Cannot specify target host with 'openstack server migrate --block-migration'

[Andrew Bogott]

On a shared storage system, I can do

openstack server migrate --live <hostname> <server>

If I don't have shared storage and want to do block migrate, I can do

openstack server migrate --block-migrate <server>

But --block-migrate doesn't take a <hostname> argument. The underlying API supports a destination host, and the old 'nova migrate' command also supported it:

nova live-migration --block-migrate <server> [<host>]

[Steve Martinelli (stevemar)]

the --live <host> option should work for both --block-migration and --shared-migration, and will pass both along to novaclient. i'm wondering if this is related to the recent fix [1]

[1] https://github.com/openstack/python-openstackclient/commit/694a24c3093f5b2595b63ccf988da7972e532084

[Andrew Bogott (andrewbogott)]

It may indeed be fixed by that patch, I will try to test. But for now...

$ openstack server migrate --block-migration 1bc4cf77-2f5e-4144-9e65-c5a5e44f53bf --live labvirt1014
labvirt1011 is not on shared storage: Live migration can not be used without shared storage except a booted from volume VM which does not have a local disk. (HTTP 400) (Request-ID: req-e8bc5009-7c55-431d-8951-b7c53a58a12a)