[Linux-cluster] Graceful Degradation

[Gordan Bobic]

Roger Peña wrote:

>>>>> I thinks this is question #1 in the FAQs and in
>>>> this
>>>>> list :-)
>>>>>
>>>>> the short anwser and the first place to look at
>>>> is:
>>>>> 1- fencing not configured or configured as
>> manual
>>>>> 2- fencing problems, the devices not working as
>>>> they
>>>>> should
>>>> The problem is that I don't have any devices I
>> could
>>>> do fencing with. Is
>>> you do not have:
>>> 1- shared storage? usually, the "server" of the
>> shared
>>> storage have a way to cut the storage to a client,
>> so
>>> this can serve as a fencing device
>>> 2- what kind of server do you have? HP servers has
>>> iLo, SUN and Dell servers have something similar.
>> so
>>> those interfaces can act as fencing devices
>> I have Dell servers, but nothing that can be used to
>> monitor them.
> So, those servers do not have support for DRAC or IPMI
> ? that is sad
> if they do, well, I guess you can reboot them remotely

They do have DRAC support, but I don't see how that can be used for 
monitoring/fencing. Am I missing something?

Gordan