Re: understanding replication

Quanah Gibson-Mount <[email protected]>
Newsgroups gmane.network.openldap.general
Message-ID <A1B6395BD5691FD6E1A78841@[192.168.1.2]>
--On Tuesday, March 02, 2010 1:49 PM -0500 Aaron Richton 
<[email protected]> wrote:

>> I'm guessing the rid is a random chosen id number for the secondary
>> server (consumer?) that is used to compare the master db (entryuuid?)
>> for context? information that indicates sync state?
>
> rid is chosen by administrator (i.e. manually configured). I honestly
> forget what it's used for nowadays...I vaguely remember "nothing" and/or
> "it's only important for multimaster." I'm certain this is in the
> archives of openldap-software and/or openldap-devel, but I'll leave the
> search to you.

The RID value is a unique number in a given replica used to specifically 
identify that particular syncrepl statement.  It really only matters if you 
have multiple syncrepl statements in a given slapd configuration for a 
replica.  For me, since I only replicate from a single master, I use the 
same RID value on all my replicas.

With MMR, there is also the SID, which may be the other part you are 
thinking of, but if you aren't using MMR, it doesn't apply.

--Quanah

--

Quanah Gibson-Mount
Principal Software Engineer
Zimbra, Inc
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