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[Bug 1701153] [NEW] XenAPI: Failed to create ephemeral disk for VMs on XenServer 7.0/7.1

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Public bug reported:

1. setup devstack on XenServer 7.0;
2. create flavor with a ephemeral disk
 nova flavor-create --ephemeral 1 test-ephemeral 81 1 1 1
3. Boot VM with the above flavor:
nova boot --image cirros-0.3.5-x86_64-disk --nic net-id=60f82bcc-dfed-4825-8832-4a9331e2df2c --flavor 81 --admin-pass admin --config-drive true testVM2
4. the VM booting will failed with the following traceback:


Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: sible value for cylinders: 130 (should be in 0-129)\nsfdisk: I don't like these partitions - nothing changed.\n(If you really want this, use the --force option.)\n'"]
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8] Traceback (most recent call last):
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/opt/stack/nova/nova/compute/manager.py", line 2144, in _build_resources
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     yield resources
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/opt/stack/nova/nova/compute/manager.py", line 1959, in _build_and_run_instance
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     block_device_info=block_device_info)
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/opt/stack/nova/nova/virt/xenapi/driver.py", line 174, in spawn
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     admin_password, network_info, block_device_info)
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/opt/stack/nova/nova/virt/xenapi/vmops.py", line 436, in spawn
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     network_info, block_device_info, name_label, rescue)
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/opt/stack/nova/nova/virt/xenapi/vmops.py", line 619, in _spawn
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     undo_mgr.rollback_and_reraise(msg=msg, instance=instance)
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/opt/stack/nova/nova/utils.py", line 813, in rollback_and_reraise
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     self._rollback()
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     self.force_reraise()
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     six.reraise(self.type_, self.value, self.tb)
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/opt/stack/nova/nova/virt/xenapi/vmops.py", line 584, in _spawn
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     attach_devices_step(undo_mgr, vm_ref, vdis, disk_image_type)
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/opt/stack/nova/nova/virt/xenapi/vmops.py", line 130, in inner
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     rv = f(*args, **kwargs)
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/opt/stack/nova/nova/virt/xenapi/vmops.py", line 517, in attach_devices_step
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     attach_disks(undo_mgr, vm_ref, vdis, disk_image_type)
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/opt/stack/nova/nova/virt/xenapi/vmops.py", line 464, in attach_disks
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     admin_password, injected_files)
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/opt/stack/nova/nova/virt/xenapi/vmops.py", line 808, in _attach_disks
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     ephemeral_gb)
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/opt/stack/nova/nova/virt/xenapi/vm_utils.py", line 1100, in generate_ephemeral
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     safe_destroy_vdis(session, vdi_refs)
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     self.force_reraise()
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise

...

Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     dev, partition_start, partition_end)
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/usr/local/lib/python2.7/dist-packages/os_xenapi/client/session.py", line 218, in call_plugin_serialized
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     rv = self.call_plugin(plugin, fn, params)
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/usr/local/lib/python2.7/dist-packages/os_xenapi/client/session.py", line 214, in call_plugin
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     self.host_ref, plugin, fn, args)
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/usr/local/lib/python2.7/dist-packages/os_xenapi/client/session.py", line 293, in _unwrap_plugin_exceptions
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     return func(*args, **kwargs)
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/usr/local/lib/python2.7/dist-packages/os_xenapi/client/XenAPI.py", line 239, in __call__
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     return self.__send(self.__name, args)
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/usr/local/lib/python2.7/dist-packages/os_xenapi/client/XenAPI.py", line 130, in xenapi_request
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     result = _parse_result(getattr(self, methodname)(*full_params))
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/usr/local/lib/python2.7/dist-packages/os_xenapi/client/XenAPI.py", line 212, in _parse_result
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     raise Failure(result['ErrorDescription'])
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8] Failure: ['XENAPI_PLUGIN_FAILURE', 'make_partition', 'SubprocessException', "'sfdisk -uS /dev/sm/backend/bb07655e-91cd-41cd-2c76-cc70e7a13eea/dab0b825-538e-4b93-a4e1-c6f4dfd1cbc3' returned non-zero exit code: retcode=1, out='\nDisk /dev/sm/backend/bb07655e-91cd-41cd-2c76-cc70e7a13eea/dab0b825-538e-4b93-a4e1-c6f4dfd1cbc3: 130 cylinders, 255 heads, 63 sectors/track\nOld situation:\nNew situation:\nUnits: sectors of 512 bytes, counting from 0\n\n   Device Boot    Start       End   #sectors  Id  System\n/dev/sm/backend/bb07655e-91cd-41cd-2c76-cc70e7a13eea/dab0b825-538e-4b93-a4e1-c6f4dfd1cbc3p1          2048   2097151    2095104  83  Linux\n/dev/sm/backend/bb07655e-91cd-41cd-2c76-cc70e7a13eea/dab0b825-538e-4b93-a4e1-c6f4dfd1cbc3p2             0         -          0   0  Empty\n/dev/sm/backend/bb07655e-91cd-41cd-2c76-cc70e7a13eea/dab0b825-538e-4b93-a4e1-c6f4dfd1cbc3p3             0         -          0   0  Empty\n/dev/sm/backend/bb07655e-91cd-41cd-2c76-cc70e7a13eea/dab0b825-538e-4b93-a4e1-c6f4dfd1cbc3p4             0         -          0   0  Empty\n', stderr='Checking that no-one is using this disk right now ...\nBLKRRPART: Invalid argument\nOK\nsfdisk:  /dev/sm/backend/bb07655e-91cd-41cd-2c76-cc70e7a13eea/dab0b825-538e-4b93-a4e1-c6f4dfd1cbc3: unrecognized partition table type\n\nsfdisk: No partitions found\n\nsfdisk: Warning: The partition table looks like it was made\n  for C/H/S=*/139/8 (instead of 130/255/63).\nFor this listing I'll assume that geometry.\n\nsfdisk: \t\tstart: (c,h,s) expected (1,117,1) found (0,32,33)\n\nsfdisk: \t\tend: (c,h,s) expected (1023,138,8) found (130,138,8)\n\nWarning: partition 1 does not end at a cylinder boundary\nWarning: no primary partition is marked bootable (active)\nThis does not matter for LILO, but the DOS MBR will not boot this disk.\nend of partition 1 has impossible value for cylinders: 130 (should be in 0-129)\nsfdisk: I don't like these partitions - nothing changed.\n(If you really
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: want this, use the --force option.)\n'"]
Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]

** Affects: nova
     Importance: Undecided
         Status: New

** Summary changed:

- XenAPI:  Failed to create ephemeral disk for VMs on XenServer 7.0
+ XenAPI:  Failed to create ephemeral disk for VMs on XenServer 7.0/7.1

-- 
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https://bugs.launchpad.net/bugs/1701153

Title:
  XenAPI:  Failed to create ephemeral disk for VMs on XenServer 7.0/7.1

Status in OpenStack Compute (nova):
  New

Bug description:
  1. setup devstack on XenServer 7.0;
  2. create flavor with a ephemeral disk
   nova flavor-create --ephemeral 1 test-ephemeral 81 1 1 1
  3. Boot VM with the above flavor:
  nova boot --image cirros-0.3.5-x86_64-disk --nic net-id=60f82bcc-dfed-4825-8832-4a9331e2df2c --flavor 81 --admin-pass admin --config-drive true testVM2
  4. the VM booting will failed with the following traceback:

  
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: sible value for cylinders: 130 (should be in 0-129)\nsfdisk: I don't like these partitions - nothing changed.\n(If you really want this, use the --force option.)\n'"]
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8] Traceback (most recent call last):
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/opt/stack/nova/nova/compute/manager.py", line 2144, in _build_resources
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     yield resources
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/opt/stack/nova/nova/compute/manager.py", line 1959, in _build_and_run_instance
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     block_device_info=block_device_info)
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/opt/stack/nova/nova/virt/xenapi/driver.py", line 174, in spawn
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     admin_password, network_info, block_device_info)
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/opt/stack/nova/nova/virt/xenapi/vmops.py", line 436, in spawn
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     network_info, block_device_info, name_label, rescue)
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/opt/stack/nova/nova/virt/xenapi/vmops.py", line 619, in _spawn
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     undo_mgr.rollback_and_reraise(msg=msg, instance=instance)
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/opt/stack/nova/nova/utils.py", line 813, in rollback_and_reraise
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     self._rollback()
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     self.force_reraise()
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     six.reraise(self.type_, self.value, self.tb)
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/opt/stack/nova/nova/virt/xenapi/vmops.py", line 584, in _spawn
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     attach_devices_step(undo_mgr, vm_ref, vdis, disk_image_type)
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/opt/stack/nova/nova/virt/xenapi/vmops.py", line 130, in inner
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     rv = f(*args, **kwargs)
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/opt/stack/nova/nova/virt/xenapi/vmops.py", line 517, in attach_devices_step
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     attach_disks(undo_mgr, vm_ref, vdis, disk_image_type)
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/opt/stack/nova/nova/virt/xenapi/vmops.py", line 464, in attach_disks
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     admin_password, injected_files)
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/opt/stack/nova/nova/virt/xenapi/vmops.py", line 808, in _attach_disks
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     ephemeral_gb)
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/opt/stack/nova/nova/virt/xenapi/vm_utils.py", line 1100, in generate_ephemeral
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     safe_destroy_vdis(session, vdi_refs)
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     self.force_reraise()
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise

  ...

