DFS sync from main server only

Hi all,

We have DFS set and we have lots of shares. Each share is replicating from the main file server to standby on site and at the Backupsite.

Two weeks ago, we had some issues and had to stop replication to standby and Backupsite and we stopped the DFS service on these two servers.

Now we would like to start replicating again, and we have concerns that replication maybe both ways.

What is the best way to set DFS so that it only replicated from the main file server and not vice versa?

When we created the DFS a couple of years ago we have set the primary Member as the main file server  with a full mesh topology.

If I am not mistaken the Primary member is only used once to sync…

How can we be sure that now that when we switch on again the DFS service on the standby and Backupsite server the replication is taken from the golden copy (main file server) ?

Can you please guide me?

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Joseph HornseyPresident and JanitorCommented:
That's a great question.

First, you're correct regarding the Primary member - it's used for initial replication.  After that, they're all pretty much on equal footing.

Honestly, DFS in 2012R2 and 2016 are pretty self-healing.  I literally just had a situation yesterday with a setup that had a single replication group (full mesh topology) and inside that group were five folders that were published to the namespace.

The replication group was accidentally deleted.

I rebuilt the group, but separated out each folder into its own replication group and each group was configured with a full mesh topology.

It took about an hour or so for replication to start up again.  The event viewer was full of warnings regarding mismatched tombstones, etc.  However, it sorted itself out and replication has been running with no problems and we've had no issues with stale data.

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Member_2_7968778Author Commented:
Do you think there is a way we can configure dfs to sync only 1 way from the main file server to standby and bks?

I have round 100+ shres to arrange.
bbaoIT ConsultantCommented:
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Joseph HornseyPresident and JanitorCommented:
That's a great article, bbao!
Joseph HornseyPresident and JanitorCommented:
Yes, you can do one-way sync.  Go into the replication group and click on the Connections tab.  You can disable all of the connections except for the one where the sending member is the server you need.

The more I think about it, though... what about users who are modifying files on those servers that are only receiving updates?

Go through that article that bbao linked... I think it might be exactly what you're looking for.
Member_2_7968778Author Commented:
Users are only connecting to the primary server since in the Folder Targets the standby and backuspite are disabled
Joseph HornseyPresident and JanitorCommented:
Question was answered fully.
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Windows Server 2012

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