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Description of problem:

When try to create fcoe target via this command in targetcli:
===
/> /tcm_fc/ create 20:00:00:1b:21:59:12:36
Invalid wwn 20:00:00:1b:21:59:12:36 for tcm_fc fabric 
===

The root cause if this is just fcoe-target daemon not start.

Please check fcoe-target daemon or kernel module's existence before complain about no WWPN found.

Version-Release number of selected component (if applicable):
fcoe-target-utils-2.0rc1.fb10-3.el6.noarch

How reproducible:
100%

Steps to Reproduce:
1. Execute targetcli without fcoe-target daemon started.
2. execute this command (replace the WWPN with correct one)
===
/tcm_fc/ create 20:00:00:1b:21:59:12:36
===
3.
  
Actual results:
Complained about no WWPN found.

Expected results:
Provide correct info about error.

Additional info:
Miss lead error message could waste too much time of user/customer or cause unnecessary support call.

Requesting blocker for 6.3

fcoe-target-utils-2.0rc1.fb10-5.el6.noarch will check daemon status when execute targetcli.

VERIFY.

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.

http://rhn.redhat.com/errata/RHBA-2012-0854.html