[ovirt-users] question regarding fencing proxies

[Gianluca Cecchi]

Il 14/Gen/2017 13:08, "Martin Perina" <mperina at redhat.com> ha scritto:

Hi,

engine executes power management (fencing) operation using different host
in the same cluster/DC as target host reside. It's an oVirt requirement
that each host in the same cluster and data center is able to connect to
power management deviced of all other hosts in the same cluster/DC.
​

Here's simplified flow for defaults (fence proxy may be selected in the
same cluster or DC)

1. Find all existing hosts in the same cluster​ which don't have connection
issues (status Up, Maintenance, NonOperational for a reason different than
network issues)


Ok



6. Select first host in Up (if no host is Up, then pick any other host, if
no host found then fail and exit) and try to execute fence operation


Ok.
I presume that from the list of step 6 you exclude the hosts you got from
step 1 that are a subset of it.
Otherwise you risk to try fence from an host that already failed three
times to do so...
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