Posted	Nick	Remark
#openstack-nova - 2018-03-29
05:53:16	takashin
06:16:31	openstackgerrit	OpenStack Proposal Bot proposed openstack/nova master: Imported Translations from Zanata https://review.openstack.org/548772
06:22:41	openstackgerrit	Naichuan Sun proposed openstack/nova master: xenapi(N-R-P): Add API to support vgpu resource provider create https://review.openstack.org/520313
06:26:33	openstackgerrit	Naichuan Sun proposed openstack/nova master: xenapi(N-R-P): Add API to support vgpu resource provider create https://review.openstack.org/520313
06:48:04	openstackgerrit	Tetsuro Nakamura proposed openstack/nova stable/queens: add check before adding cpus to cpuset_reserved https://review.openstack.org/557621
06:50:18	openstackgerrit	Tetsuro Nakamura proposed openstack/nova stable/pike: add check before adding cpus to cpuset_reserved https://review.openstack.org/557622
06:57:04	openstackgerrit	jichenjc proposed openstack/nova master: z/VM Driver: Spawn and destroy function of z/VM driver https://review.openstack.org/527658
06:57:04	openstackgerrit	jichenjc proposed openstack/nova master: z/VM Driver: Initial change set of z/VM driver https://review.openstack.org/523387
06:57:05	openstackgerrit	jichenjc proposed openstack/nova master: z/VM Driver: add power actions https://review.openstack.org/543340
06:57:05	openstackgerrit	jichenjc proposed openstack/nova master: z/VM Driver: add snapshot function https://review.openstack.org/534240
06:57:06	openstackgerrit	jichenjc proposed openstack/nova master: z/VM Driver: add get console output https://review.openstack.org/543344
07:22:39	openstackgerrit	jichenjc proposed openstack/nova master: Move update_task_state out of try/except https://review.openstack.org/557152
07:25:11	openstackgerrit	jichenjc proposed openstack/nova master: Fix issue for pep8 on py3 https://review.openstack.org/557633
07:36:45	openstackgerrit	do3meli proposed openstack/nova-specs master: Adds resize on shared storage without ssh keys https://review.openstack.org/551927
07:45:49	bauzas	good morning stackers
07:46:33	openstackgerrit	licanwei proposed openstack/nova master: Make nova-manage capable of syncing all cell databases https://review.openstack.org/519275
07:47:11	openstackgerrit	Rajesh Tailor proposed openstack/nova stable/pike: Allow force-delete even if task_state is not None https://review.openstack.org/543345
07:47:47	Spazmotic	Morning bauzas
08:21:01	gibi	morning folks
08:22:35	jichen	hi sahid: regarding https://review.openstack.org/#/c/523387/, for singleton, if we want to keep
08:22:37	jichen	it, we need take something like 'http://127.0.0.1' as array key, do you think that's reasonable ?
08:54:00	sahid	jichen: oh i see what you mean, that's because of the parameters
08:54:30	jichen	sahid; yes, so that's why I want to avoid the singleton , you ok with that?
08:55:24	sahid	jichen: but you told me that, if we don't do a singleton we are going to create multipl connection, no?
08:57:26	sahid	jichen: so my thinking is that, only Hypervisor is handling call and you pass an instance of Hypervisor to your Guest class
08:58:12	sahid	jichen: i will write my thinking on your patches soon
08:59:51	gibi	jaypipes: I don't know if you saw the latest development in the bandwidth spec. I added a summary of the 3 open issues to PS22 https://review.openstack.org/#/c/502306/22
09:03:23	jichen	sahid: ok, got it thanks for the info and help , I will take a look at that patch :)
09:03:49	openstackgerrit	Naichuan Sun proposed openstack/nova master: (WIP)xenapi(N-R-P): Add API to support compute node resource provider update and create https://review.openstack.org/521041
09:03:50	sahid	jichen: but wait i will think a bit more about all of that
09:04:27	jichen	sure , thanks , sahid
09:07:24	openstackgerrit	Naichuan Sun proposed openstack/nova master: (WIP)xenapi(N-R-P): Add API to support compute node resource provider update and create https://review.openstack.org/521041
09:18:06	openstackgerrit	Yikun Jiang (Kero) proposed openstack/nova master: [WIP] Add microversion to support extra_specs in flavor API. https://review.openstack.org/554159
09:23:07	sahid	jichen: what is returned by zvm when calling example 'guest_list'
09:23:20	sahid	how zvm is representing a guest?
