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
