Dear Sir,
This our testbed:
Openstack (stein) + Opendaylight (neon) + OpenvSwitch (v2.11.1)
We have trouble when creating VM on compute node using OpenStack CLI:
#openstack vnf create vnfd1 vnf1
Here are the log message and ovs information.
*COMPUTE NODE:*
nova-compute.log
=========================================
ERROR nova.compute.manager Failed to build and run instance:
libvirt.libvirtError: internal error: process exited while connecting
to monitor:
qemu-system-x86_64: -chardev
socket,id=charnet0,path=/var/run/openvswitch/vhub701eeae-c0: Failed to
connect socket /var/run/openvswitch/vhub701eeae-c0: No such file or
directory
INFO nova.compute.manager Took 0.68 seconds to deallocate network for instance.
INFO nova.scheduler.client.report Deleted allocation for instance
308de941-1192-4dbd-8c4d-d7860139d6d4
===========================
ovs information:
===========================
_uuid : b8f5b869-e794-4052-8896-3ee5d323a0b7
bridges : [5b6ab0c7-d8f1-43b0-9ab7-1e77280cd3ff,
70810190-6796-4500-bda4-dae856bcede1]
cur_cfg : 1267
datapath_types : [netdev, system]
db_version : "7.16.1"
dpdk_initialized : false
dpdk_version : none
external_ids : {hostname="cmp002",
"odl_os_hostconfig_config_odl_l2"="{\"allowed_network_types\":
[\"local\", \"flat\", \"vlan\", \"vxlan\", \"gre\"],
\"bridge_mappings\": {}, \"datapath_type\": \"netdev\",
\"supported_vnic_types\": [{\"vif_details\": {\"uuid\":
\"b8f5b869-e794-4052-8896-3ee5d323a0b7\", \"host_addresses\":
[\"cmp002\"], \"has_datapath_type_netdev\": true,
\"support_vhost_user\": true, \"port_prefix\": \"vhu\",
\"vhostuser_socket_dir\": \"/var/run/openvswitch\",
\"vhostuser_ovs_plug\": true, \"vhostuser_mode\": \"client\",
\"vhostuser_socket\": \"/var/run/openvswitch/vhu$PORT_ID\"},
\"vif_type\": \"vhostuser\", \"vnic_type\": \"normal\"}]}",
odl_os_hostconfig_hostid="cmp002", rundir="/var/run/openvswitch",
system-id="dddc6d6c-0e7c-4813-97c9-7c72eaf9f46b"}
iface_types : [erspan, geneve, gre, internal, "ip6erspan",
"ip6gre", lisp, patch, stt, system, tap, vxlan]
manager_options : [29b4ef4b-e2ba-43f3-aa42-b1bacaf9dd19,
75ae95f6-d251-4152-9e0d-5b65e5f7bb77]
next_cfg : 1267
other_config : {local_ip="10.1.0.6",
provider_mappings="physnet1:br-floating"}
ovs_version : "2.11.1"
ssl : []
statistics : {}
system_type : ubuntu
system_version : "18.04"
===========================
# ovs-vsctl get bridge br-int datapath_type
netdev
===========================
*In ovsdb log it shows:*
ovs-vsctl set Open_vSwitch b8f5b869-e794-4052-8896-3ee5d323a0b7
"external_ids:odl_os_hostconfig_config_odl_l2={"allowed_network_types":
["local", "flat", "vlan", "vxlan", "gre"], "bridge_mappings": {},
"datapath_type": "netdev", "supported_vnic_types": [{"vif_details":
{"uuid": "b8f5b869-e794-4052-8896-3ee5d323a0b7", "host_addresses":
["cmp002"], "has_datapath_type_netdev": true, "support_vhost_user":
true, "port_prefix": "vhu", "vhostuser_socket_dir":
"/var/run/openvswitch", "vhostuser_ovs_plug": true, "vhostuser_mode":
"client", "vhostuser_socket": "/var/run/openvswitch/vhu$PORT_ID"},
"vif_type": "vhostuser", "vnic_type": "normal"}]}""
================================
We dont't use DPDK on our OpenvSwtich.
The datapath is orignailly "system", but somehow change to "netdev"
after rebooting compute node.
Could you give us some advice on this issue?
Thanks for helping us.
Regards,
Zack
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03/12/21,
11:33:27 AM
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