On 2011-06-14 13:08, Dejan Muhamedagic wrote:
> Hi Alan,
> 
> On Mon, Jun 13, 2011 at 10:32:02AM -0600, Alan Robertson wrote:
>> On 06/13/2011 04:12 AM, Simon Talbot wrote:
>>> A couple of observations (I am sure there are more) on the uniqueness flag 
>>> for OCF script parameters:
>>>
>>> Would it be wise for the for the index parameter of the SFEX ocf script to 
>>> have its unique flag set to 1 so that the crm tool (and others) would warn 
>>> if one inadvertantly tried to create two SFEX resource primitives with the 
>>> same index?
>>>
>>> Also, an example of the opposite, the Stonith/IPMI script, has parameters 
>>> such as interface, username and password with their unique flags set to 1, 
>>> causing erroneous warnings if you use the same interface, username or 
>>> password for multiple IPMI stonith primitives, which of course if often the 
>>> case in large clusters?
>>>
>>
>> When we designed it, we intended that Unique applies to the complete set 
>> of parameters - not to individual parameters.  It's like a multi-part 
>> unique key.  It takes all 3 to create a unique instance (for the example 
>> you gave).
> 
> That makes sense. 

Does it really? Then what would be the point of having some params that
are unique, and some that are not? Or would the tuple of _all_
parameters marked as unique be considered unique?

Florian

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