Posted	Nick	Remark
#openstack-nova - 2019-09-24
17:05:30	ozzzo	I've been idling in there and I see noobs come in asking questions every day, and nobody ever answers
17:05:46	sean-k-mooney	ozzzo: if we are not too busy we sometime help if its not a specifc deployment issue
17:05:51	ozzzo	they don't even recommend another channel, just silence
17:05:52	sean-k-mooney	ozzzo: what is the question?
17:06:02	mriedem	ozzzo: sounds like an opportunity for you to be the change in that channel :)
17:06:05	ozzzo	after rebuilding controllers in my dev cluster, is is possible to re-register the existing HV, or do I need to rebuild them?
17:06:33	dansmith	ozzzo: see topic
17:07:07	sean-k-mooney	if you start and stop the compute agents it shoudl recreate the compute service recorred but it wont rebuild any instance info
17:07:36	sean-k-mooney	for a dev environment its normally simpler to redeploy as its only a hand full of nodes
17:08:07	sean-k-mooney	ozzzo: if you are using devstack you can often just do a git pull and restart the service instead of unstacking and stacking again
17:08:27	ozzzo	we
17:08:32	ozzzo	re using ansible-openstack
17:08:35	ozzzo	I tried stop/starting services, and even rebooting, but they don't re-register
17:08:50	dansmith	ozzzo: maybe you and sean-k-mooney can go to #openstack to discuss further
17:09:15	sean-k-mooney	i was going to suggest the openstack ansibel channel
17:09:18	dansmith	or that
17:09:26	ozzzo	Failed to create resource provider <hostname>
17:09:44	ozzzo	ok I'll try asking there, thank you for the advice
17:09:52	kashyap	Occasionally having a user question discussed here is not really some blasphemy.
17:09:58	sean-k-mooney	ya i think i know what the issue. is. the compute service uuid has change but you are using the same hostnames
17:10:26	sean-k-mooney	so the placmet resouce provide exists with the hostname and old uuid
17:10:40	sean-k-mooney	and when nova tries to create it again it gets that failure
17:11:27	sean-k-mooney	thats a known failure mode. you need to just delete the old resouce providers
17:11:39	dansmith	sean-k-mooney: he just asked in #openstack
17:11:44	dansmith	sean-k-mooney: maybe you could answer him there
17:11:56	dansmith	you know, generate some traffic over there, help wake people up
17:11:58	sean-k-mooney	ok ya im not there but i can
17:12:33	sean-k-mooney	also im on PTO for the next 3 days ill only be online for another 40 mins or so
17:12:58	sean-k-mooney	am is there anything i should look at before i finish up today?
17:13:45	ozzzo	where can I see the old resources; are they openstack services?
17:20:25	openstackgerrit	Matt Riedemann proposed openstack/nova stable/stein: Make nova.compute.rpcapi.ComputeAPI.router a singleton https://review.opendev.org/684405
17:20:26	openstackgerrit	Matt Riedemann proposed openstack/nova stable/stein: Handle legacy request spec dict in ComputeTaskManager._cold_migrate https://review.opendev.org/684407
17:20:26	openstackgerrit	Matt Riedemann proposed openstack/nova stable/stein: Func test for migrate reschedule with pinned compute rpc https://review.opendev.org/684406
17:23:30	openstackgerrit	Matt Riedemann proposed openstack/nova master: Add functional tests for [cinder]/cross_az_attach=False https://review.opendev.org/684141
17:39:11	openstackgerrit	Artom Lifshitz proposed openstack/nova master: Stop filtering out 'accepted' for in-progress migrations https://review.opendev.org/684409
18:14:22	KeithMnemonic	mriedem,sean-k-mooney: What was not fixed is perception. The 3 items needed are not something we do by default in our release
18:14:47	KeithMnemonic	so for the customer since they do they after install, it was their view it was not fixed
18:15:01	mriedem	ack
18:20:25	KeithMnemonic	and ideally I think their "pie in the sky" is for the amount of storage/usage on their backend to be used in anything that shows consumption or checks free space
18:24:18	openstackgerrit	Merged openstack/nova master: Reject migration with QoS port from conductor if RPC pinned https://review.opendev.org/683948
18:24:41	mriedem	KeithMnemonic: let me guess, they are using ceph?
