CTDB in Samba4

[Abhijith Das]

Hi Tridge,
The last time we talked about $SUBJECT, you mentioned that there are 
still a few subsystems that need to be ported to the new CTDB design. Is 
the code in a position to be tested with a cluster? If yes, can you 
point me to that, please?

> The one area where filesystem specific code is likely to be needed is
> some way of asking the filesystem what cluster nodes are
> present. Ideally we would also have a notifcation mechanism when new
> nodes are added. So far we have no hooks for this (we're just using a
> flat text file for the list of nodes), but that will change.
>
I'm going to work on adapting GFS and RedHat's cluster suite to be 
compatible with the new clustered samba design. Do you have a spec for 
what kind of support will be needed from the cluster filesystem and the 
cluster management framework? Are you aware of other cluster filesystem 
developers who are working to support this?
You mention an interface to obtain the node-membership. I'm guessing 
this is the membership of nodes currently mounting gfs and not the whole 
cluster's membership. We don't have this support currently. Also, a 
notification mechanism for nodes joining and leaving is a bit tricky. 
I'm hoping to design these with your input.

> Cheers, Tridge

Thanks,
--Abhi