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qm: vmgenid: add note for initial addition on existing VMs

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Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
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Thomas Lamprecht 2018-09-21 16:14:30 +02:00
parent effa481895
commit cfd48f55a0
1 changed files with 7 additions and 2 deletions
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@ -811,6 +811,10 @@ e.g.:
qm set VMID -vmgenid 00000000-0000-0000-0000-000000000000 qm set VMID -vmgenid 00000000-0000-0000-0000-000000000000
---- ----
NOTE: The initial addition of a 'vmgenid' device to an existing VM, may result
in the same effects as a change on snapshot rollback, backup restore, etc., has
as the VM can interpret this as generation change.
In the rare case the 'vmgenid' mechanism is not wanted one can pass `0' for In the rare case the 'vmgenid' mechanism is not wanted one can pass `0' for
its value on VM creation, or retroactively delete the property in the its value on VM creation, or retroactively delete the property in the
configuration with: configuration with:
@ -821,8 +825,9 @@ configuration with:
The most prominent use case for 'vmgenid' are newer Microsoft Windows The most prominent use case for 'vmgenid' are newer Microsoft Windows
operating systems, which use it to avoid problems in time sensitive or operating systems, which use it to avoid problems in time sensitive or
replicate services (e.g., databases, domain controller) on snapshot replicate services (e.g., databases, domain controller
rollback, backup restore or a whole VM clone operation. footnote:[https://docs.microsoft.com/en-us/windows-server/identity/ad-ds/get-started/virtual-dc/virtualized-domain-controller-architecture])
on snapshot rollback, backup restore or a whole VM clone operation.
Importing Virtual Machines and disk images Importing Virtual Machines and disk images
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