18:25:02	mriedem	and confused about nova saying they have $num_computes x total ceph pool size of storage?
18:25:37	mriedem	KeithMnemonic: or you mean to use cinder for all storage rather than local disk on the compute hosts, e.g. volume-backed everywhere?
18:26:08	mriedem	the latter has details in https://review.opendev.org/#/c/511965/
18:26:26	mriedem	the former https://review.opendev.org/#/c/650188/
18:26:39	KeithMnemonic	second, they needed large root volumes, so until they applied the 3 steps, they did not understand why a backend with 50 TB was complaining about no space ;-)
18:27:39	mriedem	tbc i think the only thing you really need in rocky to properly track disk usage for volume-backed servers in nova is to disable the DiskFilter
18:28:11	mriedem	that removes the root disk filtering and claims during scheduling/build and what the resource tracker reports out of the hypervisors API
18:28:25	mriedem	the zero_disk_flavor policy thing is more tied to a security issue than anything
18:32:49	openstackgerrit	Matt Riedemann proposed openstack/nova master: Handle legacy request spec dict in ComputeTaskManager._cold_migrate https://review.opendev.org/680762
18:32:50	openstackgerrit	Matt Riedemann proposed openstack/nova master: Isolate request spec handling from _cold_migrate https://review.opendev.org/680763
18:32:56	mriedem	gibi: stephenfin: ^ was approved but needed to be rebased if one of you can re-approve
18:33:52	mriedem	ah crap i missed something gibi changed, sec
18:37:26	openstackgerrit	Matt Riedemann proposed openstack/nova master: Handle legacy request spec dict in ComputeTaskManager._cold_migrate https://review.opendev.org/680762
18:37:27	openstackgerrit	Matt Riedemann proposed openstack/nova master: Isolate request spec handling from _cold_migrate https://review.opendev.org/680763
18:59:00	openstackgerrit	Matt Riedemann proposed openstack/nova master: Make nova-next multinode and drop tempest-slow-py3 https://review.opendev.org/683988
19:41:55	openstackgerrit	Akihiro Motoki proposed openstack/nova master: doc: Improve PDF document structure https://review.opendev.org/682746
19:50:38	openstackgerrit	Matt Riedemann proposed openstack/nova master: Add heal_instance_mappings command https://review.opendev.org/655908
19:54:52	openstackgerrit	Walter A. Boring IV (hemna) proposed openstack/nova stable/pike: WIP: Avoid redundant initialize_connection on source post live migration https://review.opendev.org/683008
19:59:06	mriedem	♪ jesus just left chicago ♪
20:01:21	dansmith	I approve.
20:22:25	openstackgerrit	François Palin proposed openstack/nova master: Add retry when attachment_delete or terminate_connection fails https://review.opendev.org/669674
20:34:12	openstackgerrit	Matt Riedemann proposed openstack/nova master: Add heal_instance_mappings command https://review.opendev.org/655908
23:26:19	openstackgerrit	Dustin Cowles proposed openstack/nova master: Provider Config File: Merge provider configs to provider tree https://review.opendev.org/676522
#openstack-nova - 2019-09-25
01:00:37	openstackgerrit	Matt Riedemann proposed openstack/nova master: Make nova-next multinode and drop tempest-slow-py3 https://review.opendev.org/683988
03:55:43	openstackgerrit	Merged openstack/nova master: Handle legacy request spec dict in ComputeTaskManager._cold_migrate https://review.opendev.org/680762
03:55:49	openstackgerrit	Merged openstack/nova master: Isolate request spec handling from _cold_migrate https://review.opendev.org/680763
07:28:26	openstackgerrit	Jacek Tomasiak proposed openstack/nova master: Ensure volume filesystems are mounted on resume https://review.opendev.org/684290
07:29:19	openstackgerrit	Luyao Zhong proposed openstack/nova master: doc: attaching virtual persistent memory to guests https://review.opendev.org/680300
07:42:37	openstackgerrit	Balazs Gibizer proposed openstack/nova master: Reset forced_destination before migration at a proper time https://review.opendev.org/684546
