Hi All,

I’m facing some issues with instance migration in production and need advice:

Migrations are taking longer than expected—any tips to handle delays?
When the host is fully utilized or overcommit ratio is high, migration sometimes fails with "valid host not found". Are there other common causes?
Can we use a separate network interface for migration in OpenStack, and is it recommended?

Any guidance or references would be appreciated.

Thanks,

Thamanna Farhath N

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