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<p class="MsoPlainText">Thanks Gorka for your response. The main reason is “AUTO: Connection to libvirt lost: 1”.<o:p></o:p></p>
<p class="MsoPlainText">Not sure, why the connection is being lost. I tried restarting all the nova services too, but no luck.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Regards,<o:p></o:p></p>
<p class="MsoPlainText">Sneha Rai<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">-----Original Message-----<br>
From: Gorka Eguileor [mailto:geguileo@redhat.com] <br>
Sent: Monday, May 13, 2019 2:21 PM<br>
To: RAI, SNEHA <sneha.rai@hpe.com><br>
Cc: openstack-dev@lists.openstack.org<br>
Subject: Re: Help needed to Support Multi-attach feature</p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">On 10/05, RAI, SNEHA wrote:<o:p></o:p></p>
<p class="MsoPlainText">> Thanks Gorka for your response.<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> I have changed the version of libvirt and qemu on my host and I am able to move past the previous error mentioned in my last email.<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> Current versions of libvirt and qemu:<o:p></o:p></p>
<p class="MsoPlainText">> root@CSSOSBE04-B09:/etc# libvirtd --version libvirtd (libvirt) 1.3.1
<o:p></o:p></p>
<p class="MsoPlainText">> root@CSSOSBE04-B09:/etc# kvm --version QEMU emulator version 2.5.0
<o:p></o:p></p>
<p class="MsoPlainText">> (Debian 1:2.5+dfsg-5ubuntu10.36), Copyright (c) 2003-2008 Fabrice
<o:p></o:p></p>
<p class="MsoPlainText">> Bellard<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> Also, I made a change in /etc/nova/nova.conf and set virt_type=qemu. Earlier it was set to kvm.<o:p></o:p></p>
<p class="MsoPlainText">> I restarted all nova services post the changes but I can see one nova service was disabled and state was down.<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> root@CSSOSBE04-B09:/etc# nova service-list<o:p></o:p></p>
<p class="MsoPlainText">> +--------------------------------------+------------------+---------------+----------+----------+-------+----------------------------+-------------------------------------+-------------+<o:p></o:p></p>
<p class="MsoPlainText">> | Id | Binary | Host | Zone | Status | State | Updated_at | Disabled Reason | Forced down |<o:p></o:p></p>
<p class="MsoPlainText">> +--------------------------------------+------------------+---------------+----------+----------+-------+----------------------------+-------------------------------------+-------------+<o:p></o:p></p>
<p class="MsoPlainText">> | 1ebcd1f6-b7dc-40ce-8d7b-95d60503c0ff | nova-scheduler | CSSOSBE04-B09 | internal | enabled | up | 2019-05-10T05:48:59.000000 | - | False |<o:p></o:p></p>
<p class="MsoPlainText">> | ed82277c-d2e0-4a1a-adf6-9bcdcc50ba29 | nova-consoleauth | CSSOSBE04-B09 | internal | enabled | up | 2019-05-10T05:48:49.000000 | - | False |<o:p></o:p></p>
<p class="MsoPlainText">> | bc2b6703-7a1e-4f07-96b9-35cbb14398d5 | nova-conductor | CSSOSBE04-B09 | internal | enabled | up | 2019-05-10T05:48:59.000000 | - | False |<o:p></o:p></p>
<p class="MsoPlainText">> | 72ecbc1d-1b47-4f55-a18d-de2fbf1771e9 | nova-conductor | CSSOSBE04-B09 | internal | enabled | up | 2019-05-10T05:48:54.000000 | - | False |<o:p></o:p></p>
<p class="MsoPlainText">> | 9c700ee1-1694-479b-afc0-1fd37c1a5561 | nova-compute | CSSOSBE04-B09 | nova | disabled | down | 2019-05-07T22:11:06.000000 | AUTO: Connection to libvirt lost: 1 | False |<o:p></o:p></p>
<p class="MsoPlainText">> +--------------------------------------+------------------+---------------+----------+----------+-------+----------------------------+-------------------------------------+-------------+<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> So, I manually enabled the service, but the state was still down.<o:p></o:p></p>
