On 9/25/11, Robin Lee Powell <rlpowell@xxxxxxxxxxxxxxxxxx> wrote: > > OK, so I've got a Linux host, and a bunch of Linux VMs. > > This means that the host *and* all tho VMs do their own disk > caches/buffers and do their own swap as well. If I'm not wrong, that's why the recommended and current default in libvirtd is to create storage devices with no caching to remove one layer of duplication. > I've considered turning off swap on the VMs so all the swapping at > least happens in *one place*; I dunno if that's best. Not sure it's a good idea. If the VM needs more working memory than you allocated, I think it locks up dead if there is insufficient swap space. At least that appears to be what happened to one of mine. -- 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