[Samba] Samba 3.4 clustering CTDB

Volker Lendecke Volker.Lendecke at SerNet.DE
Tue Jan 19 02:26:25 MST 2010

On Tue, Jan 19, 2010 at 09:29:53AM +0100, Daniel Müller wrote:
> Did someone succed with samba clustering using CTDB? 
> We just started  a project trying to set up a cluster with Samba 3.4 and
> ctdb and 2 nodes. We aim to
> substitute the samba pdc bdc thing which is not sufficient I thing. Because
> when the pdc is down the bdc must be set
> manually to be the pdc.
> If clustering should work then ctdb (load balancing!?)will decide which node
> to authenticate against and will sync user groups and files. If one
> node   fails the other would take over and users and clients can work on.
> Are these things possible in current state of development???

In theory, yes, but for the PDC/BDC thing it is not
necessary. Yes, if your PDC is permanently down and will not
come back, you have to manually upgrade the BDC. But for
authentication purposes the BDC is just fine, you only can
not change passwords for example. But when your PDC is down,
changing passwords or creating new users should be the least
of your problems.

Just my 2ct

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