Hi, stackers I launch a vm with command nova boot --nic net-id=8e4d4df7-7534-4733-a2f9-dd44b3b1f90d --image CentOS64 --flavor m1.x1-tiny --key-name dvlp_willier_com --ephemeral size=1 CentOS64_VM01_EPHEMERAL and m1.x1-tiny with 10G ephemeral disk
[root@devstack:keystone_admin /# nova flavor-show m1.x1-tiny +----------------------------+------------+ | Property | Value | +----------------------------+------------+ | OS-FLV-DISABLED:disabled | False | | OS-FLV-EXT-DATA:ephemeral | 10 | | disk | 10 | | extra_specs | {} | | id | 7 | | name | m1.x1-tiny | | os-flavor-access:is_public | True | | ram | 512 | | rxtx_factor | 1.0 | | swap | 2048 | | vcpus | 1 | +----------------------------+------------+ the vm went running, and the ephmeral disk got created [root@devstack:keystone_admin instances]# virsh domblklist 2 Target Source ------------------------------------------------ vda /opt/stack/data/nova/instances/a86bbc9f-92e0-4b63-ae9e-21bf136570d7/disk vdb /opt/stack/data/nova/instances/a86bbc9f-92e0-4b63-ae9e-21bf136570d7/disk.eph0 vdc /opt/stack/data/nova/instances/a86bbc9f-92e0-4b63-ae9e-21bf136570d7/disk.swap but after i stopped the vm, the disk.eph0 still exists. If i start the vm, nova-compute.log error occurs with below exception 2014-05-27 00:52:27.460 ERROR nova.openstack.common.rpc.amqp [req-6c192903-d117-4406-89a4-0bb4af428275 admin admin] Exception during message handling 2014-05-27 00:52:27.460 3773 TRACE nova.openstack.common.rpc.amqp Traceback (most recent call last): 2014-05-27 00:52:27.460 3773 TRACE nova.openstack.common.rpc.amqp File "/opt/stack/nova/nova/openstack/common/rpc/amqp.py", line 461, in _process_data 2014-05-27 00:52:27.460 3773 TRACE nova.openstack.common.rpc.amqp **args) 2014-05-27 00:52:27.460 3773 TRACE nova.openstack.common.rpc.amqp File "/opt/stack/nova/nova/openstack/common/rpc/dispatcher.py", line 172, in dispatch 2014-05-27 00:52:27.460 3773 TRACE nova.openstack.common.rpc.amqp result = getattr(proxyobj, method)(ctxt, **kwargs) 2014-05-27 00:52:27.460 3773 TRACE nova.openstack.common.rpc.amqp File "/opt/stack/nova/nova/compute/manager.py", line 353, in decorated_function 2014-05-27 00:52:27.460 3773 TRACE nova.openstack.common.rpc.amqp return function(self, context, *args, **kwargs) 2014-05-27 00:52:27.460 3773 TRACE nova.openstack.common.rpc.amqp File "/opt/stack/nova/nova/exception.py", line 90, in wrapped 2014-05-27 00:52:27.460 3773 TRACE nova.openstack.common.rpc.amqp payload) 2014-05-27 00:52:27.460 3773 TRACE nova.openstack.common.rpc.amqp File "/opt/stack/nova/nova/exception.py", line 73, in wrapped 2014-05-27 00:52:27.460 3773 TRACE nova.openstack.common.rpc.amqp return f(self, context, *args, **kw) 2014-05-27 00:52:27.460 3773 TRACE nova.openstack.common.rpc.amqp File "/opt/stack/nova/nova/compute/manager.py", line 243, in decorated_function 2014-05-27 00:52:27.460 3773 TRACE nova.openstack.common.rpc.amqp pass 2014-05-27 00:52:27.460 3773 TRACE nova.openstack.common.rpc.amqp File "/opt/stack/nova/nova/compute/manager.py", line 229, in decorated_function 2014-05-27 00:52:27.460 3773 TRACE nova.openstack.common.rpc.amqp return function(self, context, *args, **kwargs) 2014-05-27 00:52:27.460 3773 TRACE nova.openstack.common.rpc.amqp File "/opt/stack/nova/nova/compute/manager.py", line 294, in decorated_function 2014-05-27 00:52:27.460 3773 TRACE nova.openstack.common.rpc.amqp function(self, context, *args, **kwargs) 2014-05-27 00:52:27.460 3773 TRACE nova.openstack.common.rpc.amqp File "/opt/stack/nova/nova/compute/manager.py", line 271, in decorated_function 2014-05-27 00:52:27.460 3773 TRACE nova.openstack.common.rpc.amqp e, sys.exc_info()) 2014-05-27 00:52:27.460 3773 TRACE nova.openstack.common.rpc.amqp File "/opt/stack/nova/nova/compute/manager.py", line 258, in decorated_function 2014-05-27 00:52:27.460 3773 TRACE nova.openstack.common.rpc.amqp return function(self, context, *args, **kwargs) 2014-05-27 00:52:27.460 3773 TRACE nova.openstack.common.rpc.amqp File "/opt/stack/nova/nova/compute/manager.py", line 1850, in start_instance 2014-05-27 00:52:27.460 3773 TRACE nova.openstack.common.rpc.amqp self._power_on(context, instance) 2014-05-27 00:52:27.460 3773 TRACE nova.openstack.common.rpc.amqp File "/opt/stack/nova/nova/compute/manager.py", line 1837, in _power_on 2014-05-27 00:52:27.460 3773 TRACE nova.openstack.common.rpc.amqp block_device_info) 2014-05-27 00:52:27.460 3773 TRACE nova.openstack.common.rpc.amqp File "/opt/stack/nova/nova/virt/libvirt/driver.py", line 1969, in power_on 2014-05-27 00:52:27.460 3773 TRACE nova.openstack.common.rpc.amqp self._hard_reboot(context, instance, network_info, block_device_info) 2014-05-27 00:52:27.460 3773 TRACE nova.openstack.common.rpc.amqp File "/opt/stack/nova/nova/virt/libvirt/driver.py", line 1924, in _hard_reboot 2014-05-27 00:52:27.460 3773 TRACE nova.openstack.common.rpc.amqp block_device_info) 2014-05-27 00:52:27.460 3773 TRACE nova.openstack.common.rpc.amqp File "/opt/stack/nova/nova/virt/libvirt/driver.py", line 4380, in get_instance_disk_info 2014-05-27 00:52:27.460 3773 TRACE nova.openstack.common.rpc.amqp dk_size = int(os.path.getsize(path)) 2014-05-27 00:52:27.460 3773 TRACE nova.openstack.common.rpc.amqp File "/usr/lib64/python2.6/genericpath.py", line 49, in getsize 2014-05-27 00:52:27.460 3773 TRACE nova.openstack.common.rpc.amqp return os.stat(filename).st_size 2014-05-27 00:52:27.460 3773 TRACE nova.openstack.common.rpc.amqp OSError: [Errno 2] No such file or directory: '/opt/stack/data/nova/instances/a86bbc9f-92e0-4b63-ae9e-21bf136570d7/disk.local' How can I start the vm with emphemeral disk --- Thanks, Yitao(依涛 姜) jiangyt.github.io
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