[Samba] Sysvol replication with Unison for more than 2 server.

Min Wai Chan dcmwai at gmail.com
Thu Oct 2 11:16:38 MDT 2014

Dear Rowland,

When should we copy the idmap.ldb?
After join the AD DC before start samba or

Only after started samba let it sync later only power off and copy over the

which is much preferable.

Thank You.

On Fri, Oct 3, 2014 at 1:07 AM, Rowland Penny <rowlandpenny at googlemail.com>

> On 02/10/14 16:26, Min Wai Chan wrote:
>> Dear Louis,
>> Just to check...
>> Would it be possible to have more than 2 DC using Unison to sync?
>> I was trying to make this to the samba wiki.
>> But when reading the list I see Rowland talking about the SID and RID
>> issue
>> Because of built-in group SID is not sync across domain.
> Ahh, I dropped a right clanger there, when I said SID I meant RID, it
> would seem that when you join a DC to a domain, idmap.ldb does not get
> replicated to the new DC and so the RID's could be and probably are
> different. This is not really a problem, just copy idmap.ldb from the
> original DC to the new one.
> Rowland
>> Which I think samba should have their own way of dealing this or it will
>> just be a mess in a long run.
>> Did we have any trick to deal with this built-in group UID/RID temporary?
>> I remember saw something like io notice/fam to monitor the sysvol and
>> trigger unison when change happen.
>> but I'm not sure how it would help when you have more than 3 server...
>> Regards,
>> Min Wai
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