DQXI 11.7.1 High Availabilty Setup

We are looking to setup DQXI in a high availability clustered environment. We are going to start with two servers and work our way up from there. We only need to balance out the transactional calls (not the batch's). We are planning on using an existing content switch to handle balancing the web service calls.
My question is can you have more than one dqxi server pointed to the same SQL database for the repository information?
Anyone have any experiences in created a high availability cluster for dqxi?
Thanks!
Paul

Hi misecmisc
please gone through this links i hope it will help you.
https://wiki.sdn.sap.com/wiki/display/JSTSG/%28JSTSG%29%28TG%29Q2065
https://www.sdn.sap.com/irj/scn/advancedsearch?query=http503Servicenotavailable+
Regards
Bandla

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Wily Introscope on high availabilty

Hi All,
Our solution Manger is on high availabilty. We want to install Wily Introscope manager on our Solution Manager. How can we install it on high availabilty. Please help.
Also Wily Agents(on managed systems) need to be installed on only Stand Alone Java Systems or on ABAP+JAVA systems also.
Appreciate your help.
Thanks and Regards,
Subashree

Hello Subashreekannan ,
To setup the EM in a cluster scenario you may refer to the [Wily Introscope Setup Guide 8.0 |https://websmp204.sap-ag.de/~sapdownload/011000358700001995842008E/SAPISDOC02_0.pdf] in section "Enterprise Manager Cluster Setup".
To setup the EM in a Failover scenario, you may refer to the [Wily Adminsitration and configuration guide|http://www.scribd.com/doc/44471028/Introscope8-0-2-0ConfigAdminGuide] in section "Using MOM Hot Failover".
Regarding the ISAgent, the Introscope Agent setup should be performed for JAVA and dual stack systems. It is not neessary to perform the ISAgent setup only for pure ABAP systems.
Regards,
Allam

Sender agreements on high availability setup

Hi
We have XI and ERP exchanging some messages. Our ERP system has been switched to high availability setup.
As for one scenarion in XI: ERP is sender and there is ONE sender agreement that can use ONE communication channel (RFC).
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I am missing something obious...
Thanks,
Heiko

This seems strange for me too. But if I set the RFC Message server and Metadata server to use the same system, the connection will not work.
It seems that there are two possible ways:
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Hello all,
Have anyone already tried to configure an high availabilty environment with more weblogic server and more business intelligence environemnt?
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Prabal,
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PRIME LMS 4.2 + High Availabilty

Hi all,
Does LMS 4.2 support Microsoft cluster solution for High Availabilty ?
I understand from Cisco Documentations that they use Veritas Cluster solution as well as Vmware Vmotion/HA for high available configuration of LMS.
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Besides the supported Veritas method, the second best solution would be to snapshot your VM regularly and practice restore from that. A Microsoft Cluster solution would be an unsupported kludge.
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hello ,
i have exchange 2010 installed on my head office
sevrer 1 : mailbox server
server2 : hub+cas
i want to install high availabilty solution in DR without buying hardware loadbalancer .
incase of our head office disaster should i able sending and receving from DR
regards
MCP MCSA MCSE MCT MCTS CCNA

Hi,
For CAS/HUB servers, you can still use Windows NLB to load balance traffic. It is supported but the recommendation is to user HLB. Besides, it is recommended to create a Client Access server array even if you only have a single Client Access server within
your organization.
For DAG, we shoule note that each member of the DAG must also be running the same operating system.
More information about datacenter switchover, please refer to
Datacenter Switchovers.
Hope this helps.
Best regards,
Belinda
Belinda Ma
TechNet Community Support

Is high availabilty available with B1 ?

Hi,
We've got users based around the world who connect to B1 at our UK base. I cannot provide 24 hour support in case of system downtime so I'm interested to find out what sort of options are available to provide High Availabilty/Redundancy to our SAP installation?
Thanks

Hi,
Its normal to have a system down but you can make prevent or minimize this situation.
1. In your SQL Server you could try to use the RAID.
2. Frequent backup of the database.
3. You may use SQL SERVER distributed function. This is using 2 or more SQL Server but
using 1 database.
4. Daily monitoring.
5. A spare or extra computer that have already SQL Server installed and ready to attached
or restore the recovered database.
6. Separate the APPLICATION to DATABASE Server,
Hope it will help.
THanks.
CLint

High availabilty in OEM11g

Hi
Regading OEM grid control 11g in standalone server.
What is the easiest/best way to have high availability ?
i.e
I can replicate repository database with dataguard
How about oms?