<p class="MsoPlainText">> root@CSSOSBE04-B09:/etc# nova service-enable <o:p></o:p></p>
<p class="MsoPlainText">> 9c700ee1-1694-479b-afc0-1fd37c1a5561<o:p></o:p></p>
<p class="MsoPlainText">> +--------------------------------------+---------------+--------------+---------+<o:p></o:p></p>
<p class="MsoPlainText">> | ID | Host | Binary | Status |<o:p></o:p></p>
<p class="MsoPlainText">> +--------------------------------------+---------------+--------------+---------+<o:p></o:p></p>
<p class="MsoPlainText">> | 9c700ee1-1694-479b-afc0-1fd37c1a5561 | CSSOSBE04-B09 | nova-compute
<o:p></o:p></p>
<p class="MsoPlainText">> | | enabled |<o:p></o:p></p>
<p class="MsoPlainText">> +--------------------------------------+---------------+--------------+---------+<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> root@CSSOSBE04-B09:/etc# nova service-list<o:p></o:p></p>
<p class="MsoPlainText">> +--------------------------------------+------------------+---------------+----------+---------+-------+----------------------------+-----------------+-------------+<o:p></o:p></p>
<p class="MsoPlainText">> | Id | Binary | Host | Zone | Status | State | Updated_at | Disabled Reason | Forced down |<o:p></o:p></p>
<p class="MsoPlainText">> +--------------------------------------+------------------+---------------+----------+---------+-------+----------------------------+-----------------+-------------+<o:p></o:p></p>
<p class="MsoPlainText">> | 1ebcd1f6-b7dc-40ce-8d7b-95d60503c0ff | nova-scheduler | CSSOSBE04-B09 | internal | enabled | up | 2019-05-10T05:49:19.000000 | - | False |<o:p></o:p></p>
<p class="MsoPlainText">> | ed82277c-d2e0-4a1a-adf6-9bcdcc50ba29 | nova-consoleauth | CSSOSBE04-B09 | internal | enabled | up | 2019-05-10T05:49:19.000000 | - | False |<o:p></o:p></p>
<p class="MsoPlainText">> | bc2b6703-7a1e-4f07-96b9-35cbb14398d5 | nova-conductor | CSSOSBE04-B09 | internal | enabled | up | 2019-05-10T05:49:19.000000 | - | False |<o:p></o:p></p>
<p class="MsoPlainText">> | 72ecbc1d-1b47-4f55-a18d-de2fbf1771e9 | nova-conductor | CSSOSBE04-B09 | internal | enabled | up | 2019-05-10T05:49:14.000000 | - | False |<o:p></o:p></p>
<p class="MsoPlainText">> | 9c700ee1-1694-479b-afc0-1fd37c1a5561 | nova-compute | CSSOSBE04-B09 | nova | enabled | down | 2019-05-10T05:49:14.000000 | - | False |<o:p></o:p></p>
<p class="MsoPlainText">> +--------------------------------------+------------------+---------------+----------+---------+-------+----------------------------+-----------------+-------------+<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Hi,<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">If it appears as down it's probably because there is an issue during the service's start procedure.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">You can look in the logs to see what messages appeared during the start or tail the logs and restart the service to see what error appears there.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Cheers,<o:p></o:p></p>
<p class="MsoPlainText">Gorka.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">> So, now when I try to attach a volume to nova instance, I get the below error. As one of the service is down it fails in filter validation for nova-compute and gives us "No host" error.<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> May 10 10:43:00 CSSOSBE04-B09 nova-scheduler[21775]: #033[00;32mDEBUG
<o:p></o:p></p>
<p class="MsoPlainText">> nova.filters [#033[01;36mNone req-b0ca81b3-a2b6-492e-9036-249644b94349
<o:p></o:p></p>
<p class="MsoPlainText">> #033[00;36mdemo admin#033[00;32m] #033[01;35m#033[00;32mFilter
<o:p></o:p></p>
<p class="MsoPlainText">> RetryFilter returned 1 host(s)#033[00m #033[00;33m{{(pid=21775)
