19 lines
1.0 KiB
YAML
19 lines
1.0 KiB
YAML
---
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other:
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- |
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A new ``nova-manage placement heal_allocations`` CLI has been added to
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help migrate users from the deprecated CachingScheduler. Starting in
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16.0.0 (Pike), the nova-compute service no longer reports instance
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allocations to the Placement service because the FilterScheduler does
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that as part of scheduling. However, the CachingScheduler does not create
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the allocations in the Placement service, so any instances created using
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the CachingScheduler after Ocata will not have allocations in Placement.
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The new CLI allows operators using the CachingScheduler to find all
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instances in all cells which do not have allocations in Placement and
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create those allocations. The CLI will skip any instances that are
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undergoing a task state transition, so ideally this would be run when
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the API is down but it can be run, if necessary, while the API is up.
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For more details on CLI usage, see the man page entry:
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https://docs.openstack.org/nova/latest/cli/nova-manage.html#placement
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