BM clustering with load balancing

I want to implement BM clustering with load balancing according to AppNote written by Steve Aitken from March 25, 2005.
It's clear that I need to use two private addresses (from the example, these are 10.10.10.10 and 10.10.10.11). However, I'm not sure what are IP addresses 10.10.10.1 and 10.10.10.2 used for?
Existing BM servers have two NICs: first defined as private and the second as public addresses connected directly to Internet (they are from different subnets).
Sinisa

Originally Posted by phxazcraig
In article <[email protected]>, Tnelson 2000
wrote:
> I've set this up per the appnote and aren't able to get out through any
> of the ip addresses. I get a 504 Gateway Time out error. I also noticed
> that the cluster master ip address is different, 10.10.10.12, for
> example. Do you know what I need to look at to verify I have this
> configured correctly?
>
What do you mean "aren't able to get out through any of the ip
addresses"?
Do the addresses show up in any of the proxy nodes with display secondary
ipaddress? Does the proxy console option 17 show the server listening on
those addresses?
Is the gateway timeout error a BorderManager (or Windows) error? If
BMgr, then check that BMgr has a correct default gateway, DNS is working
(option 4 on proxy console screen) and try dropping filters for a test.
Craig Johnson
Novell Knowledge Partner
*** For a current patch list, tips, handy files and books on
BorderManager, go to Craig Johnson Consulting - BorderManager, NetWare, and More ***
Got it working. I noticed that my dns setting in BM2 didn't coincide with settings in BM1. So, I made them the same and reinitialized the system on both servers. Of course, when I did that, it added the secondary IP addresses. So, I'm really not sure what was stopping it from working before, unless I have something misconfigured that's preventing the secondary addresses from loading. Go figure.

Similar Messages

System with load balancing server

Hi All,
We are having SAP NW 7.0 Portal and back end we have R3 implemented in a cluster environment. The system object in EP have used "System with Load balancing" template; using the LOGON group and the other related parameters.
But we have some problem with the ITS and WAS parameters; since we are using some Transaction iViews.
Let me explain.. for the R3 cluster we have 2 systems PROD1.domain.ext and PROD2.domain.ext. Now in the system object in portal, how to specify the parameters for ITS and WAS parameters? Since the host name in these we need to specify a single server which defeats the basic purpose of having clustered environment.
Can any one please help in resolving this issue.
Thanks,
Sravanthi

Hi Sravanthi,
Please check the below for finding ITS and WAS parameters from backend :
For ITS - Go to SE37 >> Utilities >> Setting >> Click on ICON Right Top Corner in popup window >> Select Internet Transaction Server >> you will find the Standard Path and HTTP URL.
For WAS - Go to SE37 >> Run FM - RSBB_URL_PREFIX_GET >> Execute it >> you will find PRefix and PAth paramter for WAS.
Please refer to this may help step-by-step : How-to create a portal system for using it in Visual Composer
Hope it helps
Regards
Arun

OCS on a cluster with Load balancing and fail safe environment

Dear all,
i want to ask is there any documat or hints on how to do an OCS R2 installaiotn on 3 server with RAC option (clustered Fail Safe), how can i install OCS on a cluster with Load balancing and fail safe environment.
plz i need ur help
thanking u
[email protected]

Dear all,
i want to ask is there any documat or hints on how to do an OCS R2 installaiotn on 3 server with RAC option (clustered Fail Safe), how can i install OCS on a cluster with Load balancing and fail safe environment.
plz i need ur help
thanking u
[email protected]

Error in creation of JCO with Load balancing server

Hi,
We are using a ABAP user base for our WEBAS server 6.40 (with ABAP+JAVA). i have created a Public group in concerned ECC 5.0 system. I have already configured SLD, and then i maintain data supplier bridge in SLD and run RZ70 in ECC 5.0 system to load system information.. i can see details in SLD ..
now i am trying to create JCO connections .. here i am unable to create JCO with load balancing option.. i get
com.sap.mw.jco.JCO$Exception: (102) RFC_ERROR_COMMUNICATION: Connect to message server host failed Connect_PM TYPE=B MSHOST=<servername> GROUP=PUBLIC R3NAME=SID MSSERV=sapms<SID> PCS=1 ERROR service 'sapms<SID>' unknown TIME Fri Jun 16 12:41:20 2006 RELEASE 640 COMPONENT NI (network interface) VERSION 37 RC -3 MODULE ninti.c LINE 505 DETAIL NiPGetServByName2: service 'sapms<SID>' not found SYSTEM CALL getservbyname_r COUNTER 1
i am able to create single server JCO, but it fails in load balancing.. is there anything i have missed out in settings...
Thanks and regards,
Sudhir

Thanks, Bogdan Rokosa
I have the same problem,and solved it following the steps provided by Bogdan Rokosa :
you must insert an entry for your R3 system
(like: sapms<SID> 3600/tcp)
in services file
(C:\WINDOWS\system32\drivers\etc\services) on Java WAS.
I test the Jco successful without restart J2EE Engine.

