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vmware-prerequisites.adoc

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VMware prerequisites

It is strongly recommended to create a VDDK image to accelerate migrations. For more information, see Creating a VDDK image.

The following prerequisites apply to VMware migrations:

  • You must use a compatible version of VMware vSphere.

  • You must be logged in as a user with at least the minimal set of VMware privileges.

  • To access the virtual machine using a pre-migration hook, VMware Tools must be installed on the source virtual machine.

  • The VM operating system must be certified and supported for use as a guest operating system with {virt} and for conversion to KVM with virt-v2v.

  • If you are running a warm migration, you must enable changed block tracking (CBT) on the VMs and on the VM disks.

  • If you are migrating more than 10 VMs from an ESXi host in the same migration plan, you must increase the NFC service memory of the host.

  • It is strongly recommended to disable hibernation because {project-first} does not support migrating hibernated VMs.

Important

In the event of a power outage, data might be lost for a VM with disabled hibernation. However, if hibernation is not disabled, migration will fail
Note

Neither {project-short} nor OpenShift Virtualization support conversion of Btrfs for migrating VMs from VMWare.

VMware privileges

The following minimal set of VMware privileges is required to migrate virtual machines to {virt} with the {project-first}.

Table 1. VMware privileges
Privilege Description

Virtual machine.Interaction privileges:

Virtual machine.Interaction.Power Off

Allows powering off a powered-on virtual machine. This operation powers down the guest operating system.

Virtual machine.Interaction.Power On

Allows powering on a powered-off virtual machine and resuming a suspended virtual machine.

Virtual machine.Provisioning privileges:

Note

All Virtual machine.Provisioning privileges are required.

Virtual machine.Provisioning.Allow disk access

Allows opening a disk on a virtual machine for random read and write access. Used mostly for remote disk mounting.

Virtual machine.Provisioning.Allow file access

Allows operations on files associated with a virtual machine, including VMX, disks, logs, and NVRAM.

Virtual machine.Provisioning.Allow read-only disk access

Allows opening a disk on a virtual machine for random read access. Used mostly for remote disk mounting.

Virtual machine.Provisioning.Allow virtual machine download

Allows read operations on files associated with a virtual machine, including VMX, disks, logs, and NVRAM.

Virtual machine.Provisioning.Allow virtual machine files upload

Allows write operations on files associated with a virtual machine, including VMX, disks, logs, and NVRAM.

Virtual machine.Provisioning.Clone template

Allows cloning of a template.

Virtual machine.Provisioning.Clone virtual machine

Allows cloning of an existing virtual machine and allocation of resources.

Virtual machine.Provisioning.Create template from virtual machine

Allows creation of a new template from a virtual machine.

Virtual machine.Provisioning.Customize guest

Allows customization of a virtual machine’s guest operating system without moving the virtual machine.

Virtual machine.Provisioning.Deploy template

Allows deployment of a virtual machine from a template.

Virtual machine.Provisioning.Mark as template

Allows marking an existing powered-off virtual machine as a template.

Virtual machine.Provisioning.Mark as virtual machine

Allows marking an existing template as a virtual machine.

Virtual machine.Provisioning.Modify customization specification

Allows creation, modification, or deletion of customization specifications.

Virtual machine.Provisioning.Promote disks

Allows promote operations on a virtual machine’s disks.

Virtual machine.Provisioning.Read customization specifications

Allows reading a customization specification.

Virtual machine.Snapshot management privileges:

Virtual machine.Snapshot management.Create snapshot

Allows creation of a snapshot from the virtual machine’s current state.

Virtual machine.Snapshot management.Remove Snapshot

Allows removal of a snapshot from the snapshot history.