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i think you should use --vlan=<vlanid> in command nova-manage network create

I thought by default nova-manage try to use vlan_start (default is vlanid
100) to insert it in db table networks. and if you already have one network
with vlanid100 , it should return such error about duplicated vlan.

what is the type of network_manager in you configuration?


2012/4/28 livemoon <mwjpiero at gmail.com>

> According doc:
> http://docs.openstack.org/incubation/openstack-network/admin/content/Net-Create-dle455.html
>
> when I create the second network, it return errors:
>
> root at cloud:/etc/quantum# nova-manage network create --label=public
> --fixed_range_v4=10.0.1.0/24
> 2012-04-28 15:27:21 DEBUG nova.utils
> [req-6001e498-c504-4bf1-ae5b-537d08e66325 None None] backend <module
> 'nova.db.sqlalchemy.api' from
> '/usr/lib/python2.7/dist-packages/nova/db/sqlalchemy/api.pyc'> from
> (pid=21612) __get_backend /usr/lib/python2.7/dist-packages/nova/utils.py:658
> root at cloud:/etc/quantum# nova-manage network create --label=test-1
> --fixed_range_v4=10.0.2.0/24 --uuid=64a1c0f3-572b-4349-993d-36c06b746006
> 2012-04-28 15:27:46 DEBUG nova.utils
> [req-5d2924e1-6dce-44ae-bc45-c6c880c9cf9a None None] backend <module
> 'nova.db.sqlalchemy.api' from
> '/usr/lib/python2.7/dist-packages/nova/db/sqlalchemy/api.pyc'> from
> (pid=21756) __get_backend /usr/lib/python2.7/dist-packages/nova/utils.py:658
> Command failed, please check log for more info
> 2012-04-28 15:27:46 CRITICAL nova
> [req-5d2924e1-6dce-44ae-bc45-c6c880c9cf9a None None] Detected existing vlan
> with id 100
> 2012-04-28 15:27:46 TRACE nova Traceback (most recent call last):
> 2012-04-28 15:27:46 TRACE nova   File "/usr/bin/nova-manage", line 1744,
> in <module>
> 2012-04-28 15:27:46 TRACE nova     main()
> 2012-04-28 15:27:46 TRACE nova   File "/usr/bin/nova-manage", line 1731,
> in main
> 2012-04-28 15:27:46 TRACE nova     fn(*fn_args, **fn_kwargs)
> 2012-04-28 15:27:46 TRACE nova   File "/usr/bin/nova-manage", line 812, in
> create
> 2012-04-28 15:27:46 TRACE nova     fixed_cidr=fixed_cidr)
> 2012-04-28 15:27:46 TRACE nova   File
> "/usr/lib/python2.7/dist-packages/nova/network/manager.py", line 1843, in
> create_networks
> 2012-04-28 15:27:46 TRACE nova     NetworkManager.create_networks(self,
> context, vpn=True, **kwargs)
> 2012-04-28 15:27:46 TRACE nova   File
> "/usr/lib/python2.7/dist-packages/nova/network/manager.py", line 1401, in
> create_networks
> 2012-04-28 15:27:46 TRACE nova     network =
> self.db.network_create_safe(context, net)
> 2012-04-28 15:27:46 TRACE nova   File
> "/usr/lib/python2.7/dist-packages/nova/db/api.py", line 731, in
> network_create_safe
> 2012-04-28 15:27:46 TRACE nova     return
> IMPL.network_create_safe(context, values)
> 2012-04-28 15:27:46 TRACE nova   File
> "/usr/lib/python2.7/dist-packages/nova/db/sqlalchemy/api.py", line 102, in
> wrapper
> 2012-04-28 15:27:46 TRACE nova     return f(*args, **kwargs)
> 2012-04-28 15:27:46 TRACE nova   File
> "/usr/lib/python2.7/dist-packages/nova/db/sqlalchemy/api.py", line 1884, in
> network_create_safe
> 2012-04-28 15:27:46 TRACE nova     raise
> exception.DuplicateVlan(vlan=values['vlan'])
> 2012-04-28 15:27:46 TRACE nova DuplicateVlan: Detected existing vlan with
> id 100
> 2012-04-28 15:27:46 TRACE nova
>
> Can anyone help me?
>
> --
> 非淡薄无以明志，非宁静无以致远
>
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