Patch to support Scalable CTDB

[Ralph Böhme]

On Mon, Apr 30, 2018 at 02:36:14PM +0000, Partha Sarathi wrote:
> Ok. My concern is when you have common Ctdb running across cluster with
> different file spaces keeping the locking.tdb replicated for all file opens
> doesn’t seems to be worth.

as already pointed out by Volker, locking.tdb is not replicated. It's a so
called volatile tdb that uses an approach which is described in an older -- but
still mostly correct -- design doc here:

<https://wiki.samba.org/index.php/Samba_%26_Clustering#Finding_the_DMASTER>

-slow

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Ralph Boehme, Samba Team       https://samba.org/
Samba Developer, SerNet GmbH   https://sernet.de/en/samba/
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