     vm-name-label ( RO): Debian11-template
                                            **device ( RO): 1**
                                               MAC ( RO): 02:76:1f:22:c0:be
                                      network-uuid ( RO): 79fd2cb6-762a-e433-129a-edbb32612735
                                **network-name-label ( RO): Net2**
                            

                            new VM

                            uuid ( RO)                  : f4e200d6-2ba4-d2a4-961e-a0431951d25a
                                     vm-name-label ( RO): zzz-nettest2
                                            **device ( RO): 1**
                                               MAC ( RO): 6e:18:1e:93:38:e9
                                      network-uuid ( RO): 1f7bec14-2ff5-471d-ba9c-bd84882ede17
                                **network-name-label ( RO): Net1**
                            
                            
                            uuid ( RO)                  : 16fbbd49-bb80-d111-dc83-5c47447ac174
                                     vm-name-label ( RO): zzz-nettest2
                                            **device ( RO): 0**
                                               MAC ( RO): a2:fe:cd:37:58:9f
                                      network-uuid ( RO): 79fd2cb6-762a-e433-129a-edbb32612735
                                **network-name-label ( RO): Net2**
                            

                            It happens no matter if I convert the template from the VM or create it from snapshot.

                            Template details below:

                            uuid ( RO)                                  : f5b33b1c-798c-7f01-3ad6-9f5a44d1a25e
                                                        name-label ( RW): Debian11-template
                                                  name-description ( RW): [<env>/<DC>] <application/infra>: <app name/infra role>
                                                      user-version ( RW): 1
                                                     is-a-template ( RW): true
                                               is-default-template ( RW): false
                                                     is-a-snapshot ( RO): false
                                                       snapshot-of ( RO): <not in database>
                                                         snapshots ( RO): 
                                                     snapshot-time ( RO): 19700101T00:00:00Z
                                                     snapshot-info ( RO): 
                                                            parent ( RO): <not in database>
                                                          children ( RO): 
                                                 is-control-domain ( RO): false
                                                       power-state ( RO): halted
                                                     memory-actual ( RO): <not in database>
                                                     memory-target ( RO): 0
                                                   memory-overhead ( RO): 19922944
                                                 memory-static-max ( RW): 2147483648
                                                memory-dynamic-max ( RW): 2147483648
                                                memory-dynamic-min ( RW): 2147483648
                                                 memory-static-min ( RW): 268435456
                                                  suspend-VDI-uuid ( RW): <not in database>
                                                   suspend-SR-uuid ( RW): <not in database>
                                                      VCPUs-params (MRW): 
                                                         VCPUs-max ( RW): 1
                                                  VCPUs-at-startup ( RW): 1
                                            actions-after-shutdown ( RW): Destroy
                                              actions-after-reboot ( RW): Restart
                                               actions-after-crash ( RW): Restart
                                                     console-uuids (SRO): 
                                                               hvm ( RO): false
                                                          platform (MRW): timeoffset: 1; secureboot: false; device-model: qemu-upstream-compat; videoram: 8; hpet: true; apic: true; device_id: 0001; vga: std; nx: true; pae: true; viridian: false; acpi: 1
                                                allowed-operations (SRO): changing_NVRAM; changing_dynamic_range; changing_shadow_memory; changing_static_range; migrate_send; provision; destroy; export; clone; copy
                                                current-operations (SRO): 
                                                blocked-operations (MRW): 
                                               allowed-VBD-devices (SRO): 1; 2; 4; 5; 6; 7; 8; 9; 10; 11; 12; 13; 14; 15; 16; 17; 18; 19; 20; 21; 22; 23; 24; 25; 26; 27; 28; 29; 30; 31; 32; 33; 34; 35; 36; 37; 38; 39; 40; 41; 42; 43; 44; 45; 46; 47; 48; 49; 50; 51; 52; 53; 54; 55; 56; 57; 58; 59; 60; 61; 62; 63; 64; 65; 66; 67; 68; 69; 70; 71; 72; 73; 74; 75; 76; 77; 78; 79; 80; 81; 82; 83; 84; 85; 86; 87; 88; 89; 90; 91; 92; 93; 94; 95; 96; 97; 98; 99; 100; 101; 102; 103; 104; 105; 106; 107; 108; 109; 110; 111; 112; 113; 114; 115; 116; 117; 118; 119; 120; 121; 122; 123; 124; 125; 126; 127; 128; 129; 130; 131; 132; 133; 134; 135; 136; 137; 138; 139; 140; 141; 142; 143; 144; 145; 146; 147; 148; 149; 150; 151; 152; 153; 154; 155; 156; 157; 158; 159; 160; 161; 162; 163; 164; 165; 166; 167; 168; 169; 170; 171; 172; 173; 174; 175; 176; 177; 178; 179; 180; 181; 182; 183; 184; 185; 186; 187; 188; 189; 190; 191; 192; 193; 194; 195; 196; 197; 198; 199; 200; 201; 202; 203; 204; 205; 206; 207; 208; 209; 210; 211; 212; 213; 214; 215; 216; 217; 218; 219; 220; 221; 222; 223; 224; 225; 226; 227; 228; 229; 230; 231; 232; 233; 234; 235; 236; 237; 238; 239; 240; 241; 242; 243; 244; 245; 246; 247; 248; 249; 250; 251; 252; 253; 254