  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     dev, partition_start, partition_end)
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/usr/local/lib/python2.7/dist-packages/os_xenapi/client/session.py", line 218, in call_plugin_serialized
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     rv = self.call_plugin(plugin, fn, params)
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/usr/local/lib/python2.7/dist-packages/os_xenapi/client/session.py", line 214, in call_plugin
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     self.host_ref, plugin, fn, args)
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/usr/local/lib/python2.7/dist-packages/os_xenapi/client/session.py", line 293, in _unwrap_plugin_exceptions
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     return func(*args, **kwargs)
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/usr/local/lib/python2.7/dist-packages/os_xenapi/client/XenAPI.py", line 239, in __call__
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     return self.__send(self.__name, args)
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/usr/local/lib/python2.7/dist-packages/os_xenapi/client/XenAPI.py", line 130, in xenapi_request
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     result = _parse_result(getattr(self, methodname)(*full_params))
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]   File "/usr/local/lib/python2.7/dist-packages/os_xenapi/client/XenAPI.py", line 212, in _parse_result
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]     raise Failure(result['ErrorDescription'])
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8] Failure: ['XENAPI_PLUGIN_FAILURE', 'make_partition', 'SubprocessException', "'sfdisk -uS /dev/sm/backend/bb07655e-91cd-41cd-2c76-cc70e7a13eea/dab0b825-538e-4b93-a4e1-c6f4dfd1cbc3' returned non-zero exit code: retcode=1, out='\nDisk /dev/sm/backend/bb07655e-91cd-41cd-2c76-cc70e7a13eea/dab0b825-538e-4b93-a4e1-c6f4dfd1cbc3: 130 cylinders, 255 heads, 63 sectors/track\nOld situation:\nNew situation:\nUnits: sectors of 512 bytes, counting from 0\n\n   Device Boot    Start       End   #sectors  Id  System\n/dev/sm/backend/bb07655e-91cd-41cd-2c76-cc70e7a13eea/dab0b825-538e-4b93-a4e1-c6f4dfd1cbc3p1          2048   2097151    2095104  83  Linux\n/dev/sm/backend/bb07655e-91cd-41cd-2c76-cc70e7a13eea/dab0b825-538e-4b93-a4e1-c6f4dfd1cbc3p2             0         -          0   0  Empty\n/dev/sm/backend/bb07655e-91cd-41cd-2c76-cc70e7a13eea/dab0b825-538e-4b93-a4e1-c6f4dfd1cbc3p3             0         -          0   0  Empty\n/dev/sm/backend/bb07655e-91cd-41cd-2c76-cc70e7a13eea/dab0b825-538e-4b93-a4e1-c6f4dfd1cbc3p4             0         -          0   0  Empty\n', stderr='Checking that no-one is using this disk right now ...\nBLKRRPART: Invalid argument\nOK\nsfdisk:  /dev/sm/backend/bb07655e-91cd-41cd-2c76-cc70e7a13eea/dab0b825-538e-4b93-a4e1-c6f4dfd1cbc3: unrecognized partition table type\n\nsfdisk: No partitions found\n\nsfdisk: Warning: The partition table looks like it was made\n  for C/H/S=*/139/8 (instead of 130/255/63).\nFor this listing I'll assume that geometry.\n\nsfdisk: \t\tstart: (c,h,s) expected (1,117,1) found (0,32,33)\n\nsfdisk: \t\tend: (c,h,s) expected (1023,138,8) found (130,138,8)\n\nWarning: partition 1 does not end at a cylinder boundary\nWarning: no primary partition is marked bootable (active)\nThis does not matter for LILO, but the DOS MBR will not boot this disk.\nend of partition 1 has impossible value for cylinders: 130 (should be in 0-129)\nsfdisk: I don't like these partitions - nothing changed.\n(If you really
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: want this, use the --force option.)\n'"]
  Jun 29 02:42:09 DevStackOSDomU nova-compute[31288]: ERROR nova.compute.manager [instance: 37056ac0-764e-4001-be74-2989dc735cb8]

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