Re: [Linux-cluster] Fedora 19 cluster stack and Cluster registry components

2013-04-23 Thread Digimer
First up, before I begin, I am looking to pacemaker for the future as well and do not yet use it. So please take whatever I say about pacemaker with a grain of sand. Andrew, on the other hand, is the author and anything he says can be taken as authoritative on the topic. On the future; I also

Re: [Linux-cluster] HA-LVM with KVM

2013-04-23 Thread Devin A. Bougie
Just to close out this thread, sanlock should be used to ensure a VM is only running on one node at a time: http://libvirt.org/locking.html https://access.redhat.com/site/solutions/186853 Devin On Apr 19, 2013, at 10:15 AM, Devin Bougie wrote: > On Apr 18, 2013, at 5:54 PM, Digimer wrote: >>

Re: [Linux-cluster] Fedora 19 cluster stack and Cluster registry components

2013-04-23 Thread Michael Richmond
Andrew and Digimer, Thank you for taking the time to respond, you have collaborated some of what I've been putting together as the likely direction. I am working on adapting some cluster-aware storage features for use in a Linux cluster environment. With this kind of project it is useful to try an

Re: [Linux-cluster] Migrate VMs between two clusters

2013-04-23 Thread Keith Schincke
Once your VM is under cluster control, you should use the cluster commands to start, stop or migrate it. Using a combination of Cluster and virsh commands can result in a corrupt VM disk image as you can end up with the VM running on multiple nodes at the same time. I messed this up once while bui

Re: [Linux-cluster] Migrate VMs between two clusters

2013-04-23 Thread Digimer
On 04/23/2013 06:11 AM, Ralf Aumueller wrote: Hello, we have two 2-node clusters running on CentOS 6.4. Only service managed by clusters are KVM virtual machines. Both clusters have access to an NFS-server on which the config and storage files of the VMs reside. Now I want to move a VM from clus

[Linux-cluster] Migrate VMs between two clusters

2013-04-23 Thread Ralf Aumueller
Hello, we have two 2-node clusters running on CentOS 6.4. Only service managed by clusters are KVM virtual machines. Both clusters have access to an NFS-server on which the config and storage files of the VMs reside. Now I want to move a VM from cluster1 to cluster2 with the following approach: O