[openstack-dev] [neutron][L3] Wrong fail over of HA-Router
lubosz.kosnik at intel.com
Thu Jan 14 08:55:44 UTC 2016
Here you have an information about that bug - it's a known issue in
On 01/14/2016 02:27 AM, Ikuo Kumagai wrote:
> Hi All
> Could you give me some advice for our problem?
> We use Neutron L3-HA.
> When I associate/disassociate floating-ip, the state of ha keepalived
> become MASTER/MASTER state. Then
> Because at that time,the sending of vrrp packet from MASTER to BACKUP
> stop for 40 seconds.
> I checked logs of Keepalived, there is the 40 seconds delay of between
> Log ( Initializing ipvs 2.6) and Log (Opening file ~).
> ex is below.
> Jan 14 09:51:22 stg-anlk-ctrl003 Keepalived_vrrp:
> Initializing ipvs 2.6
> Jan 14 09:52:02 stg-anlk-ctrl003 Keepalived_vrrp: Opening
> During this time, the packet of vrrp for MASTER to BACKUP,so BACKUP
> changes to MASTER, and then original MASTER starts sendding vrrp
> packets again.
> The versions of our environment is below
> - Keepalived v1.2.7 (08/14,2013)
> - Linux stg-anlk-ctrl003 3.13.0-74-generic #118-Ubuntu SMP Thu Dec 17
> 22:52:10 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
> We did a adjustement of ha_vrrp_advert_int to avoid this.
> But I would like to know why is the term always 40 seconds.
> If you know anything about that please let me know.
> Ikuo Kumagai
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