[ClusterLabs] Antw: [EXT] Re: 2‑Node Cluster ‑ fencing with just one node running ?

Reid Wahl nwahl at redhat.com
Mon Aug 8 06:34:00 EDT 2022


On Monday, August 8, 2022, Ulrich Windl <Ulrich.Windl at rz.uni-regensburg.de>
wrote:
>>>> Reid Wahl <nwahl at redhat.com> schrieb am 07.08.2022 um 04:01 in
Nachricht
> <CAPiuu9_rvO1Xui3sWkEGNi5XqSu-OEqkBY9pmokwP-wrc5dwuA at mail.gmail.com>:
>> On Saturday, August 6, 2022, Strahil Nikolov via Users <
>> users at clusterlabs.org> wrote:
>>> By the way I remember a lot of problems with fence_ilo & fence_ilo_ssh
>> (due to ILO).
>>> If you receive timeouts use fence_ipmi (you have to enable IPMI in ILO).
>>> Best Regards,
>>> Strahil Nikolov
>>
>> Of the two, fence_ipmilan/fence_ilo is much more reliable than the
>> SSH-based agents in my experience.
>
> Trying to fence remotely via in-band (cluster network) in inherently
broken IMHO.

The fencing network isn't always the same as the cluster network (assuming
that the corosync network is what is meant there).

The other options of course are sbd and fabric fencing in environments that
support them.

>
>>
>>>
>>> On Thu, Aug 4, 2022 at 23:34, Reid Wahl
>>> <nwahl at redhat.com> wrote:
>>> _______________________________________________
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>>
>> --
>> Regards,
>>
>> Reid Wahl (He/Him)
>> Senior Software Engineer, Red Hat
>> RHEL High Availability - Pacemaker
>
>
>
>
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-- 
Regards,

Reid Wahl (He/Him)
Senior Software Engineer, Red Hat
RHEL High Availability - Pacemaker
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