Hi, I am setting up a small cluster using a VM (master) and 3 bare metal servers (all running Ubuntu 14.04). Each bare metal server also has 2T of disk space exported using Ceph 0.94.5 <http://docs.ceph.com/docs/v0.94.5/start/>.
I would like to be able to run LXD VMs (containers) on this cluster and to easily migrate these VMs to different nodes. I could have installed OpenStack, but that seems rather complicated to me (maybe OpenStack is an overkill for such a small cluster like mine). So, my solution was to create a big Ceph/rbd block volume and mount it at the LXD container folder ( /var/lib/lxd/containers) in all nodes. To move a VM, I just shut it down in one node and then start it again in another. For just one VM it's working fine, but it doesn't seem to me as a long term solution. My questions: 1. Is there a way to pass a block volume (Ceph/rbd) or folder to a LXD VM, so LXD itself would mount the root folder (/)? It would be nice to have a block volume for each VM (and not all VMs using the same folder). 2. Is there a simpler solution than OpenStack for my use case (or a simpler installation procedure for OpenStack)? 3. Ultimately, I would like my cluster to have the ability to schedule VMs to nodes, move VMs from failed nodes, etc. Any suggestions on how to get that? -- Dilvan de Abreu Moreira, Ph.D. [email protected] http://java.icmc.usp.br Warning: I use a spam filter, some emails sent to me CAN be lost!
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