07:42:37	openstack	bug 1845291 in OpenStack Compute (nova) "migration is not recheduled if the server originally booted with --availability-zone :" [Undecided,New] https://launchpad.net/bugs/1845291 - Assigned to Balazs Gibizer (balazs-gibizer)
07:42:37	openstackgerrit	Balazs Gibizer proposed openstack/nova master: Functional reproduction for bug 1845291 https://review.opendev.org/684545
07:42:51	openstackgerrit	Sundar Nadathur proposed openstack/nova master: ksa auth conf and client for Cyborg access https://review.opendev.org/631242
07:42:52	openstackgerrit	Sundar Nadathur proposed openstack/nova master: Create and bind Cyborg ARQs. https://review.opendev.org/631244
07:42:52	openstackgerrit	Sundar Nadathur proposed openstack/nova master: Add Cyborg device profile groups to request spec. https://review.opendev.org/631243
07:42:53	openstackgerrit	Sundar Nadathur proposed openstack/nova master: Delete ARQs for an instance when the instance is deleted. https://review.opendev.org/673735
07:42:53	openstackgerrit	Sundar Nadathur proposed openstack/nova master: Get resolved Cyborg ARQs and add PCI BDFs to VM's domain XML. https://review.opendev.org/631245
07:42:54	openstackgerrit	Sundar Nadathur proposed openstack/nova master: [WIP] add cyborg tempest job https://review.opendev.org/670999
07:59:36	openstackgerrit	Balazs Gibizer proposed openstack/nova master: Move HostNameWeigher to a common fixture https://review.opendev.org/683874
09:22:54	openstackgerrit	Balazs Gibizer proposed openstack/nova stable/pike: Delete instance_id_mappings record in instance_destroy https://review.opendev.org/684658
09:28:24	openstackgerrit	Chris Dent proposed openstack/nova master: Correct link to placement upgrade notes https://review.opendev.org/684661
09:30:51	openstackgerrit	Balazs Gibizer proposed openstack/nova master: Mask the token used to allow access to consoles https://review.opendev.org/220622
10:29:21	openstackgerrit	Merged openstack/nova master: Remove upgrade specific info from user facing exception text https://review.opendev.org/684253
10:37:04	openstackgerrit	Merged openstack/python-novaclient master: Add a check for --config-drive option on nova boot https://review.opendev.org/653683
10:37:48	openstackgerrit	Chris Dent proposed openstack/nova master: single pass instance info fetch in host manager https://review.opendev.org/623558
11:30:26	openstackgerrit	zhurong proposed openstack/nova master: [WIP] add cyborg tempest job https://review.opendev.org/670999
11:32:04	gibi	stephenfin, alex_xu: do you have ideas how we will do the nova project update in Shanghai?
11:43:03	cdent	stephenfin: this is a nova docs change driven by the structural changes in the placement docs: https://review.opendev.org/#/c/684661/
12:06:44	stephenfin	gibi: Haven't a clue. I was hoping efried would just give us slides and we'd use those \o/
12:07:10	gibi	stephenfin: :)
12:26:57	donnyd	did we ever get that grenade thing sorted out?
12:55:58	mriedem	stephenfin: you might want to propose wording for the pcpu stuff you want to see in https://review.opendev.org/#/c/683327/
12:56:31	mriedem	i guess just something like, "It's now possible to place pinned and unpinned instances on the same host when using the libvirt driver."?
12:56:59	stephenfin	basically, yeah. tbh, I was hoping someone less in the trenches would be able to provide exact wording to make sure I was assuming too much
12:57:01	stephenfin	if that makes sense
12:57:47	mriedem	alex_xu: can you review the vpmem docs today? https://review.opendev.org/#/c/680300/ - rc1 is tomorrow
12:58:08	mriedem	pinned and unpinned + same host + libvirt seems generic enough to me
12:58:20	mriedem	i'd rebase the prelude on the actual admin docs patch and just link to that for details
12:58:28	mriedem	i can make that change
13:06:18	mriedem	stephenfin: who else reviewed the pcpu series that can review those docs?

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