Re: Correct way to load LDIF in mirrormode

[Howard Chu <hyc@symas.com>]

Brett @Google wrote:
> On Thu, Nov 12, 2009 at 4:26 AM, <masarati@aero.polimi.it
> <mailto:masarati@aero.polimi.it>> wrote:
> 
>     > Could someone please exemplify a scenario where the -S option for
>     > slapadd is needed?
> 
>     - load server 1 using slapadd with option -S (the SID of server 1)
>     and -w
> 
>     - slapcat server 1
> 
>     - slapadd server 2 using the slapcat from server 1
> 
>     this ensures you have consistent entryCSN and contextCSN
> 
> 
> So can i say that in mirrormode, there is never a need to provide -S
> <sid> unless you are initializing the first server (sid 1) from a ldif
> without valid CSN's etc, eg. by providing the "-S 1 -w" options to slapadd ?

OK.

> If this is true, then would i also be correct is saying that -S <sid>
> only sets a parameter to enable the -w option to set the SID correctly
> in CSN's etc? and that the value provided by -S has no effect if -w is
> not provided ?

No.

> I imagine therefore the same thing would apply when initializing a set
> of multimaster servers, where the <sid> provided by -S just happened to
> be the first one you are loading. The others 2-N nodes would be
> initialized from a slapcat of the first server you loaded (using the
> contextCSN's etc., slapadd "-S <sid> -w" created), still using slapadd
> but without needing to provide either the -S <sid> option or the -w option.

Yes.

> Just trying to clarify my understanding before contributing a paragraph
> of doc to explain this.

-- 
  -- Howard Chu
  CTO, Symas Corp.           http://www.symas.com
  Director, Highland Sun     http://highlandsun.com/hyc/
  Chief Architect, OpenLDAP  http://www.openldap.org/project/