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This article was published originally at https://kubevirt.io/2020/Live-migration.html Introduction This blog post will be explaining on KubeVirt’s ability to perform live migration of virtual machines. Live Migration is a process during which a running Virtual Machine Instance moves to another compute node while the guest workload continues to run and remain accessible. The concept of live migration is already well-known among virtualization platforms and enables administrators to keep user workloads running while the servers can be moved to maintenance for any reason that you might think of like: ...

This article was published originally at https://metal3.io/blog/2019/09/11/Baremetal-operator.html Introduction The baremetal operator, documented at https://github.com/metal3-io/baremetal-operator/blob/master/docs/api.md, it’s the Operator in charge of definitions of physical hosts, containing information about how to reach the Out of Band management controller, URL with the desired image to provision, plus other properties related with hosts being used for provisioning instances. Quoting from the project: The Bare Metal Operator implements a Kubernetes API for managing bare metal hosts. It maintains an inventory of available hosts as instances of the BareMetalHost Custom Resource Definition. The Bare Metal Operator knows how to: Inspect the host’s hardware details and report them on the corresponding BareMetalHost. This includes information about CPUs, RAM, disks, NICs, and more. Provision hosts with a desired image Clean a host’s disk contents before or after provisioning. ...