Live migration failed with "Lack of memory (host:Minus value <= instance:XXXX)"

Solution In Progress - Updated -

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

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.

Current Customers and Partners

Log in for full access

Log In
Close

Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.