+++ This bug was initially created as a clone of Bug #1824123 +++
+++ This bug was initially created as a clone of Bug #1824112 +++
Description of problem:
The following fix is required in os-brick by bug 1805677 and the associated backports through 16.1, 15 and 13.
rbd: Use showmapped to find the root RBD device during disconnect_volume
https://review.opendev.org/#/c/720178/
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory (Red Hat OpenStack Platform 13.0 director bug fix advisory), and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHBA-2020:4388