Trouble in a SAP system with load balancing

Hello masters:
I had a trouble with workitems that came from a SAP system with load balancing. They doesn't receive the workitem ID in the UWL.
I created another system in the portal as a "dedicated application server", and made the necessary configuration in order to replace the first one, and then my workitems worked fine.
However, I would like to know what appened with the first system created as "system with load balancing". Why this system didn´t pass the workitem ID to the application (web dynpro abap) that execute the workitems?
Thank you.

I hope there was some missing configuration in the first case which was not replicating the workitem from SAP Inbox to UWL.
Thanks
Arghadip

HTTPS with load balancing

Hi guys,
We have a portal system with instance 08, so we typically connect to the portal using port 50800 for HTTP, and 50801 for HTTPS.
We have just created a second server node for this portal (in the config tool).
When we connect to 50800, does this automatically load balance the user to the better server? From some reading on these forums, it seemed to indicate that load balancing will only occur if I connect using port 8109. (where 09 is the instance number for the SCS of our portal)
When connecting to port 8109, we are redirected to port 50800, as I'd expect.
Question 1 - do we need to use 8109 for load balancing, or can we still use 50800?
Question 2 - If we need to use 8109, which is a HTTP port, how can we achieve load balancing with HTTPS. Is there a different port we need to use to have HTTPS with load balancing?
Question 3 - Is the creation of a second server node the best way to accomodate additional users and load on the portal system, or is there a better way to do things?
Thanks,
Michael.

Better late than never.
The load balancing you describe through the message server has its limitation. It redirects you to one of the dialog server hosts which means that any bookmarks will always point directly to a dialog server which may be down at that moment.
Access directly to a dialog server on port 50800 will sort of load balanc on the java server instances that are on that server but not on other servers.
The general recommendation is to setup an external loadbalancer and SAP Web dispatcher is a good match if the load is not very high. SAP webdispatcher will then bind up the cluster address and act as a proxy towards the dialog servers of the portal. The user will therefore only see one address. This will also work for HTTPS.
Regards
Dagfinn

Moving SMTP server to Azure with Load balancer

How to
move SMTP server to Azure with Load balancer???

Hi TechM,
Base on my experience, Windows Azure Platform does not provide out-of-the-box mail server (neither SMTP nor POP3). You could use SendGrid to sent mail. About this issue, I recommend you could refer to
http://stackoverflow.com/questions/10631585/email-sending-approaches and
http://blogs.msdn.com/b/patrick_butler_monterde/archive/2010/10/11/sending-e-mail-from-windows-azure-part-1-of-2.aspx
Hope it helps.
Will
We are trying to better understand customer views on social support experience, so your participation in this interview project would be greatly appreciated if you have time. Thanks for helping make community forums a great place.
Click
HERE to participate the survey.

How to configure R/3 System with Load Balancing?

Hello,
I've created a Web DynPro Application and I would like to case an iView on it. According to SAP tutorials I first need to configure an R/3 System with Load Balancing.
My problem is how to configure the "WAS Host Name".
According to the tutorial:
WAS Host Name = <host>.<domain>:port (this corresponds to the Web Dynpro server location and the port on which it is running eg. PXYZ.wdf.sap.corp:50000.)
I am using NW 04 and my portal is running on this address:
http://ep6sp9test:50000/irj/portal
When I set the WAS Host Name to ep6sp9test:50000 the Test connection fails (I have privildges and created an alias and User mapping). What should I put at this field then?

Hi
I think you have to specify the HTTP port og the WAS running the R/3 system. The 50000 port is the HTTP port of your portal - not the R/3 system. You can see the HTTP port of the R/3 system using transactioncode SMICM - services in the R/3 system.
BR
Tom

Recommended configuration for load balanced Portal with load balancer, multiple gateways and multiple servers.

Does anyone have a recommended network, hardware and software configuration guide for a Portal installation running with multiple gateways load balanced (ie one URL) that talk to multiple servers?

David,
We've used Resonate (software) to load balance the gateways. It allows
you to group all the gateways under 1 virtual URL and load balance the
incoming connections over each gateway depending on the rules that you
define in Resonate. Look in the SUN portal whitepapers there is one that
talks about it specifically.
As far as load balancing the calls to the portals, the gateways will
automatically load balance across all the portals that they know about
using a simple round-robin rotation. You may be able to use Resonate in
front of the portals but you may need to activate persistance within
Resonate to ensure that the user always ends up on the portal that he
established his initial connection on (if you want that), check with Sun
on this one.
David Broeren wrote:
Recommended configuration for load balanced Portal with load balancer,
multiple gateways and multiple servers.
Does anyone have a recommended network, hardware and software
configuration guide for a Portal installation running with multiple
gateways load balanced (ie one URL) that talk to multiple servers?
Try our New Web Based Forum at http://softwareforum.sun.com
Includes Access to our Product Knowledge Base!

