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concurrent servers

concurrent servers

concurrent servers

Does NT have anything like Novell's SFT?

That is where server A updates server B in real time.
Should server A fail, server B will kick in automatically to manage the network.

Glenn Abelson

RE: concurrent servers

Microsoft's Clustering Services can kind of do what your asking. The only trick is that it requires a multi port storage device. If one server fails in the network, another one picks up the load, but if the storage fails, your dead in the water. There is another product I have seen but have not used called Marathon Endurance 4000. It sets up a virtual server between many individual servers. When one fails the other server(s) just simple take up the load. I've never seen the system run so I can't vouch for it's true capabaility.

RE: concurrent servers

Yes, It's called a BDC - Backup Domain Controller.

With Replication Services enabled. It (the BDC Server) will replicate all user profiles from the PDC - Primary Domain Controller. Should the PDC go down the BDC continues Login Authentication and Authorization.

You can have more than one Backup Domain Controller on each Domain for Load Balancing.

Trust Relationship between each separate Windows NT Domain may be required to extend the back up Authentication between Domains.


RE: concurrent servers

Thanks, all.

RE: concurrent servers

The only problem with replication is that it is scheduled. In the event of a failure in between replications, files may be out of synch between 2 servers. Novells SFT system is concurrent writes to multiple servers so that if one goes down at any one point, the data is exactly the same on the other server.

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