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    Error: VM_HAS_PCI_ATTACHED when IN MEMORY Snapshot mode upon Delta backup

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    • N Offline
      nodje
      last edited by nodje

      After a successful single VM Delta backup on NFS, with Snapshot mode Normal, changing to In Memory produces the following error:

      The VM has a PCI attached device.

       TrueNAS_SCALE (xcp-ng-truenas)

    Snapshot
    Start: 2025-03-20 09:46
    End: 2025-03-20 09:46
    Error: VM_HAS_PCI_ATTACHED(OpaqueRef:15cf0bbe-a635-e870-ffa5-37fd40c97b10)This is a XenServer/XCP-ng error

Start: 2025-03-20 09:46
End: 2025-03-20 09:46
Duration: a few seconds
Error: VM_HAS_PCI_ATTACHED(OpaqueRef:15cf0bbe-a635-e870-ffa5-37fd40c97b10)This is a XenServer/XCP-ng error

      If thuis is unsupported maybe it should be documented.

      BTW, I can't understand how the Offline mode works fro the doc: does it actually shutdown the VM before the snapshot?

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

        Hi,

        It's not supported because you have a PCI device attached, so memory snapshot aren't supported, because this cause crash on resuming it while the PCI device had another context in the meantime.

        Offline means the VM will be shutdown, snap then started.

        edit: "In memory" is like a live migration, so not compatible with PCI passthrough

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