You dont need a cluster. You can install an additional OMS pointing to the same repository to have an active-active configuration. Here two or more OMS instances are configured to serve the same application workload. These instances can reside on the same machine as the Repository Database machine(s) or on different machines.
They are all active instances front-ended by a Server Load Balancer (SLB) router, which can redirect requests to any of the active OMS instances. Such a setup ensures that even if one of the OMS goes down, another OMS can serve the console / upload requests.
For more details, refer to the doc link suggested by Loc earlier:
http://docs.oracle.com/cd/E11857_01/em.111/e16790/ha_multi_resource.htm#BABIECFI
Also see:
Note 330072.1 - How To Configure Enterprise Manager for High Availability

WL9/bpel10.1.3.4 MLR10 high availability setup missing internal queues.

Hi,
Noticed that setups on weblogic HA (High Availability) cluster setups have a bug in setting up the JMS SOA module.
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These queues basically guarantee no message loss during for example http/SOAP communications. Like in our case BPEL <-> OSB.
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Does anyone know putting them manually resolves the problem? Putting Service request on OTN to support this.
Thanks and Regards
Jirka

Hi,
okay, you can use 4 virtual servers. But there is no need to deploy dedicated server roles (CAS + MBX). It is better to deploy multi-role Exchange servers, also virtual! You could install 2 multi-role servers and if the company growths, install another multi-role,
and so on. It's much more simpler, better and less expensive.
CAS-Array is only an Active Directory object, nothing more. The load balancer controls the sessions on which CAS the user will terminate. You can read more at
http://blogs.technet.com/b/exchange/archive/2014/03/05/load-balancing-in-exchange-2013.aspx Also there is no session affinity required.
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On channel 9 there is many stuff from MEC:
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Migration:
http://geekswithblogs.net/marcde/archive/2013/08/02/migrating-from-microsoft-exchange-2010-to-exchange-2013.aspx
Additional informations:
http://exchangeserverpro.com/upgrading-to-exchange-server-2013/
Hope this helps :-)

High Availabilty Tomcat

To give some trining I'm trainig to setup a cluster in a box using Tomcat.
My components:
Apache 2.0.54
mod_jk 1.2.10
Tomcat 5.5
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Then I configure mod_jk this way:
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<IfModule !mod_jk.c>
LoadModule jk_module /opt/hpws/apache/modules/mod_jk.so
</IfModule>
JkWorkersFile /opt/hpws/apache/conf/workers.properties
JkLogFile /opt/hpws/apache/logs/jk.log
JkLogLevel trace
# JkShmFile /tmp/kk
JkMount /servlets-examples balanceador
JkMount /servlets-examples/* balanceador
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workers.tomcat_home=/opt/hpws/tomcat
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worker.list=balanceador
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worker.server1.type=ajp13
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worker.server2.host=localhost
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I've I play using sticky_session_force, I've got an error from mod_jk because he doesn't find a matching server for the session (all workers are in error for session ...)
Any hints??

Your solution uses the new clustering functionality of Tomcat 5.X.
What I'd like is to use sticky sessions: one session started in server1 keeps using server1 until that session ends.
This should be the logical way of working even with Tomcat session replication. IMHO mod_jk should only redirect a session to a different cluster server only if the original session server is down.
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Cisco CSS 11501 - High-Availabilty

We have a single CSS 11501 and were thinking about just buying a new one and putting it online as the standby with statefull (hopefully) failover, but weren't sure that this would work.
Does anyone know what is needed to create a high-availability Cisco CSS 11501 environment?
Do you only need 2 CSS 11501 and then configure them with one being active and the other being in a standby mode, like a PIX?
Is there a HA Cable that would need to be connected between the 2 CSS's?
Thanks in Advanced.
Joe

Daniel,
There is a new stateful failover mechanism for the Cisco CSS 11500.
This description is a bit "salesy" I know, but it covers the question asked :-)
The Cisco CSS 11500 delivers ASRthe industry's first stateful Layer 5 session redundancy feature that enables failover of important flows while maximizing performance. Some flowssuch as a long-lived File Transfer Protocol (FTP) or a database session may be mission critical, but many are not. Most solutions on the market today require all trafficimportant or notto be backed up from one box to another. If the majority of flows are not critical, then most of system performance is wasted on unnecessary back
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Better yet, have a look at the following link focusing on the section on Stateless Redundancy.
http://www.cisco.com/univercd/cc/td/doc/product/webscale/css/css_510/advcfggd/redndncy.htm
Regards
Pete..

