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Experts on failover

Clint_Byrum   Stephen_Balukoff

Recent questions tagged failover

0 votes
1 response 24 views

I?ve been running nova-network in VLAN mode as an active/passive cluster resource (corosync + rgmanager) on my OpenStack Havana and Folsom controller pairs for a good long while. This week I found an oddity that I hadn?t noticed before, and ...

asked Oct 29, 2014 in openstack-operators by Mike_Smith (2,280 points)   1 4
0 votes
10 responses 46 views

Hi there, I have an openstack deployment question. I have three physical server(Configurations are listed in the following). What is the best optimized production-ready deployment model to achieve the following goals in mind(Users will not ...

asked Oct 21, 2014 in openstack-operators by Hossein_Zabolzadeh (1,040 points)   1 6 8
0 votes
18 responses 430 views

Hello, Is anyone here using openstack with mysql galera and haproxy? Have You got any problems with that? I was today installed such ha infra for database (two mysql servers in galera cluster and haproxy on controller and neutron node, this ...

asked Sep 18, 2014 in openstack-operators by Sławek_Kapłoński (5,420 points)   3 11 14
0 votes
8 responses 23 views

Hi guys, I'm trying to put some HA on our cinder service, we have the next scenario: -Real backends: EMC clarion (SATA drives) and HP Storevirtual P4000 (SAS drives), this two backends export 2 big LUNs to our (one and only right now) ...

asked Sep 16, 2014 in openstack-operators by =?UTF-8?Q?Juan_Jos=C (940 points)   1
0 votes
2 responses 21 views

Hi, The OpenStack high availability guide seems to be a bit ambiguous about whether RabbitMQ should be configured active/standby or active/active...both methods are described. Has anyone tried using active/active with mirrored queues as ...

asked Sep 11, 2014 in openstack-operators by Chris_Friesen (20,420 points)   3 17 26
0 votes
0 responses 16 views

Hi, team, I clicked Project/Instances, got this Error: Error: Unable to retrieve instance size information. then the Instance's "Size" went to "Not available", Instance became unaccessible Anyone help? Thanks! FYI: Version: Icehouse Yours ...

asked Sep 9, 2014 in openstack-operators by brant_carrey (140 points)   1
0 votes
2 responses 148 views

Hi, A quick query if anyone is using the neutron metering agent to measure traffic in/out of routers: When adding the metering label and rules, on some, but not all, of our routers, I get a traceback in the metering_agent.log pointing at ...

asked Sep 7, 2014 in openstack-operators by Xav_Paice (2,520 points)   3 4
0 votes
21 responses 442 views

Hello, I have an OpenStack cloud with two HA cloud controllers. Each controller runs the standard controller components: glance, keystone, nova minus compute and network, cinder, horizon, mysql, rabbitmq, and memcached. Everything except ...

asked Aug 14, 2014 in openstack-operators by Joe_Topjian (5,780 points)   1 6 10