diff --git a/modules/virt-about-upgrading-virt.adoc b/modules/virt-about-upgrading-virt.adoc index 2512688b5b0f..9e7cbc3dda7a 100644 --- a/modules/virt-about-upgrading-virt.adoc +++ b/modules/virt-about-upgrading-virt.adoc @@ -37,3 +37,12 @@ used to manage the virtual machine process. * DataVolumes and their associated PersistentVolumeClaims are preserved during upgrade. ++ +[IMPORTANT] +==== +If you have virtual machines running that cannot be live migrated, they might block an {product-title} cluster upgrade. +This includes virtual machines that use hostpath provisioner storage or SR-IOV network interfaces. + +As a workaround, you can reconfigure the virtual machines so that they can be powered off automatically during a cluster upgrade. Remove the `evictionStrategy: LiveMigrate` field and +set the `runStrategy` field to `Always`. Learn more about xref:../virt/live_migration/virt-configuring-vmi-eviction-strategy.adoc#virt-configuring-vmi-eviction-strategy[configuring virtual machine eviction strategy]. +====