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Hi list,

I'm working under CentOS 6.4 + Havava.

I'm using ceph working as cinder backend.
For, glance, image is stored in local file system.

I want to create a volume from a image.
So I run command
        "cinder create --image-id ${image_id} --display-name ${name} ${size}"

First the volume is under status "downloading":

    cinder list
    +--------------------------------------+-------------+--------------+------+-------------+----------+-------------+
    | ID | Status | Display Name | Size | Volume Type | Bootable | Attached to |
    +--------------------------------------+-------------+--------------+------+-------------+----------+-------------+
    | d626adb7-5220-4e39-a0a6-0de34a9f651c | downloading | my_image_volume| 70 | None | false | |
    +--------------------------------------+-------------+--------------+------+-------------+----------+-------------+

I assume cinder is copy the image file from glance.

But then, I get error in ciner volume.log, and the volume's status turned into error.

    cinder list
    +--------------------------------------+--------+--------------+------+-------------+----------+-------------+
    | ID | Status | Display Name | Size | Volume Type | Bootable | Attached to |
    +--------------------------------------+--------+--------------+------+-------------+----------+-------------+
    | d626adb7-5220-4e39-a0a6-0de34a9f651c | error | my_image_volume| 70 | None | false | |
    +--------------------------------------+--------+--------------+------+-------------+----------+-------------+

Anyone know why this happening ???

Error message in volume.log:

