[Openstack] LBaaS solution for eleminate SPOF is required

Heiko Krämer hkraemer at anynines.com
Tue Apr 1 08:52:00 UTC 2014


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Hi guys,

i'm looking since days for a solution to solve the SPOF (single point of
failure) of the lbaas. A easy solution with a config option is not
available yet.

The next option is to install/configure some not OpenStack related tools
like pacemaker. I realise my L3-Agent faiover with an self writen RA for
pacemaker to switch routers on broken l3 agent to the running on with
the neutron API.
The same can be workin with LbaaS but there's a problem again:

 - No API function to switch a pool from agent A to agent b
 - configurations of HAProxy replicate => this can be solvd with drbd or
some shared network storage like NFS
 - Devices are not the same => L3 switch router from agent A (broken) to
agent B the devices names are not the same
 -

Is there any solution to solve this SPOF ? I mean a LB should not only
scale/balancing your cluster/application the second task is the failover
of broken members.




Thx and cheers
Heiko

- -- 
anynines.com
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