Always ON High Availabilty

Hi Everyone,
In AlwaysOn HighAvailabilty if any problem or disaster will happen in Primary Server.It got failover to sencondary replica.
But in the secondary replica we have give read option only.Not write option.Then how to if we want write anything in the DB.
Thanks Everyone,
RamKarthik

Hey RamKarthik,
There are a number of options related DR (disaster recovery), you should read more link below:
http://support.microsoft.com/kb/822400
http://technet.microsoft.com/en-us/library/ms179344(v=sql.105).aspx
If you choose for example the following type,
it requires three servers but will give you a good answer and safe.
first server is active, MIRROR second and third listen the first 2 server (witness)
so the transition will be automatic and smooth.
High-Safety Mode with Automatic Failover
Automatic failover provides high availability by ensuring that the database is still served after the loss of one server. Automatic failover requires that the session possess a third server
instance, the witness, which ideally resides on a third computer. The following figure shows the configuration of a high-safety mode session that supports automatic failover.
Please Mark This As Answer if it helps to solve the issue
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RAC (high availabilty in a disconnection period)

Dear DBAs,
we have a concern which need additional info.
As i know, "high availability using RAC" means that the users should remain connected to the database or at least disconnected for few seconds when a node (in RAC en. active/active) goes down.
My question is:
let's say i have 2 nodes and 100 users are connected to the database. what happened in case the 2st node/server goes down ?
1. the users, connected to this node, will automatically switch to the other node without the need to manually reconnect again?
2. the users, connected to this node, will be disconnected, the transaction will rollback, and the users should manually reconnect again ?
Note that my oracle version is 10gR2 and i'm using Oracle clusterware.
Thank in advance for your help
Regards
Elie
Edited by: Elie on Mar 8, 2010 10:55 AM

ok,
let's say my application is a banking application and as usual a process called EOD (End Of Day) should run from a client machine.
this process will make many tables insert, update, delete.
what might happen in case this node (where the EOD's session is connected) ?
do we have to run the process again ? or it continue running ?
Thx again

High Availabilty Solutions for Oracle R12.

Hi Gurus,
We are looking for a HA solution for our R12 E-Business Suite. Currently we have options like HP Service Guard from HP.
Kindly provide me your valuable suggestion for HA solution from Oracle side.
Please kindly provide me the details as well like 'Licensing, Advantages, Disadvantages, pre-requistes, ease of Adminstation etc.
Highly appreciating your replies.
Thanks.

Thanks for your replies. Does Oracle RAC need extra licensing?Absolutely, yes. RAC is neither cheap nor free. ;-)
I would like to have enough information before i can go to our sales representative.
Actually i am planning to give presentation on High Avaialability options for Oracle R12.
and i assume i will be asked for the lisensing. i need your helpA conversation with your Oracle Sales representative will be far more informative than asking questions about licensing on these forums. If you want baseline information about license costs, you can check the Oracle Store (https://oraclestore.oracle.com), but you may be able to negotiate a better rate with Oracle Sales.
Update: In other words, "what Hussein said." I really need to refresh these threads more often when composing a reply, especially if I wander away and come back. ;-)
Regards,
John P.
http://only4left.jpiwowar.com
Edited by: jpiwowar on Jun 1, 2010 10:40 PM

High Availabilty in 1524

Hi guys
I can help clarify the following doubts:
The LAP 1524 WLC supports high availability? Ie to implement a mesh network with 2 WLC and 20 LAP1524 at the time the primary WLC fails 20 LAP1524 be recorded against the secondary WLC?
What is the configuration recommended in this case?
Greetings

HA is not supported on AP1000 series. All other Access Points support HA.

DQXI 11.7.1 High Availabilty Setup

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