2014-03-04 05:49:11 ERROR [cinder.volume.manager] Error: ['Traceback (most recent call last):\n', ' File "/usr/lib/python2.6/site-packages/cinder/volume/manager.py", line 250, in create_volume\n image_location)\n', ' File "/usr/lib/python2.6/site-packages/cinder/volume/manager.py", line 189, in _create_volume\n image_id)\n', ' File "/usr/lib/python2.6/site-packages/cinder/volume/manager.py", line 602, in _copy_image_to_volume\n image_id)\n', ' File "/usr/lib/python2.6/site-packages/cinder/volume/drivers/rbd.py", line 275, in copy_image_to_volume\n tmp.name)\n', ' File "/usr/lib/python2.6/site-packages/cinder/image/image_utils.py", line 218, in fetch_to_raw\n fetch(context, image_service, image_id, tmp, user_id, project_id)\n', ' File "/usr/lib/python2.6/site-packages/cinder/image/image_utils.py", line 201, in fetch\n image_service.download(context, image_id, image_file)\n', ' File "/usr/lib64/python2.6/contextlib.py", line 34, in __exit__\n self.gen.throw(type, value, traceback)\n', ' File "/usr/lib/python2.6/site-packages/cinder/utils.py", line 946, in remove_path_on_error\n delete_if_exists(path)\n', ' File "/usr/lib64/python2.6/contextlib.py", line 23, in __exit__\n self.gen.next()\n', ' File "/usr/lib/python2.6/site-packages/cinder/utils.py", line 943, in remove_path_on_error\n yield\n', ' File "/usr/lib/python2.6/site-packages/cinder/image/image_utils.py", line 201, in fetch\n image_service.download(context, image_id, image_file)\n', ' File "/usr/lib/python2.6/site-packages/cinder/image/glance.py", line 235, in download\n data.write(chunk)\n', 'IOError: [Errno 28] No space left on device\n']
2014-03-04 05:49:11 ERROR [cinder.volume.driver] Recovering from a failed execute. Try number 1
Traceback (most recent call last):
  File "/usr/lib/python2.6/site-packages/cinder/volume/driver.py", line 88, in _try_execute
    self._execute(*command, **kwargs)
  File "/usr/lib/python2.6/site-packages/cinder/utils.py", line 190, in execute
    cmd=' '.join(cmd))
ProcessExecutionError: Unexpected error while running command.
Command: rbd create --pool specweb --size 71680 volume-d626adb7-5220-4e39-a0a6-0de34a9f651c --new-format
Exit code: 1
Stdout: ''
Stderr: 'rbd: create error: (17) File exists\n2014-03-04 05:49:11.565446 7fb55f8f2760 -1 librbd: rbd image volume-d626adb7-5220-4e39-a0a6-0de34a9f651c already exists\n'
2014-03-04 05:49:12 ERROR [cinder.volume.driver] Recovering from a failed execute. Try number 2
Traceback (most recent call last):
  File "/usr/lib/python2.6/site-packages/cinder/volume/driver.py", line 88, in _try_execute
    self._execute(*command, **kwargs)
  File "/usr/lib/python2.6/site-packages/cinder/utils.py", line 190, in execute
    cmd=' '.join(cmd))
ProcessExecutionError: Unexpected error while running command.
Command: rbd create --pool specweb --size 71680 volume-d626adb7-5220-4e39-a0a6-0de34a9f651c --new-format
Exit code: 1
Stdout: ''
Stderr: 'rbd: create error: (17) File exists\n2014-03-04 05:49:12.675129 7f591067e760 -1 librbd: rbd image volume-d626adb7-5220-4e39-a0a6-0de34a9f651c already exists\n'
2014-03-04 05:49:16 ERROR [cinder.volume.manager] Error: ['Traceback (most recent call last):\n', ' File "/usr/lib/python2.6/site-packages/cinder/volume/manager.py", line 250, in create_volume\n image_location)\n', ' File "/usr/lib/python2.6/site-packages/cinder/volume/manager.py", line 180, in _create_volume\n model_update = self.driver.create_volume(volume_ref)\n', ' File "/usr/lib/python2.6/site-packages/cinder/volume/drivers/rbd.py", line 116, in create_volume\n self._try_execute(*args)\n', ' File "/usr/lib/python2.6/site-packages/cinder/volume/driver.py", line 88, in _try_execute\n self._execute(*command, **kwargs)\n', ' File "/usr/lib/python2.6/site-packages/cinder/utils.py", line 190, in execute\n cmd=\' \'.join(cmd))\n', "ProcessExecutionError: Unexpected error while running command.\nCommand: rbd create --pool specweb --size 71680 volume-d626adb7-5220-4e39-a0a6-0de34a9f651c --new-format\nExit code: 1\nStdout: ''\nStderr: 'rbd: create error: (17) File exists\\n2014-03-04 05:49:16.722241 7f9264b76760 -1 librbd: rbd image volume-d626adb7-5220-4e39-a0a6-0de34a9f651c already exists\\n'\n"]
2014-03-04 05:49:17 ERROR [cinder.volume.driver] Recovering from a failed execute. Try number 1
Traceback (most recent call last):
  File "/usr/lib/python2.6/site-packages/cinder/volume/driver.py", line 88, in _try_execute
    self._execute(*command, **kwargs)
  File "/usr/lib/python2.6/site-packages/cinder/utils.py", line 190, in execute
    cmd=' '.join(cmd))
ProcessExecutionError: Unexpected error while running command.
Command: rbd create --pool specweb --size 71680 volume-d626adb7-5220-4e39-a0a6-0de34a9f651c --new-format
Exit code: 1
Stdout: ''
Stderr: 'rbd: create error: (17) File exists\n2014-03-04 05:49:17.152936 7fd25dec2760 -1 librbd: rbd image volume-d626adb7-5220-4e39-a0a6-0de34a9f651c already exists\n'
2014-03-04 05:49:18 ERROR [cinder.volume.driver] Recovering from a failed execute. Try number 2
Traceback (most recent call last):
  File "/usr/lib/python2.6/site-packages/cinder/volume/driver.py", line 88, in _try_execute
    self._execute(*command, **kwargs)
  File "/usr/lib/python2.6/site-packages/cinder/utils.py", line 190, in execute
    cmd=' '.join(cmd))
ProcessExecutionError: Unexpected error while running command.
Command: rbd create --pool specweb --size 71680 volume-d626adb7-5220-4e39-a0a6-0de34a9f651c --new-format
Exit code: 1
Stdout: ''
Stderr: 'rbd: create error: (17) File exists2014-03-04 05:49:18.216348 7f6580deb760 -1 \nlibrbd: rbd image volume-d626adb7-5220-4e39-a0a6-0de34a9f651c already exists\n'
2014-03-04 05:49:22 ERROR [cinder.volume.manager] Error: ['Traceback (most recent call last):\n', ' File "/usr/lib/python2.6/site-packages/cinder/volume/manager.py", line 250, in create_volume\n image_location)\n', ' File "/usr/lib/python2.6/site-packages/cinder/volume/manager.py", line 180, in _create_volume\n model_update = self.driver.create_volume(volume_ref)\n', ' File "/usr/lib/python2.6/site-packages/cinder/volume/drivers/rbd.py", line 116, in create_volume\n self._try_execute(*args)\n', ' File "/usr/lib/python2.6/site-packages/cinder/volume/driver.py", line 88, in _try_execute\n self._execute(*command, **kwargs)\n', ' File "/usr/lib/python2.6/site-packages/cinder/utils.py", line 190, in execute\n cmd=\' \'.join(cmd))\n', "ProcessExecutionError: Unexpected error while running command.\nCommand: rbd create --pool specweb --size 71680 volume-d626adb7-5220-4e39-a0a6-0de34a9f651c --new-format\nExit code: 1\nStdout: ''\nStderr: 'rbd: create error: (17) File exists\\n2014-03-04 05:49:22.261890 7f1c32ecc760 -1 librbd: rbd image volume-d626adb7-5220-4e39-a0a6-0de34a9f651c already exists\\n'\n"]

My cinder config file /etc/cinder/cinder.conf
    [DEFAULT]
    logdir = /var/log/cinder
    state_path = /var/lib/cinder
    lock_path = /var/lib/cinder/tmp

    debug=False
    verbose=False

    # Backend using Ceph
    volume_driver = cinder.volume.drivers.rbd.RBDDriver

    rbd_pool = cinderpool
    rbd_ceph_conf=/etc/ceph/ceph.conf

    rbd_flatten_volume_from_snapshot=false
    rbd_max_clone_depth=5

    # glance
    glance_host = 192.101.11.10
    glance_api_version = 2

    # database
    sql_connection = mysql://cinder:cinder@192.168.11.11/cinder

    # rpc
    rpc_backend = cinder.openstack.common.rpc.impl_qpid
    qpid_hostname=192.168.11.11
    qpid_port=5672

    # rootwrap
    rootwrap_config = /etc/cinder/rootwrap.conf

    auth_strategy=keystone

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