[Linux-cluster] Back to the problem of unicity of cluster_id

[rhurst at bidmc.harvard.edu]

Do you know when U5 be available from RHN?


On Tue, 2007-05-08 at 09:03 +0100, Patrick Caulfield wrote:

> Alain Moulle wrote:
> > Hi
> > About the problem of unicity of cluster_id generated by cnxman (see a
> > copy of my old email on the ML just below), is there something fixed
> > in new versions (U5?) ? or is there a possibility to set a cluster_id
> > directly in cluster.conf instead of the cluster_name ?
> 
> 
> Yes U5 has a
> 
> <cman cluster_id="x"/>
> 
> attribute.
> 
> I'm not changing the generation algorithm as it would break upgrades, and anyway
> it's impossible to guarantee uniqueness of a 16 bit number generated from a <=15
> character string - someone will always hit a duplicate!
> 
> 

Robert Hurst, Sr. Caché Administrator
Beth Israel Deaconess Medical Center
1135 Tremont Street, REN-7
Boston, Massachusetts   02120-2140
617-754-8754 ∙ Fax: 617-754-8730 ∙ Cell: 401-787-3154
Any technology distinguishable from magic is insufficiently advanced.
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