[ClusterLabs] Antw: Re: meatware stonith

Digimer lists at alteeve.ca
Thu Sep 27 12:36:37 EDT 2018

On 2018-09-27 03:13 AM, Kristoffer Grönlund wrote:
> On Thu, 2018-09-27 at 02:49 -0400, Digimer wrote:
>> On 2018-09-27 01:54 AM, Ulrich Windl wrote:
>>>>>> Digimer <lists at alteeve.ca> schrieb am 26.09.2018 um 18:29 in
>>>>>> Nachricht
>>> <1c70b5e2-ea8e-8cbe-3d83-e207ca47ba95 at alteeve.ca>:
>>>> On 2018-09-26 11:11 AM, Patrick Whitney wrote:
>>>>> Hey everyone,
>>>>> I'm doing some pacemaker/corosync/dlm/clvm testing.  I'm
>>>>> without a power
>>>>> fencing solution at the moment, so I wanted to utilize
>>>>> meatware, but it
>>>>> doesn't show when I list available stonith devices (pcs stonith
>>>>> list).
>>>>> I do seem to have it on the system, as cluster-glue is
>>>>> installed, and I
>>>>> see meatware.so and meatclient on the system, and I also see
>>>>> meatware
>>>>> listed when running the command 'stonith -L' 
>>>>> Can anyone guide me as to how to create a stonith meatware
>>>>> resource
>>>>> using pcs? 
>>>>> Best,
>>>>> -Pat
>>>> The "fence_manual" agent was removed after EL5 days, a loooong
>>>> time ago,
>>>> because it so often led to split-brains because of misuse. Manual
>>>> fencing is NOT recommended.
>>>> There are new options, like SBD (storage-based death) if you have
>>>> a
>>>> watchdog timer.
>>> And even if you do not ;-)
>> I've not used SBD. How, without a watchdog timer, can you be sure the
>> target node is dead?
> You can't. You can use the Linux softdog module though, but since it is
> a pure software solution it is limited and not ideal.

That was my understanding, thank you.

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