Re: [one-users] VM HA with RBD

2013-09-13 Thread Tobias Brunner
Hi, Thanks a lot for your answer. [...] * Why has the VM to be recreated? The disk image lies on a shared storage (RBD) and should only be started on another host, not recreated. Any other process will try to contact the failing host so the only possible path is to recreate the VM. Note that t

Re: [one-users] VM HA with RBD

2013-09-13 Thread Ruben S. Montero
Hi The HA hooks are really a template to implement a full HA solution. As stated in the guide, you can end up with two living VMs, so fencing is needed for this to work (if you have a configured fencing mechanism, is just matter of triggering it from the hook, for the failed hook). regarding your

[one-users] VM HA with RBD

2013-09-09 Thread Tobias Brunner
Hi, While testing the provided HOST_HOOK "host_error.rb" to have VM High Availability with RADOS/RBD as block device backend several questions popped up which I was not able to solve: The configuration is very default-ish: HOST_HOOK = [ name = "error", on= "ERROR", co