Difference between Clustering and Load balancing

          What is the difference between Clustering and Load balancing?
          For example, We use Cisco Arrowpoint to do load balancing and it works fine for 3
          Sun solaris boxes/WebLogic 6.1 SP1.
          So what is the value addition to buy clustering license?
          Thanks
          Selvaraj


Hi.
          Among other things, clustering allows you to share app data (such as http session
          data) across cluster members, allowing you to failover should one cluster member
          crash.
          If your app is stateless then this doesn't mean much - load balancing alone would
          probably be ok for you.
          Regards,
          Michael
          Selvaraji wrote:
          > What is the difference between Clustering and Load balancing?
          >
          > For example, We use Cisco Arrowpoint to do load balancing and it works fine for 3
          > Sun solaris boxes/WebLogic 6.1 SP1.
          >
          > So what is the value addition to buy clustering license?
          >
          > Thanks
          >
          > Selvaraj
          Michael Young
          Developer Relations Engineer
          BEA Support

Clustering not Load balancing on solaris with apache

apache weblogic plugin does not do round-robin , it's kind of random when
          direct the request to the appserver. anyone has seen this problem?
          weblogic5.1 sp9. solaris 2.7 jre1.3.1 rc2


Actually, the random load-balancing when using Apache is caused by the fact
          that Apache (<2.0) spawns multiple processes, so single Apache instance
          will have several plug-in instances running.
          Mike Reiche <[email protected]> wrote:
          > You are using the weblogic plug-in, aren't you?
          > Only new requests are round-robinned. A second request from the same browser
          > is sent to the same server it hit the first time (sticky load-balancing).
          > Mike
          > "Tony Lu" <[email protected]> wrote:
          >>apache weblogic plugin does not do round-robin , it's kind of random
          >>when
          >>direct the request to the appserver. anyone has seen this problem?
          >>
          >>weblogic5.1 sp9. solaris 2.7 jre1.3.1 rc2
          >>
          >>
          Dimitri

Deploy Forms and Reports with Load Balancing

I am trying to determine what we need to install here. I have read OracleAS, Web Cache, Application Server, and
Forms documents and have no answer still.
We are currently run 9iAS with Forms and Reports 6i only.
I did not do any of those installs. We are migrating to
Forms and Reports 10g. I need to setup an OracleAS 10g
Forms and Reports application server with the ability to
do Load Balancing over 2 windows Web servers to handle
4,000+ users. The application database will be on its own
Windows server.
Do I need to install the Infastructure, BI, and Web cache?
Or just Oracle 10g Application Server option? Or other?
Do I need to install it on both web servers and do
something like clustering? Do I need to install Web
cache? I just took the 10g AS class and basically did not learn anything about deploying Forms and Reports.
Can anyone give me a place to find the things I need to
install and setup?
Thanks.
Kim

I am a DBA and have not done an iAS or AS installation
before but am now required to learn it. We will be using
SSL and no load balancing hardware. We setup for other
customer sites and setting Windows servers in the past.
We have not done load balancing before.
I am just confused with all the 10gAS options there are to
install to just run 10g Forms and Reports and setup
OracleAS 10g with the load balancing features.
So I just need to install OracleAS Forms and Reports
Server if I am just installing Forms and Reports with SSL.
But if for Load Balancing Oracle 10g I need to cluster
just Reports 10g? I thought I would need OracleAS10g
installed on my two Windows servers and somehow cluster
or let the two know they are the same web page handling
the incoming requests? I do know about Apache redirct. Is
that an Apache feature and is it covered in an Oracle
documentation? They did not cover it in class either.

