https://bugs.launchpad.net/nova/+bug/1709902 duplcates this, and that
one has code, so invalidating this one.
** Changed in: nova
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/1661312
Title:
Evacuation will corrupt instance allocations
Status in OpenStack Compute (nova):
Invalid
Bug description:
The following sequence of events will result in a corrupted instance
allocation in placement:
1. Instance running on host A, placement has allocations for instance on host
A
2. Host A goes down
3. Instance is evacuated to host B, host B creates duplicated allocations in
placement for instance
4. Host A comes up, notices that instance is gone, deletes all allocations
for instance on both hosts A and B
5. Instance now has no allocations for a period
6. Eventually, host B will re-create the allocations for the instance
The period between #4 and #6 will have the scheduler making bad
decisions because it thinks host B is less loaded than it is.
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