Re: [Openstack] snapshots, backups of running VMs and compute node recovery

2012-11-14 Thread gtt116
Hi, After delete all instance and recreate them, their fixed-ip and uuid will change. I don't think the way is good enough to end user. If we can rebuild instance with same uuid and fixed-ip, etc to another host will be good. - Tian 于 2012年11月13日 17:02, Édouard Thuleau 写道: Hi Jānis, Yes, by

Re: [Openstack] snapshots, backups of running VMs and compute node recovery

2012-11-12 Thread Édouard Thuleau
I try to implement a simple way to automate the backup mechanism (eg. every day): https://blueprints.launchpad.net/nova/+spec/backup-schedule And I though of a solution to respond to your needs: when a node fails (for any reasons), I disable it, I delete all servers was running on it and I

Re: [Openstack] snapshots, backups of running VMs and compute node recovery

2012-11-12 Thread Jānis Ģeņģeris
On Fri, Nov 9, 2012 at 9:45 PM, Vishvananda Ishaya vishvana...@gmail.comwrote: The libvirt driver has actually gotten quite good at rebuilding all of the data for instances. This only thing it can't do right now is redownload base images from glance. With current state if you simply back up

Re: [Openstack] snapshots, backups of running VMs and compute node recovery

2012-11-12 Thread Jānis Ģeņģeris
Hi, What do you mean with deleting all servers? If the node is down, then all the VM data is gone too, or you are talking about DB entries? On Mon, Nov 12, 2012 at 11:08 AM, Édouard Thuleau thul...@gmail.com wrote: I try to implement a simple way to automate the backup mechanism (eg. every

[Openstack] snapshots, backups of running VMs and compute node recovery

2012-11-09 Thread Jānis Ģeņģeris
Hello all, I would like to know the available solutions that are used regarding to backing up and/or snapshotting running instances on compute nodes. Documentation does not mention anything related to this. With snapshots I don't mean the current snapshot mechanism, that imports image of the

Re: [Openstack] snapshots, backups of running VMs and compute node recovery

2012-11-09 Thread Vishvananda Ishaya
The libvirt driver has actually gotten quite good at rebuilding all of the data for instances. This only thing it can't do right now is redownload base images from glance. With current state if you simply back up the instances directory (usually /var/lib/nova/instances) then you can recover by