<div dir="auto">Hello, I increased cinder and nova rpc resoonse time out and now it works better.<div dir="auto">I am going to test it again and if the error come back, I 'll send the log file as you suggested.</div><div dir="auto">Thanks</div><div dir="auto">Ignazio</div><div dir="auto"><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Il Lun 20 Gen 2020, 16:41 Lee Yarwood <<a href="mailto:lyarwood@redhat.com">lyarwood@redhat.com</a>> ha scritto:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On 17-01-20 19:30:13, Ignazio Cassano wrote:<br>
> Hello all we are testing openstack queens cinder driver for Unity iscsi<br>
> (driver cinder.volume.drivers.dell_emc.unity.Driver).<br>
> <br>
> The unity storage is a Unity600 Version 4.5.10.5.001<br>
> <br>
> We are facing an issue when we try to detach volume from a virtual machine<br>
> with two or more volumes attached (this happens often but not always):<br>
<br>
Could you write this up as an os-brick bug and attach the nova-compute<br>
log in DEBUG showing the initial volume attachments prior to this detach<br>
error?<br>
<br>
<a href="https://bugs.launchpad.net/os-brick/+filebug" rel="noreferrer noreferrer" target="_blank">https://bugs.launchpad.net/os-brick/+filebug</a><br>
<br>
> The following is reported nova-compute.log:<br>
> <br>
> 2020-01-17 16:05:11.132 6643 ERROR oslo_messaging.rpc.server<br>
> self.connector.disconnect_volume(connection_info['data'], None)<br>
> 2020-01-17 16:05:11.132 6643 ERROR oslo_messaging.rpc.server File<br>
> "/usr/lib/python2.7/site-packages/os_brick/utils.py", line 137, in<br>
> trace_logging_wrapper<br>
> 2020-01-17 16:05:11.132 6643 ERROR oslo_messaging.rpc.server return<br>
> f(*args, **kwargs)<br>
> 2020-01-17 16:05:11.132 6643 ERROR oslo_messaging.rpc.server File<br>
> "/usr/lib/python2.7/site-packages/oslo_concurrency/lockutils.py", line 274,<br>
> in inner<br>
> 2020-01-17 16:05:11.132 6643 ERROR oslo_messaging.rpc.server return<br>
> f(*args, **kwargs)<br>
> 2020-01-17 16:05:11.132 6643 ERROR oslo_messaging.rpc.server File<br>
> "/usr/lib/python2.7/site-packages/os_brick/initiator/connectors/iscsi.py",<br>
> line 848, in disconnect_volume<br>
> 2020-01-17 16:05:11.132 6643 ERROR oslo_messaging.rpc.server<br>
> device_info=device_info)<br>
> 2020-01-17 16:05:11.132 6643 ERROR oslo_messaging.rpc.server File<br>
> "/usr/lib/python2.7/site-packages/os_brick/initiator/connectors/iscsi.py",<br>
> line 892, in _cleanup_connection<br>
> 2020-01-17 16:05:11.132 6643 ERROR oslo_messaging.rpc.server path_used,<br>
> was_multipath)<br>
> 2020-01-17 16:05:11.132 6643 ERROR oslo_messaging.rpc.server File<br>
> "/usr/lib/python2.7/site-packages/os_brick/initiator/linuxscsi.py", line<br>
> 271, in remove_connection<br>
> 2020-01-17 16:05:11.132 6643 ERROR oslo_messaging.rpc.server<br>
> self.flush_multipath_device(multipath_name)<br>
> 2020-01-17 16:05:11.132 6643 ERROR oslo_messaging.rpc.server File<br>
> "/usr/lib/python2.7/site-packages/os_brick/initiator/linuxscsi.py", line<br>
> 329, in flush_multipath_device<br>
> 2020-01-17 16:05:11.132 6643 ERROR oslo_messaging.rpc.server<br>
> root_helper=self._root_helper)<br>
> 2020-01-17 16:05:11.132 6643 ERROR oslo_messaging.rpc.server File<br>
> "/usr/lib/python2.7/site-packages/os_brick/executor.py", line 52, in<br>
> _execute<br>
> 2020-01-17 16:05:11.132 6643 ERROR oslo_messaging.rpc.server result =<br>
> self.__execute(*args, **kwargs)<br>
> 2020-01-17 16:05:11.132 6643 ERROR oslo_messaging.rpc.server File<br>
> "/usr/lib/python2.7/site-packages/os_brick/privileged/rootwrap.py", line<br>
> 169, in execute<br>
> 2020-01-17 16:05:11.132 6643 ERROR oslo_messaging.rpc.server return<br>
> execute_root(*cmd, **kwargs)<br>
> 2020-01-17 16:05:11.132 6643 ERROR oslo_messaging.rpc.server File<br>
> "/usr/lib/python2.7/site-packages/oslo_privsep/priv_context.py", line 207,<br>
> in _wrap<br>
> 2020-01-17 16:05:11.132 6643 ERROR oslo_messaging.rpc.server return<br>
> self.channel.remote_call(name, args, kwargs)<br>
> 2020-01-17 16:05:11.132 6643 ERROR oslo_messaging.rpc.server File<br>
> "/usr/lib/python2.7/site-packages/oslo_privsep/daemon.py", line 202, in<br>
> remote_call<br>
> 2020-01-17 16:05:11.132 6643 ERROR oslo_messaging.rpc.server raise<br>
> exc_type(*result[2])<br>
> 2020-01-17 16:05:11.132 6643 ERROR oslo_messaging.rpc.server<br>
> ProcessExecutionError: Unexpected error while running command.<br>
> 2020-01-17 16:05:11.132 6643 ERROR oslo_messaging.rpc.server Command:<br>
> multipath -f 36006016006e04400d0c4215e3ec55757<br>
> 2020-01-17 16:05:11.132 6643 ERROR oslo_messaging.rpc.server Exit code: 1<br>
> 2020-01-17 16:05:11.132 6643 ERROR oslo_messaging.rpc.server Stdout: u'Jan<br>
> 17 16:04:30 | 36006016006e04400d0c4215e3ec55757p1: map in use\nJan 17<br>
> 16:04:31 | failed to remove multipath map<br>
> 36006016006e04400d0c4215e3ec55757\n'<br>
> 2020-01-17 16:05:11.132 6643 ERROR oslo_messaging.rpc.server Stderr: u''<br>
> 2020-01-17 16:05:11.132 6643 ERROR oslo_messaging.rpc.server<br>
> <br>
> <br>
> Best Regards<br>
> <br>
> Ignazio<br>
<br>
-- <br>
Lee Yarwood A5D1 9385 88CB 7E5F BE64 6618 BCA6 6E33 F672 2D76<br>
</blockquote></div>