Create instance fails with error "Executable not found: tgtadm"

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Environment
Red Hat OpenStack Platform 7.2
IPSAN storage

Issue
1)Overcloud create successful
2)Create instance fails with block storages

vi volume.log

2016-12-15 15:18:24.622 14140 ERROR oslo_messaging._drivers.common [req-cf30cf72-33ec-4c54-ac8e-f23b0fea8e7c d2a36084a23e4ff2a60e13dbb627b59e 34e7f3887382401fad0883ea4e3dc6ed - - -] Returning exception Unexpected error while running command.
Command: sudo cinder-rootwrap /etc/cinder/rootwrap.conf tgtadm --lld iscsi --op show --mode target
Exit code: 96
Stdout: u''
Stderr: u'/usr/bin/cinder-rootwrap: Executable not found: tgtadm (filter match = tgtadm)\n' to caller

[root@overcloud-controller-0 cinder]# service target status
Redirecting to /bin/systemctl status  target.service
● target.service - Restore LIO kernel target configuration
   Loaded: loaded (/usr/lib/systemd/system/target.service; enabled; vendor preset: disabled)
   Active: active (exited) since Tue 2016-12-13 17:18:27 CST; 2 days ago
 Main PID: 21511 (code=exited, status=0/SUCCESS)
   CGroup: /system.slice/target.service

Warning: Journal has been rotated since unit was started. Log output is incomplete or unavailable.

[root@overcloud-controller-0 yum.repos.d]# tgtadm --lld iscsi --op show --mode target
bash: tgtadm: command not found

I think tgtadm command has changed to "targetcli" since Red Hat 7.2, I Googled it but I not find how to continue using tgtadm in Red Hat 7.2.
It's better not modify the code.

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