                                               allowed-VIF-devices (SRO): 2; 3; 4; 5; 6
                                                    possible-hosts ( RO): 9a33c146-c64d-4933-a54a-18941cb825f0
                                                       domain-type ( RW): hvm
                                               current-domain-type ( RO): <not in database>
                                                   HVM-boot-policy ( RW): BIOS order
                                                   HVM-boot-params (MRW): firmware: bios; order: cdn
                                             HVM-shadow-multiplier ( RW): 1.000
                                                         PV-kernel ( RW): 
                                                        PV-ramdisk ( RW): 
                                                           PV-args ( RW): 
                                                    PV-legacy-args ( RW): 
                                                     PV-bootloader ( RW): 
                                                PV-bootloader-args ( RW): 
                                               last-boot-CPU-flags ( RO): vendor: GenuineIntel; features: 1fcbfbff-f7fa3223-2d93fbff-00000523-0000000f-019c47ab-00000008-00000000-00001000-9c000400-00000000-00000000-00000000-00000000-00000000
                                                  last-boot-record ( RO): ''
                                                       resident-on ( RO): <not in database>
                                                          affinity ( RW): <not in database>
                                                      other-config (MRW): import_task: OpaqueRef:eccf2505-7aaf-4592-b9b0-9887cfa77b33; mac_seed: 1c02ad94-8a62-f861-eabd-0baf9b7c32d4; base_template_name: Debian Stretch 9.0; install-methods: cdrom,nfs,http,ftp; linux_template: true
                                                            dom-id ( RO): -1
                                                   recommendations ( RO): <restrictions><restriction field="memory-static-max" max="1649267441664"/><restriction field="vcpus-max" max="32"/><restriction field="has-vendor-device" value="false"/><restriction field="allow-gpu-passthrough" value="1"/><restriction field="allow-vgpu" value="1"/><restriction field="allow-network-sriov" value="1"/><restriction field="supports-bios" value="yes"/><restriction field="supports-uefi" value="no"/><restriction field="supports-secure-boot" value="no"/><restriction max="255" property="number-of-vbds"/><restriction max="7" property="number-of-vifs"/></restrictions>
                                                     xenstore-data (MRW): vm-data: ; vm-data/mmio-hole-size: 268435456
                                        ha-always-run ( RW) [DEPRECATED]: false
                                               ha-restart-priority ( RW): 
                                                             blobs ( RO): 
                                                        start-time ( RO): <unknown time>
                                                      install-time ( RO): <unknown time>
                                                      VCPUs-number ( RO): <not in database>
                                                 VCPUs-utilisation (MRO): 
                                                        os-version (MRO): 
                                                PV-drivers-version (MRO): 
                                PV-drivers-up-to-date ( RO) [DEPRECATED]: false
                                                            memory (MRO): 
                                                             disks (MRO): 
                                                              VBDs (SRO): fd0f2074-c6e8-b505-b5dc-95ac02fc4e42; 0bc0c5cd-afb5-54f3-8a48-815539029c4c
                                                          networks (MRO): 
                                               PV-drivers-detected ( RO): false
                                                             other (MRO): platform-feature-multiprocessor-suspend: 1; has-vendor-device: 0
                                                              live ( RO): true
                                        guest-metrics-last-updated ( RO): 20220711T14:23:59Z
                                               can-use-hotplug-vbd ( RO): unspecified
                                               can-use-hotplug-vif ( RO): unspecified
                                          cooperative ( RO) [DEPRECATED]: true
                                                              tags (SRW): 
                                                         appliance ( RW): <not in database>
                                                 snapshot-schedule ( RW): <not in database>
                                                  is-vmss-snapshot ( RO): false
                                                       start-delay ( RW): 0
                                                    shutdown-delay ( RW): 0
                                                             order ( RW): 0
                                                           version ( RO): 0
                                                     generation-id ( RO): 
                                         hardware-platform-version ( RO): 0
                                                 has-vendor-device ( RW): false
                                                   requires-reboot ( RO): false
                                                   reference-label ( RO): debian-9
                                                      bios-strings (MRO): bios-vendor: Xen; bios-version: ; system-manufacturer: Xen; system-product-name: HVM domU; system-version: ; system-serial-number: ; enclosure-asset-tag: ; hp-rombios: ; oem-1: Xen; oem-2: MS_VM_CERT/SHA1/d43fa6d3fe8aaef04c2bad9d3e3daaef04c2bad9d3
                            
