From: Thomas Lamprecht Date: Fri, 21 Sep 2018 14:14:30 +0000 (+0200) Subject: qm: vmgenid: add note for initial addition on existing VMs X-Git-Url: https://git.proxmox.com/?p=pve-docs.git;a=commitdiff_plain;h=cfd48f55a05104f391ccdf2dcd4627fa2593fb76;hp=effa481895e75d5f55be56c5da225d36e74dd671 qm: vmgenid: add note for initial addition on existing VMs Signed-off-by: Thomas Lamprecht --- diff --git a/qm.adoc b/qm.adoc index bd10ca1..947c144 100644 --- a/qm.adoc +++ b/qm.adoc @@ -811,6 +811,10 @@ e.g.: 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 its value on VM creation, or retroactively delete the property in the configuration with: @@ -821,8 +825,9 @@ configuration with: The most prominent use case for 'vmgenid' are newer Microsoft Windows operating systems, which use it to avoid problems in time sensitive or -replicate services (e.g., databases, domain controller) on snapshot -rollback, backup restore or a whole VM clone operation. +replicate services (e.g., databases, domain controller +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 ------------------------------------------