<o:p></o:p></p>
<p class="MsoPlainText">> get_filtered_objects /opt/stack/nova/nova/filters.py:104}}#033[00m<o:p></o:p></p>
<p class="MsoPlainText">> May 10 10:43:00 CSSOSBE04-B09 nova-scheduler[21775]: #033[00;32mDEBUG
<o:p></o:p></p>
<p class="MsoPlainText">> nova.filters [#033[01;36mNone req-b0ca81b3-a2b6-492e-9036-249644b94349
<o:p></o:p></p>
<p class="MsoPlainText">> #033[00;36mdemo admin#033[00;32m] #033[01;35m#033[00;32mFilter
<o:p></o:p></p>
<p class="MsoPlainText">> AvailabilityZoneFilter returned 1 host(s)#033[00m <o:p>
</o:p></p>
<p class="MsoPlainText">> #033[00;33m{{(pid=21775) get_filtered_objects <o:p></o:p></p>
<p class="MsoPlainText">> /opt/stack/nova/nova/filters.py:104}}#033[00m<o:p></o:p></p>
<p class="MsoPlainText">> May 10 10:43:00 CSSOSBE04-B09 nova-scheduler[21775]: #033[00;32mDEBUG
<o:p></o:p></p>
<p class="MsoPlainText">> nova.scheduler.filters.compute_filter [#033[01;36mNone <o:p>
</o:p></p>
<p class="MsoPlainText">> req-b0ca81b3-a2b6-492e-9036-249644b94349 #033[00;36mdemo
<o:p></o:p></p>
<p class="MsoPlainText">> admin#033[00;32m] #033[01;35m#033[00;32m(CSSOSBE04-B09, CSSOSBE04-B09)
<o:p></o:p></p>
<p class="MsoPlainText">> ram: 30810MB disk: 1737728MB io_ops: 0 instances: 1 is disabled,
<o:p></o:p></p>
<p class="MsoPlainText">> reason: AUTO: Connection to libvirt lost: 1#033[00m <o:p>
</o:p></p>
<p class="MsoPlainText">> #033[00;33m{{(pid=21775) host_passes <o:p></o:p></p>
<p class="MsoPlainText">> /opt/stack/nova/nova/scheduler/filters/compute_filter.py:42}}#033[00m<o:p></o:p></p>
<p class="MsoPlainText">> May 10 10:43:00 CSSOSBE04-B09 nova-scheduler[21775]: #033[00;36mINFO
<o:p></o:p></p>
<p class="MsoPlainText">> nova.filters [#033[01;36mNone req-b0ca81b3-a2b6-492e-9036-249644b94349
<o:p></o:p></p>
<p class="MsoPlainText">> #033[00;36mdemo admin#033[00;36m] #033[01;35m#033[00;36mFilter
<o:p></o:p></p>
<p class="MsoPlainText">> ComputeFilter returned 0 hosts#033[00m May 10 10:43:00 CSSOSBE04-B09
<o:p></o:p></p>
<p class="MsoPlainText">> nova-scheduler[21775]: #033[00;32mDEBUG nova.filters [#033[01;36mNone
<o:p></o:p></p>
<p class="MsoPlainText">> req-b0ca81b3-a2b6-492e-9036-249644b94349 #033[00;36mdemo
<o:p></o:p></p>
<p class="MsoPlainText">> admin#033[00;32m] #033[01;35m#033[00;32mFiltering removed all hosts
<o:p></o:p></p>
<p class="MsoPlainText">> for the request with instance ID <o:p></o:p></p>
<p class="MsoPlainText">> '1735ece5-d187-454a-aab1-12650646a2ec'. Filter results:
<o:p></o:p></p>
<p class="MsoPlainText">> [('RetryFilter', [(u'CSSOSBE04-B09', u'CSSOSBE04-B09')]),
<o:p></o:p></p>
<p class="MsoPlainText">> ('AvailabilityZoneFilter', [(u'CSSOSBE04-B09', u'CSSOSBE04-B09')]),
<o:p></o:p></p>
<p class="MsoPlainText">> ('ComputeFilter', None)]#033[00m #033[00;33m{{(pid=21775)
<o:p></o:p></p>
<p class="MsoPlainText">> get_filtered_objects /opt/stack/nova/nova/filters.py:129}}#033[00m<o:p></o:p></p>
<p class="MsoPlainText">> May 10 10:43:00 CSSOSBE04-B09 nova-scheduler[21775]: #033[00;36mINFO
<o:p></o:p></p>
<p class="MsoPlainText">> nova.filters [#033[01;36mNone req-b0ca81b3-a2b6-492e-9036-249644b94349
<o:p></o:p></p>
<p class="MsoPlainText">> #033[00;36mdemo admin#033[00;36m] #033[01;35m#033[00;36mFiltering
<o:p></o:p></p>
<p class="MsoPlainText">> removed all hosts for the request with instance ID <o:p>
</o:p></p>
<p class="MsoPlainText">> '1735ece5-d187-454a-aab1-12650646a2ec'. Filter results: ['RetryFilter:
<o:p></o:p></p>
<p class="MsoPlainText">> (start: 1, end: 1)', 'AvailabilityZoneFilter: (start: 1, end: 1)',
<o:p></o:p></p>
<p class="MsoPlainText">> 'ComputeFilter: (start: 1, end: 0)']#033[00m May 10 10:43:00
<o:p></o:p></p>
<p class="MsoPlainText">> CSSOSBE04-B09 nova-scheduler[21775]: #033[00;32mDEBUG <o:p>
</o:p></p>
<p class="MsoPlainText">> nova.scheduler.filter_scheduler [#033[01;36mNone <o:p></o:p></p>
