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. I can't find anything about that in the OCF
standard though. Do you have a link to discussion or similar?

Cheers,

Dejan

> 
> -- 
>      Alan Robertson<[email protected]>
> 
> "Openness is the foundation and preservative of friendship...  Let me claim 
> from you at all times your undisguised opinions." - William Wilberforce
> 
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