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2019-09-25 09:29:55 -0500 问了问题 how to make openstack ha

hi all,

i have configured 2 controllers and 3 computes on centos.

i want to know how to make my envronment ha.

please guide me how to make openstack ha.

2019-09-25 09:29:55 -0500 问了问题 how to make mysql ha using gallera

hi,

i have 2 controllers and 3 computes and i want to make my open stack environment ha.

please guide me how to achieve.

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2019-07-25 09:06:24 -0500 问了问题 vip is communicating with one controller in pacemaker

we have configured openstack (queens)with two controllers and 3 computes.

after installing pacemaker and corosync,we asiigned virtual ip,but vip is communicating with only controller instead of two.

even nova computes are also showing down in another controller.

if i change the controller ip in /etc/nova/nova.conf in one of compute nodes with the ip (i.e x.x.x.70) of controller which is not communicating with vip ,its than showing up.

here are my config files: root@openstack1:~# cat /etc/hosts x.x.x.70 http://openstack1.xxx.com openstack1 x.x.x.71 http://openstack2.xxx.com openstack2 x.x.x.72 http://openstack3.xxx.com openstack3 x.x.x.73 http://openstack4.xxx.com openstack4 x.x.x.74 http://openstack5.xxx.com openstack5 x.x.x.75 http://openstack6.xxx.com openstack6

etc/corosync/corosync.conf file:

totem { version: 2 ip_version: ipv4 cluster_name: hacluster transport: udpu interface { ringnumber: 0 broadcast: yes mcastport: 5405 } } quorum { provider: corosync_votequorum two_node: 1 } nodelist { node { ring0_addr: x.x.x.70 } node { ring0_addr: x.x.x.71 } } logging { to_logfile: yes logfile: /var/log/corosync/corosync.log to_syslog: yes timestamp: on }

crm status:

Online: [ openstack1 openstack2 ]

Full list of resources:

openstack (ocf::pacemaker:Dummy): Started openstack1 vip (ocf::heartbeat:IPaddr2): Started openstack2

when we are doing openstack1(x.x.x.70) node to standby vip(x.x.x.76)is migrating to openstack1(x.x.x.70)but computes are showing down. computes which are on openstack2(x.x.x.71) are communicating with vip(x.x.x.76). if we are migrating vip(x.x.x.76) from openstack2(x.x.x.71) to openstack1(x.x.x.70) computes are showing down and dashboard also not getting.

vip(x.x.x.76) is communicating with openstack2(x.x.x.71) only.

please suggest any one. to move forward.