Network discovery failure after launching a test job
Error during network discovery.
snip from "nova-manage"
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migrate/
2011-04-21 16:25:53,077 DEBUG migrate.
2011-04-21 16:25:53,967 DEBUG nova.utils [-] backend <module 'nova.db.
2011-04-21 16:25:54,053 CRITICAL nova [-] Network with cidr 10.0.0.0/28 already exists
(nova): TRACE: Traceback (most recent call last):
(nova): TRACE: File "/usr/bin/
(nova): TRACE: main()
(nova): TRACE: File "/usr/bin/
(nova): TRACE: fn(*argv)
(nova): TRACE: File "/usr/bin/
(nova): TRACE: label=label)
(nova): TRACE: File "/usr/lib/
(nova): TRACE: cidr))
(nova): TRACE: ValueError: Network with cidr 10.0.0.0/28 already exists
(nova): TRACE:
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snip from nova-network
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2011-04-21 16:35:26,825 AUDIT nova [-] Starting network node (version 2011.2-
2011-04-21 16:35:26,839 DEBUG nova.utils [-] Attempting to grab semaphore "iptables" for method "apply"... from (pid=20052) inner /usr/lib/
2011-04-21 16:35:26,839 DEBUG nova.utils [-] Attempting to grab file lock "iptables" for method "apply"... from (pid=20052) inner /usr/lib/
2011-04-21 16:35:26,840 CRITICAL nova [-] failed to create /usr/lib/
(nova): TRACE: Traceback (most recent call last):
(nova): TRACE: File "/usr/bin/
(nova): TRACE: service.serve()
(nova): TRACE: File "/usr/lib/
(nova): TRACE: x.start()
(nova): TRACE: File "/usr/lib/
(nova): TRACE: self.manager.
(nova): TRACE: File "/usr/lib/
(nova): TRACE: super(VlanManager, self).init_host()
(nova): TRACE: File "/usr/lib/
(nova): TRACE: self.driver.
(nova): TRACE: File "/usr/lib/
(nova): TRACE: iptables_
(nova): TRACE: File "/usr/lib/
(nova): TRACE: with lock:
(nova): TRACE: File "/usr/lib/
(nova): TRACE: self.acquire()
(nova): TRACE: File "/usr/lib/
(nova): TRACE: raise LockFailed("failed to create %s" % self.unique_name)
(nova): TRACE: LockFailed: failed to create /usr/lib/
(nova): TRACE:
Not sure if this is a bug or a configuration mistake. Please advise.
Using packages from
deb http://
deb-src http://
root@openstack1:~# uname -a
Linux openstack1 2.6.35-22-server #33-Ubuntu SMP Sun Sep 19 20:48:58 UTC 2010 x86_64 GNU/Linux
root@openstack1:~# cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_
DISTRIB_
DISTRIB_
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Question information
- Language:
- English Edit question
- Status:
- Solved
- Assignee:
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- Solved by:
- Vish Ishaya
- Solved:
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