Hi,all The openstack was running on one server in my experiment. The VolumeGroup named 'cinder-volumes' was comprised by a local disk partition whose name was '/dev/sda2'.
A volume was created in the dashboard, and I tried to attach it to a running instance. However, the operation was failed. The exception in nova/compute.log said that the disk bus ide could not be hotplugged. As known to all, the ide bus cannot be hotplugged to a running instance. It seems that the current version used the bus type 'ide' as the default one. In this case, all the volumes created in the 'cinder-volumes' cannot be hotplugged into the running vm. You can never attach a volume to a suspend instance in the dashboard. There is no choice to this in the portal. How can I choose the type 'virtio' when the volume has been attached? [root@localhost nova]# nova --version 2.13.0 [root@localhost nova]# uname -a Linux localhost 3.9.4-200.fc18.x86_64 #1 SMP Fri May 24 20:10:49 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux [root@localhost nova]# Thank you.
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