Scott:
Determining the Number of SLD's is based on your specific requirement.
** Check Pg 16 in SLD planning guide for an immediate idea over what you need.
>> This would be under Best Practices Scenarios:
http://www.sdn.sap.com/irj/scn/go/portal/prtroot/d ocs/library/uuid/29b1f3ea-0c01-0010-2dae-cc64bb381c97?QuickLink=index&overridelayout=true
Simply put,
>> More the SLD's the more cumbersome, more resources, Synchronization requirements.
>> Less SLD's implies a high dependency on the Main Centralized SLD's(which then would need to be setup as Cluster/High Availability so that it doesn't affect the dev work and more important PRD operation).
Once you've got the basic idea, check the following for specific determination of your requirements on SLD Strategy to be followed:
A.
1) http://www.sdn.sap.com/irj/scn/go/portal/prtroot/d ocs/library/uuid/e0a1a8fb-0527-2a10-f781-8b67eab16582?QuickLink=index&overridelayout=true
2) http://www.sdn.sap.com/irj/scn/weblogs?blog=/pub/wlg/6711
You need to decide the criticality of the SLD use in your landscape and plan accordingly.
3) http://www.sdn.sap.com/irj/sdn/nw-sld
4) Best Practices Guide for SLD and CTS :
http://www.sdn.sap.com/irj/scn/weblogs?blog=/pub/wlg/14676
5) SAP Note# 764393 - Configuration of the SAP System Landscape Directory
6) SAP Note# 720717 - Reduce the number of System Landscape Directories (SLD)
Currently, this is the scenario we have setup in our company:
ECC, PI, BI Dev >>>>> PI Dev SLD
ECC, PI, BI QA >>>>> PI QA SLD
ECC, PI, BI PRD >>>> PI PRD SLD
NWDI/CE use PI Dev SLD
CUA have their own SLD's.
** I have configured each individual PI SLD to report to SolMan SLD via Data Supplier Bridge so that each system Technical info in Dev/QA/PRD landscape is kept current in PRD.
B.
In relation to GUID Strategy:
1) Dev SLD would contains the Base GUID's of your SWCV (obviously)
2) To ensure the same GUID's are present in QA/PRD, please ensure that there is No "Manual" creation of the SWCV in QA/PRD SLD's.
>> Note: Manual Export/Import is fine.
3) I would suggest you to look into implementing CTS for XI.
>> This is what we currently use in moving XI objects across our landscape.
CTS Central Information link is @ http://www.sdn.sap.com/irj/sdn/cts?rid=/webcontent/uuid/c0ce1dd8-c020-2b10-d080-a1cd3e985af1
C.
1) PI Dev SLD would be your Design Time SLD
PI PRD SLD would be your Runtime SLD
2) Central SLD is what i would assume would be a central repository which maintains and has the current information of all systems in Landscape.
>> I would assume the SolMan SLD would fit this bill if this is the sole purpose.
3) Additionally, a Central SLD would perform all the functions of your Local SLD, if it were to exist, which makes it all the more critical in the case of PI Systems.
>>> PI depends heavily on SLD for its objects mapping and determinations during its ESR and INtegration Directory Objects, which is why, its usually recommended to use a local SLD for PI.
Do Let me know if you have any further issue or need help in configuring the individual SLD's.
Regards,
Raghav
---------------Original Message---------------
From: scottslater
Sent: Tuesday, September 07, 2010 10:28 PM
Subject: SLD - central , local , design-time ,runtime
> For PI ( 7.1 EHP1) ,ECC 6.0 and BI ( 7.0) dev ,qa and PRD systems , how many SLDs should I deploy ? To make Guids unique in the software components , what strategy should I use if I want DEV PI system to have its own local SLD ... and QA and PRD to use the SLD lcoated in the PRD Pi system?
>
> Is it advisable to connect ECC DEV , BI DEV to the DEV PI SLD ...and ECC QA , ECC PRD ,BI QA and BI PRD to connect to the PI PRD SLD?
>
> I think solution manager local SLD will get the data by using the SLD bridges from DEV PI SLD and PRD PI SLD. Is it okay to do?
>
> In the above case, can I call PI DEV SLD as design-time SLD and PI PRD SLD as runtime? What are the differences between design-time SLD and runtime SLD?
>
> Also what is the central SLD...In my case which one is central SLD? If there is none, do I need one central?
>
> Thanks for all your help.
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