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** Changed in: neutron
Status: Invalid => New
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https://bugs.launchpad.net/bugs/1633306
Title:
Partial HA network causing HA router creation failed (race conditon)
Status in neutron:
New
Bug description:
ENV: stable/mitaka，VXLAN
Neutron API: two neutron-servers behind a HA proxy VIP.
Exception log:
[1] http://paste.openstack.org/show/585669/
[2] http://paste.openstack.org/show/585670/
Log [1] shows that the subnet of HA network is concurrently deleted
while a new HA router create API comes. Seems the race conditon
described in this bug is till exists :
https://bugs.launchpad.net/neutron/+bug/1533440, where has description
said:
"""
Some known exceptions:
...
2. IpAddressGenerationFailure: (HA port created failed due to the
concurrently HA subnet deletion)
...
"""
Log [2] has a very strange behavior that those 3 APIs have a same
request-id [req-780b1f6e-2b3c-4303-a1de-a5fb4c7ea31e].
Test scenario:
Just create one HA router for a tenant, and then quickly delete it.
For now, our mitaka ENV use VxLAN as tenant network type. So there is a very large range of VNI.
So don't save that, and temporarily solution, we add a new config to decide whether delete the HA network every time.
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