How many NWDI do I need?

Hi!
Our company is an SAP outsourcing unit. We have about 16 landscapes with
all kinds of SAP products.
We are going to use NWDI to handle JAVA transport.
Could you inform us how many NWDI do we need?
Thanks a lot!

Hi Jennifer,
This might help, read
http://help.sap.com/saphelp_erp2005/helpdata/en/42/f1a03611d83ee4e10000000a1553f7/frameset.htm
http://help.sap.com/saphelp_nw2004s/helpdata/en/54/347a2a840246b1bbd8fc9154be6658/frameset.htm
Regards
Juan
Please reward with points if helpful

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How many NWDI do we need?

Hi!
We are an SAP outsoucing company with many different
landscapes for MI, EP, ECC, XI, SM, etc.
We have decided to use NWDI to handle all JAVA change management.
Some SAP systems can be in the DMZ.
So how many NWDI do we need? Is one enough?
I'll give points. Thanks!

Hi Laura,
this doc shows typical NWDI scenarios/landscapes with XI
read just the first section and you will know
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/f85ff411-0d01-0010-0096-ba14e5db6306
Regards,
michal
<a href="/people/michal.krawczyk2/blog/2005/06/28/xipi-faq-frequently-asked-questions"><b>XI / PI FAQ - Frequently Asked Questions</b></a>

How many NWDI's in your SAP Landscape

Hi SAPpers,
we have a reasonable size SAP landscape and our developers do a lot of WebDynPro developments for Portal.
We are now beginning to integrate CE with NWDI too, but that's a separate story.
My point is, in our SAP Landscape we have ONE NWDI installed.
We've just had basically a system down for NWDI for the last 10 days and it has shown us what a single point of failure NWDI is, because, as we have only one NWDI, if it is down, Developers cannot work, and transports cannot be completed.
Therefore, my question,
What does everyone else do about this ?
Should we have a second NWDI, as a warm standby, where, if we lose the main NWDI we then configure the tracks in the standby NWDI and get the Developers to work against that one while we fix the primary NWDI ?
Is there any guidance from SAP on how many NWDI's to have in a SAP Landscape to stop the NWDI becoming a single point of failure ?
Others, please be aware of the risks and consequence of only one NWDI in a SAP Landscape.
Thanks and regards,
Petr.

Hi Pascal,
thank you for your reply.
High availability of NWDI would not help the problem that recently happened to us, NWDI for various reasons stopped working.
Hence we need to think about some kind of warm standby NWDI which could be bought up in emergencies, have all tracks configured in probably 12 hours - for ESS etc and then become active while the main NWDI is being repaired.
NWDI is indeed a single point of failure on its own.
Kind regards,
Petr.

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Hi,
I've a server with 4 NIC connection to a DELL MD32xx which have 8 NIC.
My question is how many path do I need to create under iSCSI connection.
Do I need to create a path from each Server NIC to each MD32xx NIC, which will make 32 connection (and doesn't make sense).
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ML
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http://social.technet.microsoft.com/Forums/windowsserver/en-US/3fa0942e-7d07-4396-8f2e-31276e3d6564/windows-mpio-setup-for-dual-controller-san?forum=winserverfiles
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2.I only need test 3 LVDT signals and 3 strain guage signal(must full bridge),do you have 4 channels' LVDT module and 4 channels' Strain/bridge module(full bridge)?
3.if i hug all these sensors to the signal conditioning,does that mean my DAQ should have at least 16 Analog inputs,beside do you have 12-bit DAQ?

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currently moving from server-based certs to CSS/SSL based.
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How to determine:how many connections will be needed in RFC adapter setting

Hi XI guru,
We are working on following secnario:
1. JDBC sender selects data from Oracle database, and send this data to SAP XI, XI use async RFC receiver adapter to call a self made RFC, in this RFC, we will call some BAPI and process some ABAP code, then if the reture code is ok, nothing will happen( means data successfully import into SAP ). if the reture code is not ok, another RFC will be called from ABAP code, send an asyn message to XI, XI use RFC receiver to update the message back to Oracle with specific flag.
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3. We also don't want to use sync RFC, because BAPI and ABAP code will take sometime to run, we don;t want XI want for the RFC reture message.
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We successfully run this secnario in unit testing, but when we work on stress testing,found some times we will miss the RFC call. For example:JDBC sender sends message to XI for 10 times in a very short time( we use fault data to make every message has a send back RFC message in stress testing), let's say poll interval 5 sec one time. but send back RFC only be called 7 or 8 times, 2-3 message were missing.
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That will be helpful, if some one can tell the story of what happen RFC works at background.
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HI,
Maximum possible number of initial connections required between sender system and adapter. This value is limited internally to a maximum of 50
See the below links
http://help.sap.com/saphelp_nw2004s/helpdata/en/67/6d0540ba5ee569e10000000a155106/content.htm
http://help.sap.com/saphelp_nw2004s/helpdata/en/33/c6e63b60c25767e10000000a11402f/content.htm
http://help.sap.com/saphelp_nw2004s/helpdata/en/a4/db833d4c47ea4ea1a9b7af3c535ff2/content.htm
http://help.sap.com/saphelp_nw2004s/helpdata/en/6e/3f560a3e0f6f4a90fb1e7db1388d4d/frameset.htm
http://help.sap.com/saphelp_nw2004s/helpdata/en/25/90d038f58f863de10000000a11402f/frameset.htm
/people/swaroopa.vishwanath/blog/2005/03/11/rfc-migration-to-bapi-in-r3--step-by-step
Regards
Chilla

How many NWDI do I need?

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