Application-level HA is not a solution for all environment, I can't setup an oracle rac cluster or a windows failover cluster based a host use FC as the storage which already asked in kvm@xxxxxxxxxxxxxxxx list. Hope some body will found same HA solution. On Thu, Aug 22, 2013 at 3:35 PM, Stefan Hajnoczi <stefanha@xxxxxxxxx> wrote: > On Wed, Aug 21, 2013 at 01:02:31PM +0200, g.danti@xxxxxxxxxx wrote: >> However, I wonder if there is a method to have a fully >> fault-tolerant HA configuration, where for "fully fault-tolerant" I >> means that an host crash (eg: power failures) will cause the VMs to >> be migrated to another hosts with no state change. In other word: it >> is possible to have an always-synchronized (both disk & memory) VM >> instance on another host, so that the migrated VM does not need to >> be restarted but only restored/unpaused? For disk data >> synchronization we can use shared storages (bypassing the problem) >> or something similar do DRDB, but what about memory? > > Remember that you can set up HA inside the guests like you do on > physical machines. Hypervisor support is not necessary if you use > existing application-level HA features. > > Stefan > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Focus on: Server Vitualization, Network security,Scanner,NodeJS,JAVA,WWW Blog: http://www.nohouse.net -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
