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Experts on failover

Clint_Byrum   Stephen_Balukoff

Recent questions tagged failover

0 votes
4 responses 847 views

Hi, after a rabbitmq problem octavia has removed all amphora instances. the loadbalancers are in provisioning_status "ACTIVE" ~$ neutron lbaas-loadbalancer-list neutron CLI is deprecated and will be removed in the future. Use openstack CLI ...

asked Nov 10, 2017 in openstack-dev by Kim-Norman_Sahm (320 points)   1 5 6
0 votes
7 responses 22 views

Hi All, This is a follow up for OpenStack Extreme Testing session[1] we did in MEX-ops-meetup. Quick intro for those who were not there: In this work, we proposed to add new testing framework for openstack. This framework will provides tool ...

asked Nov 1, 2017 in openstack-dev by Sam_P (1,740 points)   3
0 votes
1 response 343 views

Hi colleagues, is it mandatory to have Designate running in order to have Octavia (LBaaSv2) running as well? I see in logs the following messages: 2017-10-12 12:01:21.915 16382 DEBUG neutronclient.v2_0.client [-] Error message: {"message": ...

asked Oct 13, 2017 in openstack by Volodymyr_Litovka (1,100 points)   2 6 8
0 votes
12 responses 40 views

Nova stores the output of the Cinder os-initialize_connection info API in the Nova block_device_mappings table, and uses that later for making volume connections. This data can get out of whack or need to be refreshed, like if your ceph ...

asked Sep 14, 2017 in openstack-operators by mriedemos_at_gmail.c (15,720 points)   2 7 12
0 votes
1 response 65 views

Hi Liping, FYI, Neutron LBaaS is no longer part of Neutron. Load balancing has been consolidated under the Octavia project. I have added that tag to the subject. We currently do not have plans to add HA capabilities to the haproxy namespace ...

asked Sep 10, 2017 in openstack-dev by Michael_Johnson (4,380 points)   4 10
0 votes
0 responses 64 views

Hi Neutron LBaaS team, One quick question about HA LBaaS V2 with haproxy namespace driver(not Octavia). Do we have any plan to support Haproxy HA with Keepalived? (Something similar with L3 HA). I see we got some patch supported some level ...

asked Sep 10, 2017 in openstack-dev by Liping_Mao_-X_(limao (1,580 points)   7
0 votes
3 responses 48 views

Hello Matt, There is a serie of patches pushed upstream [0] to configure virtual functions of a SRIOV device to be "trusted". That is to fix an issue when bonding two SRIOV nics in failover mode, basically without that capabability set to ...

asked Jun 7, 2017 in openstack-dev by Sahid_Orentino_Ferdj (1,020 points)   1 1
0 votes
15 responses 21 views

Hi all! As the discussion around PostgreSQL has progressed, it has come clear to me that there is a decently deep philosophical question on which we do not currently share either definition or agreement. I believe that the lack of clarity ...

asked May 23, 2017 in openstack-dev by Monty_Taylor (22,780 points)   2 6 10
0 votes
0 responses 37 views

Hi, Here are the key points from "The Future of VPN as a Service" session: We had a good showing of operators that have VPNaaS deployed who are relatively happy with it and definitely want to ...

asked May 19, 2017 in openstack-dev by (15,600 points)   2 3 6
0 votes
0 responses 48 views

Hi all. Do I understand correctly that mistral/ocata doesn't has a failover and recovery? I found two problems. First is in mistral-executor. 1. You need to run an action that executes for a long time. For example, std.sleep. 2. Kill ...

asked Apr 18, 2017 in openstack by Vitalii_Solodilov (120 points)  
0 votes
5 responses 137 views

Hi, TripleO currently supports deploying CephFS and it can be used as a backend for Manila service, so user can mount ceph shares by using either ceph kernel driver or ceph-fuse on his side. There is an ongoing ganesha-nfs project [1] which ...

asked Apr 13, 2017 in openstack-dev by =?ISO-8859-1?Q?Jan_P (1,140 points)   1 4
0 votes
1 response 132 views

Openstack version: Mitaka So we're running VM's on compute nodes and HA routers on network nodes (old school, I know...) There's the test setup I'm doing: Test structure: Openstack VM is assigned to a tenant network that has public IP and I ...

asked Mar 30, 2017 in openstack by Sterdnot_Shaken (900 points)   2 7 12
0 votes
0 responses 71 views

Some of the Octavia team attended the first OpenStack Project Team Gathering (PTG) held in Atlanta the week of February 27th. Below is a summary of the notes we kept in the Octavia etherpad here: ...

asked Mar 7, 2017 in openstack-dev by Michael_Johnson (4,380 points)   4 10
0 votes
14 responses 16 views

Hi team, we have an idea to create the test suite with destructive/HA and advanced end-user scenarios for the OpenStack clusters. This test suite will contains advanced scenario integration tests for OpenStack clusters to make sure that the ...

asked Feb 28, 2017 in openstack-dev by Timur_Nurlygayanov (2,440 points)   1 4 8
0 votes
15 responses 87 views

Hello everyone! In Juno in Neutron was implemented L3 HA feature based on Keepalived (VRRP). During next cycles it was improved, we performed scale testing [1] to find weak places and tried to fix them. The only alternative for L3 HA with ...

asked Feb 24, 2017 in openstack-dev by Anna_Kamyshnikova (3,220 points)   1 6
0 votes
1 response 9 views

Are these nodes connected to a dedicated or a shared (in the sense there are other workloads running) network switches? How fast (1G, 10G or faster) are the interfaces? Also, how much RAM are you using? There's a rule of thumb that says you ...

asked Feb 17, 2017 in openstack-operators by Alex_Hübner (200 points)  
0 votes
3 responses 742 views

Hello All , For a long time we are testing Ceph and today we also want to test GlusterFS Interesting thing is maybe with single client we can not get IOPS what we get from ceph cluster . (From ceph getting max 35 K IOPS for % 100 random ...

asked Feb 16, 2017 in openstack-operators by Vahric_Muhtaryan (800 points)   2 3 4
0 votes
0 responses 17 views

Hi, I'm Renat Akhmerov. I'm again running for PTL of Mistral in Pike. Mistral is a workflow service developed within the OpenStack community from the ground up. In the last two development cycles (newton and ocata) we made a huge progress ...

asked Jan 26, 2017 in openstack-dev by renat.akhmerov_at_gm (5,640 points)   2 2 3
0 votes
9 responses 26 views

We are looking at upgrading to the latest RabbitMQ in an effort to ease some cluster failover issues we’ve been seeing. (Currently on 3.4.0) Anyone been running 3.6.x? And what has been your experience? Any gottchas to watch out for? ...

asked Jan 9, 2017 in openstack-operators by Michael_Dorman (4,160 points)   5 12
0 votes
2 responses 26 views

Hi Openstackers, We have the folowing issue (using Mitaka / DVR / Xenial), perhaps someone can help ;) When our hosts boots up, the ARP cache population loop of L3 Agent is delaying the start of neutron-ns-metadata-proxy for around a minute ...

asked Dec 13, 2016 in openstack-operators by Gustavo_Randich (2,000 points)   2 10 17