I am using the default version of the ubuntu 12.04 ( keepalived 1:1.2.2-3ubuntu1). Maybe this issue is the root cause. I will try the latest keepalived.
On Tue, May 7, 2013 at 6:11 PM, <eric_e_sm...@dell.com> wrote: > What version of keepalived are you using? I found this online: > https://github.com/acassen/keepalived/issues/8**** > > ** ** > > I would first try removing the check script and validating that failure > works without the check script. If that works you might need to update > keepalived.**** > > ** ** > > Here’s a brief introduction I did a while back on using haproxy with > keepalived as a load balancer (FWIW): > http://four-eyes.net/2013/01/haproxy-keepalived-the-free-ha-load-balancer/ > **** > > ** ** > > ** ** > > *From:* Lei Zhang [mailto:zhang.lei....@gmail.com] > *Sent:* Monday, May 06, 2013 7:55 PM > *To:* Smith, Eric E > *Cc:* openstack@lists.launchpad.net > *Subject:* Re: [Openstack] keepalive can not check the haproxy is down.*** > * > > ** ** > > Thanks Eric,**** > > I have solve it after breaking down the group. **** > > ** ** > > 1. the different netmask is typo. And it doesn't break the failover. **** > > 2. Why the group is unnecessary? When there are the two instances using > the same check script , like this case, what's mean after grouping them?** > ** > > ** ** > > On Mon, May 6, 2013 at 6:37 PM, <eric_e_sm...@dell.com> wrote:**** > > I see you have different netmasks for the VIP on node1 vs. node2; I would > also try breaking them out of the vrrp_sync_group and validating at least 1 > router will fail independently. **** > > **** > > *From:* Openstack [mailto:openstack-bounces+eric_e_smith= > dell....@lists.launchpad.net] *On Behalf Of *Lei Zhang > *Sent:* Monday, May 06, 2013 3:07 AM > *To:* openstack@lists.launchpad.net > *Subject:* [Openstack] keepalive can not check the haproxy is down.**** > > **** > > Hi Guys,**** > > I am trying to use keepalive and haproxy to work together to improve the > HA of the openstack. But I meet following > unexpected issue. **** > > I expect that when the haproxy process is crashed on the MASTER > node(checked by chk_haproxy), the second node > will take over the VIP. But when I stop the haproxy process, nothing is > happened. > However, when stop the keepalived service, the VIP is set up on the node2 > as expected. **** > > So I think the root cause should be the chk_haproxy block. But I have no > idea why it doesn't work. Does any body have > ideas?**** > > *node1 keepalived.conf***** > > global_defs {**** > > lvs_id LVS_228**** > > }**** > > **** > > vrrp_sync_group openstack_haproxy {**** > > group {**** > > v1**** > > v2**** > > }**** > > }**** > > vrrp_script chk_haproxy {**** > > script "killall -0 haproxy"**** > > interval 2**** > > debug**** > > weight 2**** > > }**** > > vrrp_instance v1 {**** > > interface eth0 **** > > debug**** > > state MASTER**** > > virtual_router_id 1**** > > priority 101**** > > virtual_ipaddress {**** > > 192.168.0.230/24**** > > } **** > > track_script {**** > > chk_haproxy**** > > }**** > > }**** > > vrrp_instance v2 {**** > > interface eth1 **** > > state MASTER**** > > debug**** > > virtual_router_id 2**** > > priority 101**** > > virtual_ipaddress {**** > > 10.1.0.30/16**** > > } **** > > track_script {**** > > chk_haproxy**** > > }**** > > }**** > > *node2 keepalived.conf***** > > global_defs {**** > > lvs_id LVS_229**** > > }**** > > **** > > vrrp_sync_group openstack_haproxy {**** > > group {**** > > v1**** > > v2**** > > }**** > > }**** > > vrrp_script chk_haproxy {**** > > script "killall -0 haproxy"**** > > interval 2**** > > weight 2**** > > }**** > > vrrp_instance v1 {**** > > interface eth0 **** > > state BACKUP**** > > virtual_router_id 1**** > > priority 100**** > > virtual_ipaddress {**** > > 192.168.0.230**** > > } **** > > track_script {**** > > chk_haproxy**** > > }**** > > }**** > > vrrp_instance v2 {**** > > interface eth1 **** > > state BACKUP**** > > virtual_router_id 2**** > > priority 100**** > > virtual_ipaddress {**** > > 10.1.0.30**** > > } **** > > track_script {**** > > chk_haproxy**** > > }**** > > }**** > > -- **** > > Lei Zhang**** > > **** > > Blog: http://jeffrey4l.github.com**** > > twitter/weibo: @jeffrey4l**** > > > > **** > > ** ** > > -- **** > > Lei Zhang**** > > ** ** > > Blog: http://jeffrey4l.github.io**** > > twitter/weibo: @jeffrey4l**** > -- Lei Zhang Blog: http://jeffrey4l.github.io twitter/weibo: @jeffrey4l
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