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...ant to generate included JSON files, but only the primitives introduced in migration.json. We should have an unified place for migration documentation in general. The plan for now is we make it:

existing live migration facility in QEMU. ...ndary servers. Please prepare a SAN to place the guest image same as live migration.

This page lists areas in the implementation of [[Features/Channel_I/O_Passthrough|vfio-ccw for channel I/O passthrough]] that still n == Missing architecture features ==

=== Migration === No problems found during instance creation, live migration and deletion. For these activities, Ganeti sends commands to QEMU both via

| [[Planning/SoftFeatureFreeze|Soft feature freeze]]. All features should have patches on the list by this date; major features should

* Migration of virtio-blk is broken (patch posted: "[PATCH] virtio-blk: correctly dirty ...ry-command-line-options shows no options for -machine, breaks some libvirt features (will be fixed in 2.3.0-rc2)

...igration of KVM guests with up to 8TB of memory continues to work, as will migration of >8TB guests from QEMU 4.2 on. === New deprecated options and features ===

* Migration and vm save/load now works correctly on the vexpress-a15 and vexpress-a9 mo ...cpu-add QMP command. More details [[Features/CPUHotplug#cpu-add_interface|Features/CPUHotplug]].

* {{git|77a0262}} hw/9pfs: use migration blockers to prevent live migration when virtfs export path is mounted ...s without a native code generator can use the TCG interpreter (TCI). See [[Features/TCI]] for more information.

...irtualization is enabled. The next version of QEMU will be able to do live migration when nested virtualization is enabled, if supported by the kernel. === New deprecated options and features ===

* ghes migration broken (looped vmstate https://lists.gnu.org/archive/html/qemu-devel/2020-1 * migration incompatibility of nec-usb-xhci ( https://lists.gnu.org/archive/html/qemu-d

...[https://qemu-project.gitlab.io/qemu/about/removed-features.html 'Removed features' ] page for details of suggested replacement functionality === New deprecated options and features ===

* Live migration support for NVRAM * Support for cpu state handling and migration.

...g a pflash drive. This feature is not supported when KVM is enabled. See [[Features/PC System Flash]] for more information. * KVM guests support Hyper-V enlightenments. These are enabled by the -cpu features hv_spinlocks, hv_relaxed and hv_vapic.

...he two parts above, e.g. link script to generate flat image. Some specific features will be listed here. ...e mini hypervisor neeeded in this project doesn't need so many complicated features (e.g. Buddy system). Only CPU management, memory management, interrupt cont

Future qemu is expected to support these features (some already implemented): = Live features =

:This change requires care when doing migration from 1.x to 2.x QEMU; you need to specify bus=NEW explicitly on the destina ...rename is pci to pci.0 for pseries. This does not require as much care on migration; if you were specifying "bus=pci" explicitly, QEMU will not start unless yo

=== Removed features and incompatible changes === ...[https://qemu-project.gitlab.io/qemu/about/removed-features.html 'Removed features'] page for details of suggested replacement functionality.

* Changes to device "sdhci-pci" will make migration between old and new versions impossible. * [[Features/HRandomHypercall | H_RANDOM hypercall]] device for providing good random da

=== New deprecated options and features === ...System Emulation User's Guide for the full list of historically deprecated features/options.