A question about nova live-migration across AZ

Yingji Sun yingjisun at vmware.com
Tue Aug 31 01:17:06 UTC 2021


I can migration nova instance across available zones with the command below. Suppose instance is in AZ1 and host is in AZ2.

nova --os-compute-api-version 2.67 live-migration --force [--block-migrate] <server> [<host>]

After migration, the instance’s available zone is changed to AZ2.

However, the available zone information in request_specs was not changed.

So next time when trying to migrate the instance without specifying a target, the migration target will be selected through nova scheduler, by the availability zone value (AZ1) saved in request_specs. This caused some error.

Is this an expected behavior ?

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