[Bug 1939390] Re: Missing dependency: lsscsi

Gabriel Samfira 1939390 at bugs.launchpad.net
Mon Feb 21 14:37:47 UTC 2022 

** Description changed:

  When resizing a volume, cinder will notify nova that a volume has
  changed its size. For iSCSI attached volumes (ie: Dell Unity), the
  package lsscsi is required for that to work. Without it, you get this
  error:
  
  2021-08-10 09:44:02.400 1816368 INFO os_brick.initiator.connectors.iscsi [req-98b38968-a179-4a3c-bf09-dfe5dcee9b66 aa291ad6c5b4430d9a5e268850c5aed8 ff58079dba31444da859ff6f91a2f983 - 83859026773d453ca315c30285f94efa 83859026773d453ca315c30285f94efa] Found paths for volume ['/dev/disk/by-path/ip-10.123.110.4:3260-iscsi-iqn.1992-04.com.emc:cx.ckm01211605212.a4-lun-86', '/dev/disk/by-path/ip-10.123.120.4:3260-iscsi-iqn.1992-04.com.emc:cx.ckm01211605212.b4-lun-86', '/dev/disk/by-path/ip-10.123.120.5:3260-iscsi-iqn.1992-04.com.emc:cx.ckm01211605212.b5-lun-86', '/dev/disk/by-path/ip-10.123.110.5:3260-iscsi-iqn.1992-04.com.emc:cx.ckm01211605212.a5-lun-86']
  2021-08-10 09:44:02.424 1816368 WARNING nova.compute.manager [req-98b38968-a179-4a3c-bf09-dfe5dcee9b66 aa291ad6c5b4430d9a5e268850c5aed8 ff58079dba31444da859ff6f91a2f983 - 83859026773d453ca315c30285f94efa 83859026773d453ca315c30285f94efa] [instance: 6cf7a8c6-255f-4b69-812a-39dc0fa279b6] Extend volume failed, volume_id=ac43884b-916c-44b9-be46-393325ad64cc, reason: [Errno 2] No such file or directory: 'lsscsi'
  Command: lsscsi
  Exit code: -
  Stdout: None
  Stderr: None: oslo_concurrency.processutils.ProcessExecutionError: [Errno 2] No such file or directory: 'lsscsi'
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server [req-98b38968-a179-4a3c-bf09-dfe5dcee9b66 aa291ad6c5b4430d9a5e268850c5aed8 ff58079dba31444da859ff6f91a2f983 - 83859026773d453ca315c30285f94efa 83859026773d453ca315c30285f94efa] Exception during message handling: oslo_concurrency.processutils.ProcessExecutionError: [Errno 2] No such file or directory: 'lsscsi'
  Command: lsscsi
  Exit code: -
  Stdout: None
  Stderr: None
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server Traceback (most recent call last):
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/os_brick/privileged/rootwrap.py", line 171, in execute
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     return custom_execute(*cmd, **kwargs)
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/os_brick/privileged/rootwrap.py", line 142, in custom_execute
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     return putils.execute(on_execute=on_execute,
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/oslo_concurrency/processutils.py", line 388, in execute
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     obj = subprocess.Popen(cmd,
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/eventlet/green/subprocess.py", line 58, in __init__
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     subprocess_orig.Popen.__init__(self, args, 0, *argss, **kwds)
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3.8/subprocess.py", line 858, in __init__
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     self._execute_child(args, executable, preexec_fn, close_fds,
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3.8/subprocess.py", line 1704, in _execute_child
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     raise child_exception_type(errno_num, err_msg, err_filename)
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server FileNotFoundError: [Errno 2] No such file or directory: 'lsscsi'
- 2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server 
+ 2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server During handling of the above exception, another exception occurred:
- 2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server 
+ 2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server Traceback (most recent call last):
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/oslo_messaging/rpc/server.py", line 165, in _process_incoming
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     res = self.dispatcher.dispatch(message)
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/oslo_messaging/rpc/dispatcher.py", line 309, in dispatch
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     return self._do_dispatch(endpoint, method, ctxt, args)
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/oslo_messaging/rpc/dispatcher.py", line 229, in _do_dispatch
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     result = func(ctxt, **new_args)
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/nova/exception_wrapper.py", line 76, in wrapped
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     _emit_exception_notification(
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     self.force_reraise()
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     six.reraise(self.type_, self.value, self.tb)
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/six.py", line 703, in reraise
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     raise value
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/nova/exception_wrapper.py", line 69, in wrapped
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     return f(self, context, *args, **kw)
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/nova/compute/manager.py", line 10405, in external_instance_event
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     self.extend_volume(context, instance, event.tag)
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/nova/compute/utils.py", line 1434, in decorated_function
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     return function(self, context, *args, **kwargs)
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/nova/compute/manager.py", line 216, in decorated_function
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     compute_utils.add_instance_fault_from_exc(context,
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     self.force_reraise()
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     six.reraise(self.type_, self.value, self.tb)
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/six.py", line 703, in reraise
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     raise value
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/nova/compute/manager.py", line 205, in decorated_function
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     return function(self, context, *args, **kwargs)
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/nova/compute/manager.py", line 10262, in extend_volume
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     self.driver.extend_volume(context, connection_info, instance,
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/nova/virt/libvirt/driver.py", line 2199, in extend_volume
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     new_size = self._extend_volume(connection_info, instance,
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/nova/virt/libvirt/driver.py", line 1743, in _extend_volume
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     return vol_driver.extend_volume(connection_info, instance,
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/nova/virt/libvirt/volume/iscsi.py", line 86, in extend_volume
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     new_size = self.connector.extend_volume(connection_info['data'])
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/os_brick/utils.py", line 144, in trace_logging_wrapper
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     return f(*args, **kwargs)
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/oslo_concurrency/lockutils.py", line 360, in inner
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     return f(*args, **kwargs)
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/os_brick/initiator/connectors/iscsi.py", line 477, in extend_volume
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     return self._linuxscsi.extend_volume(
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/os_brick/initiator/linuxscsi.py", line 581, in extend_volume
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     device = self.get_device_info(volume_path)
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/os_brick/initiator/linuxscsi.py", line 114, in get_device_info
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     (out, _err) = self._execute('lsscsi')
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/os_brick/executor.py", line 52, in _execute
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     result = self.__execute(*args, **kwargs)
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/os_brick/privileged/rootwrap.py", line 186, in execute
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     raise putils.ProcessExecutionError(
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server oslo_concurrency.processutils.ProcessExecutionError: [Errno 2] No such file or directory: 'lsscsi'
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server Command: lsscsi
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server Exit code: -
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server Stdout: None
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server Stderr: None
- 2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server 
- 
+ 2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server
  
