When I run live-migration, it fail because of: MigrationError_Remote: Migration error: Unable to migrate e0fd9c27-cc7b-4420-bd8a-6dd9d5316929 to compute2: Lack of disk(host:-188978561024 <= instance:37580963840) In fact I have 170G free disk on compute2, then I check nova database and find this in compute_nodes which compute2 have: disk_available_least: -176 free_ram_mb: 41086 free_disk_gb: -149 my question is that, how nova get disk info and then fill to this db by the way, horizon seems don't have ability to show host capabilities which I can easy to know how much resource left on each node Thanks -- William Herry ==================== WilliamHerryChina at Gmail.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack/attachments/20120531/9096af77/attachment.html>