Hi all, I am looking for a solution, like, I hope Glusterfs can fit into it, that is, something that allows me to do live migrations of virtual machines from one compute node to another (KVM, OpenStack).
And so I found an article about the Glusterfs-OpenStack-Connector, which was just a basic Glusterfs setup that shared the /var/lib/nova/instances directory across all compute nodes. This is necessary to allow virtual machines to migrate within milliseconds from one compute node to another, as all nodes already share every data. Now my question is, how well does Glusterfs scale when you're having about 50+ compute nodes (on which you're about to run virtual machines). What kind of setup would you recommend, to actually not suffer in runtime performance, networking iops, nor in availability. Many thanks in advance, Christian Parpart.
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