[Pacemaker] Confusing semantics of colocation sets

[Andreas Kurz]

On 07/02/2012 08:28 PM, Phil Frost wrote:
> On 07/02/2012 12:50 PM, Dejan Muhamedagic wrote:
>> What is being mangled actually? The crm shell does what is
>> possible given the pacemaker RNG schema. It is unfortunate that
>> the design is slightly off, but that cannot be fixed in the crm
>> syntax.
> 
> I will demonstrate my point by offering a quiz to the list. Tell me,
> without running these examples, what effect they will have:
> 
> [1] colocation foo inf: a b ( c:Master d )

whenever you change the Role an extra set is created .... no different
roles in a resource set ... and between colocation-sets the direction of
dependencies is like in a simple 2-resource colocation

Regards,
Andreas

-- 
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> [2] colocation foo inf: a b
> [3] colocation foo inf: a b c
> [4] colocation foo inf: a b c:Master
> 
> Hints:
> 
> - there are three resource sets in [1]
> - [2] is not a subnet of [3]
> - [4] is not ordered a, b, c
> 
> 
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