  Running:
  
  sudo apt install lsscsi
  
  on the compute node fixes this issue.
+ 
+ Steps to reproduce:
+ 
+ openstack volume create --type my-iscsi-volume-type --size 10 test-resize
+ openstack server add volume fed31 test-volume
+ openstack volume set --size 20 test-resize
+ 
+ Check the logs on the compute node where the instance is running. There
+ should be an entry similar to the above snippet.
+ 
+ Check volume size on instance using parted or fdisk. It should be the
+ same size as before.

-- 
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https://bugs.launchpad.net/bugs/1939390

Title:
  Missing dependency: lsscsi

Status in OpenStack Nova Compute Charm:
  In Progress
Status in python-os-brick package in Ubuntu:
  Confirmed

Bug description:
  When resizing a volume, cinder will notify nova that a volume has
  changed its size. For iSCSI attached volumes (ie: Dell Unity), the
  package lsscsi is required for that to work. Without it, you get this
  error:

  2021-08-10 09:44:02.400 1816368 INFO os_brick.initiator.connectors.iscsi [req-98b38968-a179-4a3c-bf09-dfe5dcee9b66 aa291ad6c5b4430d9a5e268850c5aed8 ff58079dba31444da859ff6f91a2f983 - 83859026773d453ca315c30285f94efa 83859026773d453ca315c30285f94efa] Found paths for volume ['/dev/disk/by-path/ip-10.123.110.4:3260-iscsi-iqn.1992-04.com.emc:cx.ckm01211605212.a4-lun-86', '/dev/disk/by-path/ip-10.123.120.4:3260-iscsi-iqn.1992-04.com.emc:cx.ckm01211605212.b4-lun-86', '/dev/disk/by-path/ip-10.123.120.5:3260-iscsi-iqn.1992-04.com.emc:cx.ckm01211605212.b5-lun-86', '/dev/disk/by-path/ip-10.123.110.5:3260-iscsi-iqn.1992-04.com.emc:cx.ckm01211605212.a5-lun-86']
  2021-08-10 09:44:02.424 1816368 WARNING nova.compute.manager [req-98b38968-a179-4a3c-bf09-dfe5dcee9b66 aa291ad6c5b4430d9a5e268850c5aed8 ff58079dba31444da859ff6f91a2f983 - 83859026773d453ca315c30285f94efa 83859026773d453ca315c30285f94efa] [instance: 6cf7a8c6-255f-4b69-812a-39dc0fa279b6] Extend volume failed, volume_id=ac43884b-916c-44b9-be46-393325ad64cc, reason: [Errno 2] No such file or directory: 'lsscsi'
  Command: lsscsi
  Exit code: -
  Stdout: None
  Stderr: None: oslo_concurrency.processutils.ProcessExecutionError: [Errno 2] No such file or directory: 'lsscsi'
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server [req-98b38968-a179-4a3c-bf09-dfe5dcee9b66 aa291ad6c5b4430d9a5e268850c5aed8 ff58079dba31444da859ff6f91a2f983 - 83859026773d453ca315c30285f94efa 83859026773d453ca315c30285f94efa] Exception during message handling: oslo_concurrency.processutils.ProcessExecutionError: [Errno 2] No such file or directory: 'lsscsi'
  Command: lsscsi
  Exit code: -
  Stdout: None
  Stderr: None
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server Traceback (most recent call last):
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/os_brick/privileged/rootwrap.py", line 171, in execute
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     return custom_execute(*cmd, **kwargs)
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/os_brick/privileged/rootwrap.py", line 142, in custom_execute
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     return putils.execute(on_execute=on_execute,
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/oslo_concurrency/processutils.py", line 388, in execute
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     obj = subprocess.Popen(cmd,
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/eventlet/green/subprocess.py", line 58, in __init__
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     subprocess_orig.Popen.__init__(self, args, 0, *argss, **kwds)
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3.8/subprocess.py", line 858, in __init__
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     self._execute_child(args, executable, preexec_fn, close_fds,
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3.8/subprocess.py", line 1704, in _execute_child
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     raise child_exception_type(errno_num, err_msg, err_filename)
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server FileNotFoundError: [Errno 2] No such file or directory: 'lsscsi'
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server During handling of the above exception, another exception occurred:
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server Traceback (most recent call last):
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/oslo_messaging/rpc/server.py", line 165, in _process_incoming
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     res = self.dispatcher.dispatch(message)
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/oslo_messaging/rpc/dispatcher.py", line 309, in dispatch
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     return self._do_dispatch(endpoint, method, ctxt, args)
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/oslo_messaging/rpc/dispatcher.py", line 229, in _do_dispatch
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     result = func(ctxt, **new_args)
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/nova/exception_wrapper.py", line 76, in wrapped
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     _emit_exception_notification(
