Open Stack

That's what i need, thank you


---
Thanks,
Yitao(依涛 姜)
jiangyt.github.io


On Tue, May 27, 2014 at 3:01 AM, Aaron Knister <aaron.knister at gmail.com>wrote:

> I think you might be hitting this bug:
>
> https://bugs.launchpad.net/nova/+bug/1305423
>
> My workaround was to create additional flavors with the ephemeral disk
> size pre-set.
>
> Sent from my iPhone
>
> On May 26, 2014, at 12:54 PM, Yitao Jiang <willierjyt at gmail.com> wrote:
>
> 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 at 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 at 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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