<p class="MsoPlainText">> req-b0ca81b3-a2b6-492e-9036-249644b94349 #033[00;36mdemo
<o:p></o:p></p>
<p class="MsoPlainText">> admin#033[00;32m] #033[01;35m#033[00;32mFiltered []#033[00m
<o:p></o:p></p>
<p class="MsoPlainText">> #033[00;33m{{(pid=21775) _get_sorted_hosts <o:p></o:p></p>
<p class="MsoPlainText">> /opt/stack/nova/nova/scheduler/filter_scheduler.py:404}}#033[00m<o:p></o:p></p>
<p class="MsoPlainText">> May 10 10:43:00 CSSOSBE04-B09 nova-scheduler[21775]: #033[00;32mDEBUG
<o:p></o:p></p>
<p class="MsoPlainText">> nova.scheduler.filter_scheduler [#033[01;36mNone <o:p></o:p></p>
<p class="MsoPlainText">> req-b0ca81b3-a2b6-492e-9036-249644b94349 #033[00;36mdemo
<o:p></o:p></p>
<p class="MsoPlainText">> admin#033[00;32m] #033[01;35m#033[00;32mThere are 0 hosts available
<o:p></o:p></p>
<p class="MsoPlainText">> but 1 instances requested to build.#033[00m #033[00;33m{{(pid=21775)
<o:p></o:p></p>
<p class="MsoPlainText">> _ensure_sufficient_hosts <o:p></o:p></p>
<p class="MsoPlainText">> /opt/stack/nova/nova/scheduler/filter_scheduler.py:279}}#033[00m<o:p></o:p></p>
<p class="MsoPlainText">> May 10 10:43:00 CSSOSBE04-B09 nova-conductor[21789]: #033[01;31mERROR nova.conductor.manager [#033[01;36mNone req-b0ca81b3-a2b6-492e-9036-249644b94349 #033[00;36mdemo admin#033[01;31m] #033[01;35m#033[01;31mFailed to schedule instances#033[00m:
NoValidHost_Remote: No valid host was found. There are not enough hosts available.<o:p></o:p></p>
<p class="MsoPlainText">> May 10 10:43:00 CSSOSBE04-B09 nova-conductor[21789]: Traceback (most recent call last):<o:p></o:p></p>
<p class="MsoPlainText">> May 10 10:43:00 CSSOSBE04-B09 nova-conductor[21789]: File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/server.py", line 226, in inner<o:p></o:p></p>
<p class="MsoPlainText">> May 10 10:43:00 CSSOSBE04-B09 nova-conductor[21789]: return func(*args, **kwargs)<o:p></o:p></p>
<p class="MsoPlainText">> May 10 10:43:00 CSSOSBE04-B09 nova-conductor[21789]: File "/opt/stack/nova/nova/scheduler/manager.py", line 154, in select_destinations<o:p></o:p></p>
<p class="MsoPlainText">> May 10 10:43:00 CSSOSBE04-B09 nova-conductor[21789]: allocation_request_version, return_alternates)<o:p></o:p></p>
<p class="MsoPlainText">> May 10 10:43:00 CSSOSBE04-B09 nova-conductor[21789]: File "/opt/stack/nova/nova/scheduler/filter_scheduler.py", line 91, in select_destinations<o:p></o:p></p>
<p class="MsoPlainText">> May 10 10:43:00 CSSOSBE04-B09 nova-conductor[21789]: allocation_request_version, return_alternates)<o:p></o:p></p>
<p class="MsoPlainText">> May 10 10:43:00 CSSOSBE04-B09 nova-conductor[21789]: File "/opt/stack/nova/nova/scheduler/filter_scheduler.py", line 244, in _schedule<o:p></o:p></p>
<p class="MsoPlainText">> May 10 10:43:00 CSSOSBE04-B09 nova-conductor[21789]: claimed_instance_uuids)<o:p></o:p></p>
<p class="MsoPlainText">> May 10 10:43:00 CSSOSBE04-B09 nova-conductor[21789]: File "/opt/stack/nova/nova/scheduler/filter_scheduler.py", line 281, in _ensure_sufficient_hosts<o:p></o:p></p>
<p class="MsoPlainText">> May 10 10:43:00 CSSOSBE04-B09 nova-conductor[21789]: raise exception.NoValidHost(reason=reason)<o:p></o:p></p>
<p class="MsoPlainText">> May 10 10:43:00 CSSOSBE04-B09 nova-conductor[21789]: NoValidHost: No valid host was found. There are not enough hosts available.<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> Need help in understanding on how to fix this error. For detailed logs, please refer the attached syslog.<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> Thanks & Regards,<o:p></o:p></p>
<p class="MsoPlainText">> Sneha Rai<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> -----Original Message-----<o:p></o:p></p>
