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[Alvaro Uría <1661772@xxxxxxxxxxxxxxxxxx>]

** Changed in: nova
       Status: Expired => New

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https://bugs.launchpad.net/bugs/1661772

Title:
  nova placement problems with low compute node storage available

Status in OpenStack nova-cloud-controller charm:
  Invalid
Status in OpenStack Compute (nova):
  New
Status in nova-cloud-controller package in Juju Charms Collection:
  Invalid

Bug description:
  Nova-scheduler cannot identify placement host when raw image size is
  greater than available local storage, even when using raw image,
  show_image_direct_url=1, and ceph ephemeral storage, such that glance
  images would never land on local node storage.

  Have following configuration for glance:
    juju config glance api-config-flags='show_image_direct_url=true' 
    juju config glance registry-config-flags='show_image_direct_url=true'

  
  Worked around issue by allowing storage over-commit using:
    juju config nova-cloud-controller config-flags="disk_allocation_ratio=5.0"

  This is workaround is not ideal when working with qcow images which
  will require local nova-compute node storage for raw conversion.

  nova-cloud-controller and nova-compute logs attached

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