[Linux-ha-dev] LRM / CRM: RA Metadata
lmb at suse.de
Tue Jun 29 02:49:10 MDT 2004
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 overrides global defaults and is in turn superseded by values specific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
Now lets hear from the LRM guys ;-)
Lars Marowsky-Brée <lmb at suse.de>
High Availability & Clustering \ ever tried. ever failed. no matter.
SUSE Labs, Research and Development | try again. fail again. fail better.
SUSE LINUX AG - A Novell company \ -- Samuel Beckett
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