<p class="MsoPlainText">> From: Gorka Eguileor [<a href="mailto:geguileo@redhat.com"><span style="color:windowtext;text-decoration:none">mailto:geguileo@redhat.com</span></a>]<o:p></o:p></p>
<p class="MsoPlainText">> Sent: Friday, May 10, 2019 2:56 PM<o:p></o:p></p>
<p class="MsoPlainText">> To: RAI, SNEHA <<a href="mailto:sneha.rai@hpe.com"><span style="color:windowtext;text-decoration:none">sneha.rai@hpe.com</span></a>><o:p></o:p></p>
<p class="MsoPlainText">> Cc: <a href="mailto:openstack-dev@lists.openstack.org">
<span style="color:windowtext;text-decoration:none">openstack-dev@lists.openstack.org</span></a><o:p></o:p></p>
<p class="MsoPlainText">> Subject: Re: Help needed to Support Multi-attach feature<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> On 02/05, RAI, SNEHA wrote:<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > Hi Team,<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> ><o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > I am currently working on multiattach feature for HPE 3PAR cinder driver.<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> ><o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > For this, while setting up devstack(on stable/queens) I made below<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > change in the local.conf [[local|localrc]]<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > ENABLE_VOLUME_MULTIATTACH=True ENABLE_UBUNTU_CLOUD_ARCHIVE=False<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> ><o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > /etc/cinder/cinder.conf:<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > [3pariscsi_1]<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > hpe3par_api_url =<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > <a href="INVALID URI REMOVED"><span style="color:windowtext;text-decoration:none">INVALID URI REMOVED</span></a><o:p></o:p></p>
<p class="MsoPlainText">> > 08<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > 0_api_v1&d=DwIBAg&c=C5b8zRQO1miGmBeVZ2LFWg&r=8drU3i56Z5sQ_Ltpya89LTN<o:p></o:p></p>
<p class="MsoPlainText">> > n3<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > xDSwtigjYbGrSY1lM8&m=zTRvI4nj8MoP0_z5MmxTYwKiNNW6addwP4L5VFG4wkg&s=a<o:p></o:p></p>
<p class="MsoPlainText">> > 2D<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > HbzzRtbbBPz0_kfodZv5X1HxbN_hFxte5rEZabAg&e=<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > hpe3par_username = user<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > hpe3par_password = password<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > san_ip = 192.168.1.7<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > san_login = user<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > san_password = password<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > volume_backend_name = 3pariscsi_1<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > hpe3par_cpg = my_cpg<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > hpe3par_iscsi_ips = 192.168.11.2,192.168.11.3 volume_driver =<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > cinder.volume.drivers.hpe.hpe_3par_iscsi.HPE3PARISCSIDriver<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > hpe3par_iscsi_chap_enabled = True<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > hpe3par_debug = True<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > image_volume_cache_enabled = True<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> ><o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > /etc/cinder/policy.json:<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > 'volume:multiattach': 'rule:admin_or_owner'<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> ><o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > Added <a href="https://review.opendev.org/#/c/560067/2/cinder/volume/drivers/hpe/hpe_3par_common.py"><span style="color:windowtext;text-decoration:none">https://review.opendev.org/#/c/560067/2/cinder/volume/drivers/hpe/hpe_3par_common.py</span></a>=
