[PATCH] Add replicated database model to ctdb

[Stefan Metzmacher]

Hi Amitay,

> CTDB has two database models:
> 
> 1. Persistent databases - replicated and permanent
> 2. Volatile database - distributed and temporary
> 
> This patch set adds a new database model
> 
> 3. Replicated database - replicated and temporary
> 
> The main purpose of this database model is store ctdb state information
> which requires to be replicated across the cluster.  Currently different
> types of state information is replicated using different methods.  With
> this database model, we can get rid of various ad-hoc methods and use a
> consistent API for cluster-wide state replication.

As a site note: do you think it would be possible to introduce
something like replicated/persistent records to the Volatile database
model? I guess it would be useful for persistent handles in future.

metze


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