[ClusterLabs] difference between external/ipmi and fence_ipmilan

[Andrei Borzenkov]

On Wed, Jun 27, 2018 at 12:30 PM, Stefan K <Shadow_7 at gmx.net> wrote:
> Hi Kristoffer,
>
> ok I see, but why maintain both? Let a coin decide which one, but I think its not very helpful to maintain both.
>

Do you volunteer to implement automatic conversion to new agents
including parameters adjustment?

> best regards
> Stefan
>
>> Gesendet: Mittwoch, 27. Juni 2018 um 10:55 Uhr
>> Von: "Kristoffer Grönlund" <kgronlund at suse.com>
>> An: "Stefan K" <Shadow_7 at gmx.net>, users at clusterlabs.org
>> Betreff: Re: [ClusterLabs] difference between external/ipmi and fence_ipmilan
>>
>> "Stefan K" <Shadow_7 at gmx.net> writes:
>>
>> > OK I see, but it would be good if somebody mark one of this as deprecated and then delete it. So that noone get confused about these.
>> >
>>
>> The external/* agents are not deprecated, though. Future agents will be
>> implemented in the fence-agents framework, but the existing agents are
>> still being used (not by RH, but by SUSE at least).
>>
>> Cheers,
>> Kristoffer
>>
>> > best regards
>> > Stefan
>> >
>> >> Gesendet: Dienstag, 26. Juni 2018 um 18:26 Uhr
>> >> Von: "Ken Gaillot" <kgaillot at redhat.com>
>> >> An: "Cluster Labs - All topics related to open-source clustering welcomed" <users at clusterlabs.org>
>> >> Betreff: Re: [ClusterLabs] difference between external/ipmi and fence_ipmilan
>> >>
>> >> On Tue, 2018-06-26 at 12:00 +0200, Stefan K wrote:
>> >> > Hello,
>> >> >
>> >> > can somebody tell me the difference between external/ipmi and
>> >> > fence_ipmilan? Are there preferences?
>> >> > Is one of these more common or has some advantages?
>> >> >
>> >> > Thanks in advance!
>> >> > best regards
>> >> > Stefan
>> >>
>> >> The distinction is mostly historical. At one time, there were two
>> >> different open-source clustering environments, each with its own set of
>> >> fence agents. The community eventually settled on Pacemaker as a sort
>> >> of merged evolution of the earlier environments, and so it supports
>> >> both styles of fence agents. Thus, you often see an "external/*" agent
>> >> and a "fence_*" agent available for the same physical device.
>> >>
>> >> However, they are completely different implementations, so there may be
>> >> substantive differences as well. I'm not familiar enough with these two
>> >> to address that, maybe someone else can.
>> >> --
>> >> Ken Gaillot <kgaillot at redhat.com>
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>> --
>> // Kristoffer Grönlund
>> // kgronlund at suse.com
>>
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