change in the code.<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> ><o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > But I am getting below error in the nova log:<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > Apr 29 04:23:04 CSSOSBE04-B09 nova-compute[31396]: ERROR nova.compute.manager [None req-2cda6e90-fd45-4bfe-960a-7fca9ba4abab demo admin] [instance: fcaa5a47-fc48-489d-9827-6533bfd1a9fa] Instance failed block device setup: MultiattachNotSupportedByVirtDriver:
Volume dc25f09a-6ae1-4b06-a814-73a8afaba62f has 'multiattach' set, which is not supported for this instance.<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > Apr 29 04:23:04 CSSOSBE04-B09 nova-compute[31396]: ERROR nova.compute.manager [instance: fcaa5a47-fc48-489d-9827-6533bfd1a9fa] Traceback (most recent call last):<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > Apr 29 04:23:04 CSSOSBE04-B09 nova-compute[31396]: ERROR nova.compute.manager [instance: fcaa5a47-fc48-489d-9827-6533bfd1a9fa] File "/opt/stack/nova/nova/compute/manager.py", line 1615, in _prep_block_device<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > Apr 29 04:23:04 CSSOSBE04-B09 nova-compute[31396]: ERROR nova.compute.manager [instance: fcaa5a47-fc48-489d-9827-6533bfd1a9fa] wait_func=self._await_block_device_map_created)<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > Apr 29 04:23:04 CSSOSBE04-B09 nova-compute[31396]: ERROR nova.compute.manager [instance: fcaa5a47-fc48-489d-9827-6533bfd1a9fa] File "/opt/stack/nova/nova/virt/block_device.py", line 840, in attach_block_devices<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > Apr 29 04:23:04 CSSOSBE04-B09 nova-compute[31396]: ERROR nova.compute.manager [instance: fcaa5a47-fc48-489d-9827-6533bfd1a9fa] _log_and_attach(device)<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > Apr 29 04:23:04 CSSOSBE04-B09 nova-compute[31396]: ERROR nova.compute.manager [instance: fcaa5a47-fc48-489d-9827-6533bfd1a9fa] File "/opt/stack/nova/nova/virt/block_device.py", line 837, in _log_and_attach<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > Apr 29 04:23:04 CSSOSBE04-B09 nova-compute[31396]: ERROR nova.compute.manager [instance: fcaa5a47-fc48-489d-9827-6533bfd1a9fa] bdm.attach(*attach_args, **attach_kwargs)<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > Apr 29 04:23:04 CSSOSBE04-B09 nova-compute[31396]: ERROR nova.compute.manager [instance: fcaa5a47-fc48-489d-9827-6533bfd1a9fa] File "/opt/stack/nova/nova/virt/block_device.py", line 46, in wrapped<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > Apr 29 04:23:04 CSSOSBE04-B09 nova-compute[31396]: ERROR nova.compute.manager [instance: fcaa5a47-fc48-489d-9827-6533bfd1a9fa] ret_val = method(obj, context, *args, **kwargs)<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > Apr 29 04:23:04 CSSOSBE04-B09 nova-compute[31396]: ERROR nova.compute.manager [instance: fcaa5a47-fc48-489d-9827-6533bfd1a9fa] File "/opt/stack/nova/nova/virt/block_device.py", line 620, in attach<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > Apr 29 04:23:04 CSSOSBE04-B09 nova-compute[31396]: ERROR nova.compute.manager [instance: fcaa5a47-fc48-489d-9827-6533bfd1a9fa] virt_driver, do_driver_attach)<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > Apr 29 04:23:04 CSSOSBE04-B09 nova-compute[31396]: ERROR nova.compute.manager [instance: fcaa5a47-fc48-489d-9827-6533bfd1a9fa] File "/usr/local/lib/python2.7/dist-packages/oslo_concurrency/lockutils.py", line 274, in inner<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > Apr 29 04:23:04 CSSOSBE04-B09 nova-compute[31396]: ERROR