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[Matt Riedemann <mriedem.os@xxxxxxxxx>]

*** This bug is a duplicate of bug 1666831 ***
    https://bugs.launchpad.net/bugs/1666831

I think this may have been fixed with
https://review.opendev.org/#/c/566367/.

** Tags added: ceph libvirt

** This bug has been marked a duplicate of bug 1666831
   Nova recreates instance directory after migration/resize

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https://bugs.launchpad.net/bugs/1794647

Title:
  unnecessary inst_base was created

Status in OpenStack Compute (nova):
  In Progress

Bug description:
  Description
  ===========
  When migrating to other hosts, if inst_base is on shared storage, it will recreate inst_base after moving inst_base to inst_base_resize. But rbd backend is treated as shared storage too, it will create inst_base on source host also. In this situation, even if the resize finished, the inst_base on source host will still exist. This wll trigger errors when live-migration to the source host.

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