Re: kvm live volume migration

2019-09-25 Thread Melanie Desaive
Hi all, I am currently doing my first steps with KVM as hypervisor for CloudStack. I was shocked to realize that currently live volume migration between different shared storages is not supported with KVM. This is a feature I use intensively with XenServer. How do you get along with this limitati

Re: kvm live volume migration

2019-09-25 Thread Andrija Panic
So, let me explain. Doing "online storage migration" aka live storage migration is working for CEPH/NFS --> SolidFire, starting from 4.11+ Internally it is done in the same way as "virsh with --copy-storage-all --xml" in short Longer explanation: Steps: You create new volumes on the destination s

Re: kvm live volume migration

2019-09-25 Thread Melanie Desaive
Hi Andrija, thank you so much for your detailled explanation! Looks like the my problem can be solved. :) To summarize the information you provided: As long as CloudStack does not support volume live migration I could be using virsh with --copy-storage --xml. BUT: CentOS7 is lacking necessary

Re: kvm live volume migration

2019-09-25 Thread Andrija Panic
Hi Mellanie, so Ubuntu 14.04+ - i.e. 16.04 working fine, 18.04 also being supported in later releases... CentOS7 is THE recommended OS (or more recent Ubuntu) - but yes, RHEL makes small surprises sometimes (until CentOS 7.1, if not mistaken, they also didn't provide RBD/Ceph support, only in pai

RE: [DISCUSS] CloudStack Kubernetes Service plugin

2019-09-25 Thread Paul Angus
The FS is here: https://cwiki.apache.org/confluence/display/CLOUDSTACK/CloudStack+Kubernetes+Service I'll let Abhishek fill in any gaps between whats in the FS and your questions - it might be good to comment on the FS so all of this gets captured. The one thing I would add is that we see this a

Re: [DISCUSS] CloudStack Kubernetes Service plugin

2019-09-25 Thread Sven Vogel
Sounds interesting. For me there are also some questions like Pierre. If I understand it correctly all nodes inclusive the masters will be deployed from a core os template? What are the pvc or storage class backend which are available to the cluster nodes? (Local storage from the core os vms?)

RE: [DISCUSS] CloudStack Kubernetes Service plugin

2019-09-25 Thread Paul Angus
Hi Sven, The cloudstack-kubernetes-provider is a plugin for Kubernetes which enables Kubernetes to drive CloudStack actions, such as opening firewall ports. The CloudStack Kubernetes service, enables end users to request say, a Kubernetes cluster with 1 master and 4 workers (based on a user requ