| tojuvone | Btw, testing now with using the downloading feature as well as live migration. Now should just build the devstack plugins for the same | 06:53 |
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| tojuvone | And we needs multinode for that. At least controller + 3 compute to make sense | 06:54 |
| dangtrinhnt | cool | 06:55 |
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| openstackgerrit | Tomi Juvonen proposed x/fenix master: Add live migration support https://review.opendev.org/657390 | 08:16 |
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| tojuvone | Analyzed why live migration might have failure first and if cannot configure Nova this might be a bug need fixing. | 10:33 |
| tojuvone | The thing is that the live migration target host has earlier had a member of the same antiaffinity group that the isntance we are currently migratin to this host | 10:35 |
| tojuvone | antiaffinity filter will fail still some time, while host is empty | 10:36 |
| tojuvone | I have seen similar problems since couple of year testing this, but at that time problem was permanent | 10:36 |
| tojuvone | No it works after a time | 10:37 |
| tojuvone | Earlier I had a piece of code hacked in nova antiaffinity scheduling, where I always update the antiaffinity group and it then worked | 10:37 |
| tojuvone | Need to seek more if update can be faster in Nova by configuration or need to make a bug | 10:39 |
| tojuvone | This is crucial for Fenix optimizing the rolling upgrade | 10:40 |
| tojuvone | so earlier group member was moved away from target host only 25s before attempt to move other member to this host | 11:06 |
| tojuvone | this live migration will fail still 70s after the instance have been moved away from target host and then live migration start to work again | 11:07 |
| tojuvone | I am expecting this hits from some 60s DB sync interval | 11:07 |
| tojuvone | I will try changing db_check_interval=20 if it helps and test it | 11:10 |
| tojuvone | oh.. that is not the correct one. Hope I want some config option for this in nova | 11:12 |
| tojuvone | find | 11:12 |
| tojuvone | Let's see: track_instance_changes=true and scheduler_instance_sync_interval=30 | 11:26 |
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