nova.compute.manager [instance: fcaa5a47-fc48-489d-9827-6533bfd1a9fa] return f(*args, **kwargs)<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > Apr 29 04:23:04 CSSOSBE04-B09 nova-compute[31396]: ERROR nova.compute.manager [instance: fcaa5a47-fc48-489d-9827-6533bfd1a9fa] File "/opt/stack/nova/nova/virt/block_device.py", line 617, in _do_locked_attach<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > Apr 29 04:23:04 CSSOSBE04-B09 nova-compute[31396]: ERROR nova.compute.manager [instance: fcaa5a47-fc48-489d-9827-6533bfd1a9fa] self._do_attach(*args, **_kwargs)<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > Apr 29 04:23:04 CSSOSBE04-B09 nova-compute[31396]: ERROR nova.compute.manager [instance: fcaa5a47-fc48-489d-9827-6533bfd1a9fa] File "/opt/stack/nova/nova/virt/block_device.py", line 602, in _do_attach<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > Apr 29 04:23:04 CSSOSBE04-B09 nova-compute[31396]: ERROR nova.compute.manager [instance: fcaa5a47-fc48-489d-9827-6533bfd1a9fa] do_driver_attach)<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > Apr 29 04:23:04 CSSOSBE04-B09 nova-compute[31396]: ERROR nova.compute.manager [instance: fcaa5a47-fc48-489d-9827-6533bfd1a9fa] File "/opt/stack/nova/nova/virt/block_device.py", line 509, in _volume_attach<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > Apr 29 04:23:04 CSSOSBE04-B09 nova-compute[31396]: ERROR nova.compute.manager [instance: fcaa5a47-fc48-489d-9827-6533bfd1a9fa] volume_id=volume_id)<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > Apr 29 04:23:04 CSSOSBE04-B09 nova-compute[31396]: ERROR nova.compute.manager [instance: fcaa5a47-fc48-489d-9827-6533bfd1a9fa] MultiattachNotSupportedByVirtDriver: Volume dc25f09a-6ae1-4b06-a814-73a8afaba62f has 'multiattach' set,
which is not supported for this instance.<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > Apr 29 04:23:04 CSSOSBE04-B09 nova-compute[31396]: ERROR<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > nova.compute.manager [instance: <o:p></o:p></p>
<p class="MsoPlainText">> > fcaa5a47-fc48-489d-9827-6533bfd1a9fa]<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> ><o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> ><o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > Apr 29 05:41:20 CSSOSBE04-B09 nova-compute[20455]: DEBUG<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > nova.virt.libvirt.driver [-] Volume multiattach is not supported
<o:p></o:p></p>
<p class="MsoPlainText">> > based<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > on current versions of QEMU and libvirt. QEMU must be less than 2.10<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > or libvirt must be greater than or equal to 3.10. {{(pid=20455)<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > _set_multiattach_support<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > /opt/stack/nova/nova/virt/libvirt/driver.py:619}}<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> ><o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> ><o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > stack@CSSOSBE04-B09:/tmp$ virsh --version<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > 3.6.0<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > stack@CSSOSBE04-B09:/tmp$ kvm --version QEMU emulator version<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > 2.10.1(Debian 1:2.10+dfsg-0ubuntu3.8~cloud1) Copyright (c) 2003-2017<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > Fabrice Bellard and the QEMU Project developers<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> ><o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> Hi Sneha,<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> I don't know much about this side of Nova, but reading the log error I would say that you either need to update your libvirt version from 3.6.0 to 3.10, or you need to downgrade your QEMU version to something prior to 2.10.<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> The later is probably easier.<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> I don't use Ubuntu, but according to the Internet you can list
