[Linux-ha-dev] LRM / CRM: RA Metadata

[Lars Marowsky-Bree]

On 2004-06-29T08:48:15,
   Andrew <lists at beekhof.homeip.net> said:

> After consultation with Lars, we would like to request the following 
> modifications to the LRM/CRM interface.
> 
> - The LRM to send back all the metadata from OCF RAs when the list of 
> supported RAs is requested.
> 
> - Underneath the LRM might be able to cache the query based on file 
> modification times (just an idea).
> 
> - It would no longer be required for the LRM to fill in defaults for 
> RAs that dont have them (such as those of type lsb).
> 
> 
> The CRM would then filter the metadata as needed and place the required 
> info in a special section in the CIB with the "primary keys" being RA 
> class and type.  This is in an attempt to reduce duplication and bloat 
> in the CIB.
> 
> Version numbers would be treated separately as it is not 
> expected/required that all nodes will have the same version of an RA.
> 
> Anyone caught having inconsistent metadata for the same RA on different 
> machines or between versions will be shot on sight.
> 
> The metadata would then be used in a hierarchy of information where it 
> overrides global defaults and is in turn superseded by values specific 
> to a resource instance.
> 
> Does this sound acceptable to people?

Seems to sum up our discussion very well, thanks for the summary
posting.

Now lets hear from the LRM guys ;-)


Sincerely,
    Lars Marowsky-Brée <lmb at suse.de>

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