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jrosser | morning | 07:12 |
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openstackgerrit | Jonathan Rosser proposed openstack/ansible-role-pki master: WIP - Create server certificates https://review.opendev.org/c/openstack/ansible-role-pki/+/788021 | 07:28 |
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openstackgerrit | Jonathan Rosser proposed openstack/openstack-ansible-openstack_hosts master: Adjust openstack_distrib_code_name https://review.opendev.org/c/openstack/openstack-ansible-openstack_hosts/+/774624 | 11:13 |
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pto | I had a openstack crash today, due to mariadb beeing killed by the oom killer. Out Database experts asked why the https://github.com/openstack/openstack-ansible-galera_server/blob/1bb878049915c64dc588a8b8ef0e51c70825359a/templates/systemd.environment.conf.j2 did not contain "OOMScoreAdjust=-1000" which makes the linux oom killer prioritize other processes than galera. Anyone know why this is not implemented? | 11:56 |
openstackgerrit | PerToft proposed openstack/openstack-ansible-galera_server master: Added OOMScoreAdjust to systemd environment config to avoid mariadb galera to be killed in a oom situration Closes-Bug: #1927951 https://review.opendev.org/c/openstack/openstack-ansible-galera_server/+/790426 | 12:12 |
openstack | bug 1927951 in openstack-ansible "MariaDB Galera OOMScoreAdjust" [Undecided,New] https://launchpad.net/bugs/1927951 | 12:12 |
jrosser | i guess it's kind of hard to say which think you'd rather have OOM-killed, it's bad that it's happening in any event | 12:27 |
jrosser | perhaps its valid to have galera as lower priority but it does feel like a bit of a band-aid somehow | 12:28 |
openstackgerrit | Jonathan Rosser proposed openstack/ansible-role-pki master: WIP - Create server certificates https://review.opendev.org/c/openstack/ansible-role-pki/+/788021 | 12:52 |
pto | jrosser: The cluster were down a couple of hours before everything settled after mariadb@node1 were killed, this resulted in mariadb@node2 were locked as a donor and i dont think Mariadb will operate when only one node is online - not sure here. There were allot of processes which could not do queries and restarted. | 12:52 |
pto | jrosser: I have proposed a fix, but I dont know if something should be done to the resource management of the LXC containers? | 12:53 |
jrosser | i guess so, though that will be hard | 12:56 |
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jrosser | as you'd have to come up with memery limits for the individual containers which would not be able to be exceeded | 12:57 |
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jrosser | and instinct tells me thats going the be a worse overall outcome | 12:57 |
openstackgerrit | Jonathan Rosser proposed openstack/openstack-ansible-openstack_hosts master: Use PKI role to install CA certificates https://review.opendev.org/c/openstack/openstack-ansible-openstack_hosts/+/790431 | 13:01 |
pto | jrosser: We have several large galara clusters (non openstack), and we have avoided many disasters by lowering the oom kill priority on the databases | 13:01 |
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admin0 | anyone worked with pci-passthrough before ? | 14:51 |
jrosser | yes, i've done pci-passthough of GPU | 14:53 |
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openstackgerrit | Jonathan Rosser proposed openstack/openstack-ansible-openstack_hosts master: Use PKI role to install CA certificates https://review.opendev.org/c/openstack/openstack-ansible-openstack_hosts/+/790431 | 15:01 |
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admin0 | jrosser, just a shot if you know .. if i have a pci whitelist in nova.conf like this: https://gist.github.com/a1git/77db09053cf2871eae65208be41f5a0f . how do I tell a flavor to use the pcipass1 and pcipass4 device ? | 15:24 |
jrosser | admin0: is this for neutron SRIOV ports, or PCI passthrough of some generic device? | 15:31 |
admin0 | neutron sriov ports | 15:31 |
jrosser | well, i have something like http://paste.openstack.org/show/805172/ for sriov | 15:34 |
jrosser | and that results in passthrough_whitelist = [{ "physical_network": "physnet_neutron", "devname": "enp59s0f0" }] in the [pci] section of nova.conf | 15:36 |
jrosser | you would then create the neutron ports using the cli | 15:39 |
jrosser | and boot the instance with the ports you've just created specificed also on the cli | 15:39 |
jrosser | admin0: ^ does this help? | 15:40 |
admin0 | i will compare and try | 15:41 |
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openstackgerrit | Jonathan Rosser proposed openstack/openstack-ansible master: WIP - Test PKI role https://review.opendev.org/c/openstack/openstack-ansible/+/788031 | 16:07 |
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admin0 | jrosser, will it be different if its generic network devie ? | 17:37 |
admin0 | device* | 17:37 |
jrosser | I guess you need to instruct the nic which vlan to allow | 17:39 |
jrosser | that’s why neutron has dedicated handling for sriov nic | 17:39 |
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jrosser | admin0: is there something specific thats not working for you? | 17:49 |
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admin0 | jrosser, i am trying to understand the issue .. something got forward saying its "not working" .. so going into depth | 18:33 |
admin0 | i have 3 instances running active in a project .. if i click any 2 of them .. i get the console and the instances tab just find .. if I click the one, it gives horizon - | 18:45 |
admin0 | Something went wrong! | 18:45 |
admin0 | An unexpected error has occurred. Try refreshing the page. If that doesn't help, contact your local administrator. error .. nova server list shows the server being just fine | 18:45 |
admin0 | just a normal hostname also | 18:46 |
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