<o:p></o:p></p>
<p class="MsoPlainText">> available versions with "apt-cache policy qemu" and then install or
<o:p></o:p></p>
<p class="MsoPlainText">> downgrade to the specific version with "sudo apt-get install
<o:p></o:p></p>
<p class="MsoPlainText">> qemu=2.5\*" if you wanted to install version 2.5<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> I hope this helps.<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> Cheers,<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> Gorka.<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> ><o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > openstack volume show -c multiattach -c status sneha1<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > +-------------+-----------+<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > | Field | Value |<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > +-------------+-----------+<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > | multiattach | True |<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > | status | available |<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > +-------------+-----------+<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> ><o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > cinder extra-specs-list<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > +--------------------------------------+-------------+--------------------------------------------------------------------+<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > | ID | Name | extra_specs |<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > +--------------------------------------+-------------+--------------------------------------------------------------------+<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > | bd077fde-51c3-4581-80d5-5855e8ab2f6b | 3pariscsi_1 |<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > | {'volume_backend_name': '3pariscsi_1', 'multiattach': '<is>
<o:p></o:p></p>
<p class="MsoPlainText">> > | True'}|<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > +--------------------------------------+-------------+--------------------------------------------------------------------+<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> ><o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> ><o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > echo $OS_COMPUTE_API_VERSION<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > 2.60<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> ><o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > pip list | grep python-novaclient<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > DEPRECATION: Python 2.7 will reach the end of its life on January 1st, 2020. Please upgrade your Python as Python 2.7 won't be maintained after that date. A future version of pip will drop support for Python 2.7.<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > python-novaclient 13.0.0<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> ><o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > How do I fix this version issue on my setup to proceed? Please help.<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> ><o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > Thanks & Regards,<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> > Sneha Rai<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
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