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Description of problem:
after disable the user_friendly_name then restart multipathd, the multipathed device name is not changed to wwid name.

cannot see this issue after switch non-user_friendly_name to user_friendly_name.

Version-Release number of selected component (if applicable):
[root@storageqe-09 ~]# rpm -qa|grep mult
device-mapper-multipath-0.4.9-56.el6.x86_64
device-mapper-multipath-libs-0.4.9-56.el6.x86_64

How reproducible:
100%

Steps to Reproduce:
1. enable user_friendly_name and start multipathd
2. multipath -v2 to list the device
3. disable user_friendly_name then restart multipathd
4. execute multipath -ll

Actual results:
still see the user friendly name

Expected results:
should see the wwid name

Additional info: for details please refer to multipathd.log

any comments on this bz.

This request was not resolved in time for the current release.
Red Hat invites you to ask your support representative to
propose this request, if still desired, for consideration in
the next release of Red Hat Enterprise Linux.

This request was erroneously removed from consideration in Red Hat Enterprise Linux 6.4, which is currently under development.  This request will be evaluated for inclusion in Red Hat Enterprise Linux 6.4.

Fixed.  Device names will now switch back to WWIDS on reload.

VERIFY device-mapper-multipath-0.4.9-63.el6.x86_64

service multipathd reload will rename mpath if user_friendly_name changed.

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-2013-0458.html