Red Hat Bugzilla – 1375079 – [downstream clone - 3.6.9] Failure to create a template with QCOW2 disks on iscsi domains (RHEL 7.3 LVM changed return code)
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, 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://rhn.redhat.com/errata/RHEA-2017-0108.html