nova/releasenotes/notes/bug-1878024-reserve-disk-fo...

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---
fixes:
- |
A new ``[workarounds]/reserve_disk_resource_for_image_cache`` config
option was added to fix the `bug 1878024`_ where the images in the compute
image cache overallocate the local disk. If this new config is set then the
libvirt driver will reserve DISK_GB resources in placement based on the
actual disk usage of the image cache.
.. _bug 1878024: https://bugs.launchpad.net/nova/+bug/1878024