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                            • M Offline
                              mietek @mietek
                              last edited by

                              @olivierlambert - any ideas?

                              Thanks

                              M 1 Reply Last reply Reply Quote 0
                              • M Offline
                                mietek @mietek
                                last edited by

                                @olivierlambert - any ideas as I ran out of options.

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

                                  Sorry I'm ultra busy at the moment and just getting out of COVID. Hopefully, someone else in the community can help you 🙂

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                                  • tjkreidlT Offline
                                    tjkreidl Ambassador @mietek
                                    last edited by

                                    @mietek Might need to change the NIC order? Should be possible in a similar way in XCP-ng as in XenServer; see for example: https://support.citrix.com/article/CTX135809/how-to-change-order-of-nics-in-xenserver

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                                    • M Offline
                                      mietek @olivierlambert
                                      last edited by

                                      @olivierlambert
                                      Thanks for the info and get well soon!

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                                      • M Offline
                                        mietek @tjkreidl
                                        last edited by mietek

                                        @tjkreidl Thanks for the article. Unfortunately this machine is full of running VMs and changing NICs order on the host might have a global impact on all of them so it seems like an overkill.
                                        I have created this template on this machine and created VM based on that template right away and I experience this issue. It looks like there is a problem with the template creation or template based VM creation process.
                                        Is there a way to change it NIC order in the template itself?

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                                        • tjkreidlT Offline
                                          tjkreidl Ambassador @mietek
                                          last edited by

                                          @mietek As to changing the NIC order in a template, not as far as I know. That is a host/pool configuration setting.

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                                          • M Offline
                                            mietek @tjkreidl
                                            last edited by

                                            @tjkreidl This is surprising then that VM spawned from the template would even be able to change NIC order. This make no sense.
                                            On the other hand how does the template know what is the list on NICs attached to the VM created from it and what should be the order of them then?

                                            tjkreidlT 1 Reply Last reply Reply Quote 0
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