09:25:14	jichen	sahid: a guest is defined by a plain text such as following (xxxx is device, memory etc)
09:25:15	jichen	USER TEST0004 1024M 1024M
09:25:17	jichen	xxxx
09:25:18	jichen	xxxx
09:25:43	jichen	guest_list will return an array such as ['test0001', 'test0002'] which is a list of guest name managed by openstack
09:26:10	sahid	i see
09:26:58	sahid	jichen: i commented on two of your patches
09:27:03	sahid	let me know your thinking
09:27:13	jichen	sahid, thank you ,let me take a look
09:37:16	openstackgerrit	Claudiu Belu proposed openstack/nova master: vmware: Fixes _detach_instance_volumes method https://review.openstack.org/557377
09:48:11	openstackgerrit	Naichuan Sun proposed openstack/nova master: xenapi(N-R-P): Add API to support vgpu resource provider create https://review.openstack.org/520313
09:51:48	openstackgerrit	Naichuan Sun proposed openstack/nova master: xenapi(N-R-P): Add API to support vgpu resource provider create https://review.openstack.org/520313
09:52:01	openstackgerrit	Naichuan Sun proposed openstack/nova master: xenapi(N-R-P):Get vgpu info from `allocations` https://review.openstack.org/521717
09:56:25	openstackgerrit	Elod Illes proposed openstack/nova stable/ocata: Set error state after failed evacuation https://review.openstack.org/518733
09:57:47	openstackgerrit	Merged openstack/nova stable/queens: Handle EndpointNotFound when building image_ref_url in notifications https://review.openstack.org/554963
09:57:53	openstackgerrit	Merged openstack/nova stable/queens: Always deallocate networking before reschedule if using Neutron https://review.openstack.org/555418
09:58:00	openstackgerrit	Merged openstack/nova stable/queens: Migrate tempest-dsvm-cells job to an in-tree job definition https://review.openstack.org/556656
11:24:25	sean-k-mooney[m]	sahid: hi, i just saw your comments on my mtu patch. ill respin with the extra unit tests hopefully today. i have a few minutes before my next meeting so ill see how much i can get done before 1
11:31:55	sahid	sean-k-mooney[m]: ok, once i can see the change i will update my review
11:46:13	openstackgerrit	Merged openstack/nova stable/pike: Allow force-delete even if task_state is not None https://review.openstack.org/543345
12:16:25	alex_xu_	efried: jaypipes are you around? a question about multi-function fpga
12:22:26	edmondsw	efried I replied to your question in https://review.openstack.org/#/c/546713
12:49:31	efried	alex_xu_: hello
12:52:03	alex_xu_	efried: good morning
12:52:31	efried	alex_xu_: Not sure I'm the person to answer questions about FPGAs, but I'll give it a shot :)
12:52:56	alex_xu_	efried: in the ptg, we only think about a fpga device only has one function, then we said create resource class for a whole device
12:53:16	alex_xu_	efried: but now, a device can support multi funciton, and each function can be assigned to different VM
12:53:30	alex_xu_	efried: actually it is placement question :)
12:54:11	alex_xu_	efried: so we should create RP for a device, and resource class is function, just like SRIOV device, a device provides multiple function
12:54:16	alex_xu_	does make sense
12:56:06	efried	alex_xu_: Yes, that is my understanding of how it will need to work. However, as you've seen from the dev ML, it can be more complicated than that.
12:57:01	efried	alex_xu_: For example, there seem to be FPGAs where, once you decide they're going to have a particular function on them, they can no longer have a different one. bauzas is running into the same thing for his VGPUs.
12:57:58	bauzas	right
12:59:23	alex_xu_	efried: bauzas yes, that is why i also think about we only support pre-programmed mode for the multi functions device
13:00:04	alex_xu_	and same type in the all the functions in a device
13:00:21	alex_xu_	if we want to support different function, we can create multiple RP for different type
13:00:53	efried	alex_xu_: Based on a config file or a user command. You're essentially talking about preconfiguring the physical function and locking down what virtual functions it's capable of.
13:01:11	efried	Which I think is probably an acceptable interim solution.
13:01:21	alex_xu_	efried: yea
13:01:22	efried	Though ultimately it would be nice to be dynamic
13:01:36	alex_xu_	yes, at least for now, that is what we can have
13:02:14	alex_xu_	efried: bauzas another problem is cyborg want to own some inventory info in his db and has filter to second level scheduling
13:02:59	alex_xu_	in cyborg db, the usage of functions and the fuction is record
13:03:07	alex_xu_	s/fuction/function type/
13:03:29	alex_xu_	for the usage of functions, that can be resolved by function as resource class
13:03:37	alex_xu_	for the function type we can use trait
13:04:11	alex_xu_	and I'm thinking tag the traits after cyborg burn bitstream to the fpga
13:04:26	alex_xu_	that is only support for single function device
13:08:54	efried	alex_xu_: If we're doing that via a "preconfigure" step, I can see it being acceptable. What I'm worried about jaypipes and dansmith having a cow about is if we do it e.g. based on the first time an allocation is made against the device.
13:10:06	alex_xu_	efried: for single function device, we will have RP for the device, the inventory is always 1
13:10:54	alex_xu_	that is different with GPU case
13:12:39	cdent	just a heads up to anyone listening; I'm pretty sure that the move of the placement related db tests into the placement hierarchy has tweaked something with the management of trait syncing, such that sometimes (only sometimes) a databsase reset is happening but the reset of the trait sync flag is not happening
13:12:46	openstackgerrit	Matthew Edmonds proposed openstack/nova master: PowerVM Driver: Network interface attach/detach https://review.openstack.org/546813
13:12:49	cdent	I'm fixing it (and will make bug etc)
13:13:03	mriedem	cdent: thanks
13:15:19	efried	edmondsw: Thanks for fixing that up.
13:15:21	alex_xu_	efried: are you saying the race case for the GPU tweak trait in the fly, just as you said in the ML. I see that case. But we won't have problem for the RP always has only 1 inventory
13:15:38	edmondsw	efried np
13:15:43	efried	mriedem: Sorry about that, I was in a hurry. Haste makes waist, or something.
13:16:18	efried	alex_xu_: I don't care about the race. We can't avoid that (I'm composing an answer to Sundar on that topic).
13:16:36	efried	alex_xu_: I don't think splitting into one RP per virtual function is going to help us.
13:16:51	mriedem	efried: what about your size 32 waist?
13:17:17	efried	mriedem: I haven't been a 32 since college. Probably because of haste.
13:17:26	edleafe	alex_xu_: efried: I think that this is similar to the discussion about NUMA configuration
13:17:29	alex_xu_	efried: you mean you don't care the reason of two level scheduling. or you mean you don't care the race for tweak inventory/traits in the fly?

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