OAM 11g integration with Kerberos on cluster with load-balanced virtualhost

Hello!
I need to make a Kerberos integration with OAM.
I find following notes about OAM 11g: WNA Configuration for HA Clusters [ID 1365888.1] (https://support.oracle.com/epmos/faces/ui/km/SearchDocDisplay.jspx?_afrLoop=223640518878014&type=DOCUMENT&id=1365888.1&displayIndex=1&_afrWindowMode=0&_adf.ctrl-state=14ehvbh4z2_61).
"In an OAM Clustered environment, the OAM Principal for WNA must be the same on all tiers i.e. the load-balanced virtualhost for the OAM cluster.
Therefore each OAM managed server will reference the same keytab file, generated for Principal HTTP/<virtualhost.domain>, and the keytab file will be in the same location on all OAM managed servers.
For example: ${DOMAIN_HOME}/domains/${DOMAIN_NAME}/config/fmwconfig/oam/<keytab filename>.
After copying the keytab file to the same directory on all OAM managed server machines, complete the configuration of the Kerberos authentication module in OAM Administration Console (/oamconsole).
The AdminServer will ensure that the oam-config.xml file on all OAM managed server tiers in the cluster is updated with this configuration."
The question is; When I generate oam.keytab with following command, What is the name of the server that I will must put in the command? Virtualhost (load-balanced), Node1 or Node2?
ktpass -princ HTTP/<servername>@DOMAIN -pass XXXXXXX mapuser DOMAIN\user -out oam.keytab.
Thanks in advance and best regards!
PS: Sorry if my english is not clear.

David,
Your Principal name should be the SSO LB URL.(ie :sso.mycomany.com)
ktpass -princ HTTP/sso.mycomany.com@DOMAIN -pass XXXXXXX mapuser DOMAIN\user -out oam.keytab.
Also make sure sso.mycomany.com has a reverse DNS configured correctly.
you can check using dig command
ping sso.mycomany.com
What ever the ip-address
dig -x <IP-ADDRESS>
Check in the reverse DNS section there should be 1 record.
;; ANSWER SECTION:
1.1.1.1.in-addr.arpa. 3600 IN PTR sso.mycomany.com.
Let me know if you have more questions.
Thanks
Saurabh

SSO with SAP R/3 with load balancing as backend over the Web AS

Hi,
we have Netweaver 2004 at this time and we have to connect the portal to a BSP application in a load balancing environment.
We set user mapping for the user and set the connection type from SAPLOGONTICKET to UIDPW. This is running for a test environment with only one R/3 system without load balancing.
Does anyone know the setting parameters for a load balancing environment (ok, the message server and...?).
Thank you.
Best regards
Patrizia

Hi all,
run into the same problem. Setting up a mapping with UIDPW in a non load balanced WEB-AS enviroment for BSP or Webdynpro for ABAP works fine. But if I go to set it up in a balanced system I can see the following behavior. The http request is send to the messageserver. This request enclosed my mapped user and password. The messageserver responds with an HTTP 301 wich contains one of my applicationservers, so far so good. The client sends a new request to the mentioned applicationserver but this time without the UIDPW. So the user will not be logged in.
I was wondering if my backend have to issue logonticket too, cause today it only accept tickets from the portal.
Is this is a bug or a feature?
Regards,
Bernd

XML Publisher Time out setup issue with load balancer

I have a single node install of Oracle Apps 12.0.4. When running an XML report, it completes successfully and I can view the XML report by clicking on the "view output" button.
I have an Oracle Apps 12.0.4 multi-node install with my database and admin tier running on the same box. I also have two app tiers front-ended with a cisco load balancer. In this environment, when I run an XML Report the job completes with a warning. I have reviewed the log file from the Output Post Processor log file and have the below errors.
[10/14/08 3:40:48 PM] [14736:RT4712865] Executing post-processing actions for request 4712865.
[10/14/08 3:40:48 PM] [14736:RT4712865] Starting XML Publisher post-processing action.
[10/14/08 3:40:48 PM] [14736:RT4712865]
Template code: FNDCPPGD_XML
Template app: FND
Language: en
Territory: US
Output type: PDF
[10/14/08 3:44:33 PM] [UNEXPECTED] [14736:RT4712865] java.net.ConnectException: Connection timed out
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
at java.net.Socket.connect(Socket.java:516)
at java.net.Socket.connect(Socket.java:466)
at sun.net.NetworkClient.doConnect(NetworkClient.java:157)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:365)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:477)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:214)
at sun.net.www.http.HttpClient.New(HttpClient.java:287)
at sun.net.www.http.HttpClient.New(HttpClient.java:299)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:796)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:748)
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:673)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:917)
at java.net.URL.openStream(URL.java:1007)
at oracle.apps.fnd.cp.util.RemoteFile.readURL(RemoteFile.java:217)
at oracle.apps.fnd.cp.util.RemoteFile.transferFile(RemoteFile.java:195)
at oracle.apps.fnd.cp.util.RemoteFile.transfer(RemoteFile.java:131)
at oracle.apps.fnd.cp.opp.XMLPublisherProcessor.process(XMLPublisherProcessor.java:224)
at oracle.apps.fnd.cp.opp.OPPRequestThread.run(OPPRequestThread.java:172)
I have double check my tnsnames.ora, opened an SR, researched in Metalink & on the web but am unable to find a resolution. Any help would be appreciated. Thanks!

we have the same issue. Any workaround so far?

BM clustering with load balancing

Similar Messages

Maybe you are looking for