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Description of problem:
The lack of -n/--plug support in fence_mpath makes users unable to use a single fence device for all their nodes.

Version-Release number of selected component (if applicable):


How reproducible:
100%

Steps to Reproduce:
1. Setup fence_mpath
2. Look for WARNING:root:Parse error: Ignoring unknown option 'port=<NODENAME>' errors in the logfile.
3.

Actual results:
Error seen in logfile, and hostname/pcmk_host_map ignored.

Expected results:
hostname/pcmk_host_map used for key unless --key specified (for backwards compatibility).

Additional info:
https://github.com/ClusterLabs/fence-agents/pull/295

Oyvind, IIRC, this came up recently, and the straightforward workaround
appeared to be to configure "pcmk_host_argument" meta attribute as "key",
then to configure "pcmk_host_map" as
"NODE1:<KEY-FOR-NODE1>;NODEx:<KEY-FOR-NODEx>"

Correct?

Just that the surrounding know-how is compressed & archived somewhere...

Correct. That's explained in the kbase document for the RHEL7 clone of this bz, which I've just added to this bz as well.

Additional fixes found by QE in RHEL7 bz: https://github.com/ClusterLabs/fence-agents/pull/298

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://access.redhat.com/errata/RHBA-2020:1580