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     self.force_reraise()
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     six.reraise(self.type_, self.value, self.tb)
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/six.py", line 703, in reraise
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     raise value
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/nova/exception_wrapper.py", line 69, in wrapped
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     return f(self, context, *args, **kw)
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/nova/compute/manager.py", line 10405, in external_instance_event
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     self.extend_volume(context, instance, event.tag)
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/nova/compute/utils.py", line 1434, in decorated_function
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     return function(self, context, *args, **kwargs)
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/nova/compute/manager.py", line 216, in decorated_function
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     compute_utils.add_instance_fault_from_exc(context,
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     self.force_reraise()
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     six.reraise(self.type_, self.value, self.tb)
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/six.py", line 703, in reraise
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     raise value
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/nova/compute/manager.py", line 205, in decorated_function
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     return function(self, context, *args, **kwargs)
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/nova/compute/manager.py", line 10262, in extend_volume
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     self.driver.extend_volume(context, connection_info, instance,
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/nova/virt/libvirt/driver.py", line 2199, in extend_volume
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     new_size = self._extend_volume(connection_info, instance,
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/nova/virt/libvirt/driver.py", line 1743, in _extend_volume
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     return vol_driver.extend_volume(connection_info, instance,
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/nova/virt/libvirt/volume/iscsi.py", line 86, in extend_volume
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     new_size = self.connector.extend_volume(connection_info['data'])
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/os_brick/utils.py", line 144, in trace_logging_wrapper
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     return f(*args, **kwargs)
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/oslo_concurrency/lockutils.py", line 360, in inner
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     return f(*args, **kwargs)
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/os_brick/initiator/connectors/iscsi.py", line 477, in extend_volume
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     return self._linuxscsi.extend_volume(
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/os_brick/initiator/linuxscsi.py", line 581, in extend_volume
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     device = self.get_device_info(volume_path)
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/os_brick/initiator/linuxscsi.py", line 114, in get_device_info
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     (out, _err) = self._execute('lsscsi')
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/os_brick/executor.py", line 52, in _execute
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     result = self.__execute(*args, **kwargs)
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/os_brick/privileged/rootwrap.py", line 186, in execute
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server     raise putils.ProcessExecutionError(
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server oslo_concurrency.processutils.ProcessExecutionError: [Errno 2] No such file or directory: 'lsscsi'
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server Command: lsscsi
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server Exit code: -
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server Stdout: None
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server Stderr: None
  2021-08-10 09:44:02.497 1816368 ERROR oslo_messaging.rpc.server

  Running:

  sudo apt install lsscsi

  on the compute node fixes this issue.

  Steps to reproduce:

  openstack volume create --type my-iscsi-volume-type --size 10 test-resize
  openstack server add volume fed31 test-volume
  openstack volume set --size 20 test-resize

  Check the logs on the compute node where the instance is running.
  There should be an entry similar to the above snippet.

  Check volume size on instance using parted or fdisk. It should be the
  same size as before.

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