Cannot upgrade OSP11 to OSP12: Overcloud upgrade failed due to: "The conditional check 'stat_iscsid_service.stat.exists' failed. The error was: error while evaluating conditional (stat_iscsid_service.stat.exists): 'stat_iscsid_service' is undefined"
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://access.redhat.com/errata/RHEA-2017:3462