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This bug has been copied from bug #1278369 and has been proposed
to be backported to 7.2 z-stream (EUS).

Verified on sanlock-3.2.4-2.el7_2.x86_64

1) Start with host RHEL7.1 - sanlock-3.2.2-2.el7.x86_64
2) Get two sanlock locks:
sanlock client status
daemon c094d046-98f8-4ee6-a714-bca06544be77.rose05.qa.
p -1 helper
p -1 listener
p -1 status
p 32347 
s c8b5968c-68e8-4ed6-b309-163fc9e148bb:1:/rhev/data-center/mnt/10.35.64.11\:_vol_RHEV_Virt_alukiano__HE__upgrade/c8b5968c-68e8-4ed6-b309-163fc9e148bb/dom_md/ids:0
s hosted-engine:1:/var/run/vdsm/storage/c8b5968c-68e8-4ed6-b309-163fc9e148bb/24ee7f20-f2eb-4734-9741-ead1eb66bcc2/b209bc7f-3154-430f-b9ef-0d3bd584e589:0
3) Update host to RHEL72 - sanlock-3.2.4-2.el7_2.x86_64
4) Check that sanlock and wdmd services up after update

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/RHBA-2016-0541.html