On 7/6/2011 10:42 AM, PLD wrote: > On 06/07/2011 13:03, Steve Campbell wrote: >> I'm still trying to get xen working before Centos 6 and KVM just for >> experience. I seem to be able to do most of what I what with VMs, but >> I've run into another problem with CD/DVDs. >> >> I can get a DVD mounted on the host domain just fine, but when I try and >> attach-block to a running guest VM, the entire server reboots. I've >> tried many different commands versions based on what Google finds, but >> I'm not getting anywhere. I end up using scp to copy the data from the >> host to the guest. >> >> The guest is basically defined as a full virtualized domain. I'm using >> /dev/scd0 as the device (it's listed on the mount command) as both >> frontend and backend devices. And I've tried a few other devices as >> well, but the same result. > > This should be easy. Use attach-disk, not attach-block. Unmount on the > host before mounting on the domU. See the attach-disk commands in my > reply to one of your other mails. The device is /dev/sr0 on SL6. Give > it a go, and post your exact commands. > BTW, I gave up waiting for Centos-6 long ago. SL6 works just fine with > KVM. Haven't tried Xen on it yet - my Xen domains are on F8. > > Google, in this case, was not my friend, since it pointed me to attach-block instead of attach-disk. Rereading the previous emails, I see where I was errant in using what google was suggesting. Thanks for the help, all. steve