yahoo-eng-team team mailing list archive

["Dr. Jens Rosenboom" <j.rosenboom@xxxxxxxx>]

Public bug reported:

As an operator, when I am running a setup with two network nodes, the
idea of running L3 HA is that an outage of one of the network nodes
should have minimum customer impact. With the current code, existing
setups will indeed have little to no impact, but customers will not be
able to create new routers during the outage.

If neutron would allow to set min_l3_agents_per_router=1, new routers
will be created even when just one agent is available, which certainly
is not optimal, but at least will fulfill the customer request. Once the
second network node recovers, the second router instance will be added
and thus redundancy restored.

** Affects: neutron
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1555042

Title:
  Neutron HA should allow min_l3_agents_per_router to equal one

Status in neutron:
  New

Bug description:
  As an operator, when I am running a setup with two network nodes, the
  idea of running L3 HA is that an outage of one of the network nodes
  should have minimum customer impact. With the current code, existing
  setups will indeed have little to no impact, but customers will not be
  able to create new routers during the outage.

  If neutron would allow to set min_l3_agents_per_router=1, new routers
  will be created even when just one agent is available, which certainly
  is not optimal, but at least will fulfill the customer request. Once
  the second network node recovers, the second router instance will be
  added and thus redundancy restored.

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