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Both "pcs cluster help" and "man pcs" incorrectly state that udpu is the default transport on RHEL6:

# rpm -q pcs
pcs-0.9.123-9.el6_6.2.x86_64
# pcs cluster help

Usage: pcs cluster [commands]...
...


--transport allows specification of corosync transport (default: udpu)
...
Configuring Redundant Ring Protocol (RRP)

When using udpu (the default) specifying nodes, specify the ring 0
...

Maybe this can be corrected.



Thanks to Frank Danapfel for pointing this out.
We should also take a look at the new cluster dialog in web UI.

Created attachment 1074901 [details]
proposed fix

help and man page changes only

Before Fix:
[root@rh67-node1 ~]# rpm -q pcs
pcs-0.9.139-9.el6_7.1.x86_64
Run "pcs cluster help setup". It is stated that udpu is the default transport.



After Fix:
[root@rh67-node1:~]# rpm -q pcs
pcs-0.9.145-1.el6.x86_64
Run "pcs cluster help setup". It is stated that udp is the default transport on RHEL 6.

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-2016-0739.html