Live migration failed with "Lack of memory (host:Minus value <= instance:XXXX)"
Issue
Live migration failed with
ERROR (BadRequest): Migration pre-check error: Unable to migrate XXXXXX to overcloud-compute-01: Lack of memory(host:-10883 <= instance:2048) (HTTP 400) (Request-ID: req-XXXXXX-XXXXXX)
However the destination compute is not under memory pressure.
# free
total used free shared buff/cache available
Mem: 65402760 28484668 23400848 9980 13517244 35737280
Swap: 196083708 24 196083684
Environment
- Red Hat OpenStack Platform 7
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