Configure 10g OAS Active Active Topology
Hi,
Our requirement is to deploy 10g OAS (Forms & Reports) on two servers for load balancing, below are my questions,
1. Is it mandatory to configure cluster if I have two applications servers on two different servers.
2. Can we use one URL address for both servers if so how ? (without big IP concept)
3. Please provide some links to configuring active-active 10g-OAS
1. Is it mandatory to configure cluster if I have two applications servers on two different servers.
No.
2. Can we use one URL address for both servers if so how ? (without big IP concept)
Yes. See below.
3. Please provide some links to configuring active-active 10g-OAS
Have a look at this thread
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Can we configure BPM10gR3 in Active Passive topology.
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Can we configure/install BPM10gR3 on WLS in Active Passive topology at Primary & DR site respectively. Any links/References for BPM10gR3 DR topology recommendations?.
Thanks & Regards,
NLyou may be able to do that by setting up a primary & Secondary setup.
In the secondary setup just deploy the BPM engine/portal to weblogic but point to the same engine/fdi database. Keep secondary down for most part and only bring it up when primary is down.
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I want to install Infrastructure and Middle-Tier on a Active-Active Topology. I don't have a load balancer right now. Can I install the infrastructure and middle tier without the load balancer and then configure the middle-tier to connect to the load balancer?
Yes, for load balancing the mid-tier either:
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or
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Clustering of Oracle AS 10.1.3.0 nodes in active-active topology
Hi,
The following requirements for clustering in our environment exist:
* Active-active topology
* External hardware load-balancer
* Fail-over
* Application session-state replication
We use multiple Oracle AS 10.1.3.0 nodes. Applications are deployed on 2 or more OC4J instances on those nodes.
I've read the Oracle docs on clustering and I have some questions regarding the clustering configuration to use:
1. When an external hardware load-balancer is used, is configuring an Oracle AS cluster needed then? The docs talk about clusters, but in some cases I'm not sure whether an Oracle AS cluster or a hardware cluster is meant.
2. It seems not entirely clear what type of application clustering to use in combination with an Oracle AS cluster: either multicast or peer-to-peer? If I'm correct the Oracle docs suggest to use dynamic peer-to-peer application clustering if an Oracle AS cluster is used and multicast for standalone OC4J. Is that correct?
Thanks,
Ronald1. Well, the idea is to have all clients route their HTTP requests to the physical load-balancer. The load-balancer will route/forward the requests to one of the Oracle AS nodes based on the load on those machines. If application state is synchronized between the application(s) on the OC4J instances, it would not be necessary to configure an Oracle AS cluster? Or are there advantages for having such a cluster? One of the pros I can think of would be that groups are automatically created so deployment/management of the application(s) becomes easier. Are there any other? Or is this configuration w/o Oracle AS cluster not a good idea?
2. Clear.
3. JMS, thanks for the tip.
4. Yes we use Oracle RAC. Does that impose constraints on the Oracle AS clustering and/or application clustering?
Ronald -
What am I trying to do?
I have tried installing Microsoft Exchange Server 2013 Cumulative Update 7 Setup on a fresh install of Windows Server 2012 R2 but it gets stuck when running the setup exe on Step 8 of 14 “Mailbox Transport Service” I have included full
error logs at the bottom of the page but the basics are in order it will throw which loop around are:
[01/20/2015 17:13:20.0084] [2] Beginning processing Set-SharedConfigDC
[01/20/2015 17:13:20.0178] [2] The call to Microsoft Exchange Active Directory Topology service on server 'TopologyClientTcpEndpoint (localhost)' returned an error. Error details No Minimal Required Number of Suitable Directory Servers
Found in Forest mydomain.com Site Default-First-Site and connected Sites..
[01/20/2015 17:13:20.0178] [2] No Minimal Required Number of Suitable Directory Servers Found in Forest mydomain.com Site Default-First-Site and connected Sites.
Exchange is currently running in the envirmonet on 2010 Sp3 I am installing 2013 CU7 fresh so I can migrate the databases over.
What am I running?
2 X DC on domain and forest functional level 2008R2 both writable
1 X fresh install of Windows 2012 R2 which is domain joined
What have I tried?
Checked Ipv6 is enabled on all DC NICS and Existing Exchange Servers
Rebooted every server
Run setup as Administrator
My account is part of the domain Enterprise Admin group
Tried adding "Exchange Server" or "Exchange Enterprise Servers" to the group policy and doing the relevant gpupdate /force and reboot :
Computer Configuration Windows Settings
Security Settings + Local Policies
User Rights Assignment Mange auditing and security log
Turned off firewall on DC and Exchange Server even stopped the service
Turned off all AV on the DC and Exchange Server
Checked I could telnet to global catalog servers on port 3268 which I can
Checked the global catalog records existed in DNS which they all do
Done the obvious ping tests all round which confirms connectivity
Schema has been prepared using appropriate commands before running the setup exe
setup.exe /PrepareSchema /IacceptExchangeServerLicenseTerms
Making sure the following path has full permissions:
EXCHANGE14:\Current\Release\Shared\Datacenter\Setup
Restarted Microsoft Exchange Active Directory Topology service
DcDiag all looks good
What have I noticed that is suspicious?
Microsoft Exchange Transport service will not start even though both of its dependences services have started:
Microsoft Filtering Management Service
Microsoft Exchange Active Directory Topology Service
It will eventually error with
“Windows could not start the Microsoft Exchange Transport Service on local computer
Error 1053: This Service did not respond to the start of control request in a timely fashion”
This error is from the GUI wizard itself:
Error:
The following error was generated when "$error.Clear();
$maxWait = New-TimeSpan -Minutes 8
$timeout = Get-Date;
$timeout = $timeout.Add($maxWait);
$currTime = Get-Date;
$successfullySetConfigDC = $false;
while($currTime -le $timeout)
$setSharedCDCErrors = @();
try
Set-SharedConfigDC -DomainController $RoleDomainController -ErrorVariable setSharedCDCErrors -ErrorAction SilentlyContinue;
$successfullySetConfigDC = ($setSharedCDCErrors.Count -eq 0);
if($successfullySetConfigDC)
break;
Write-ExchangeSetupLog -Info ("An error ocurred while setting shared config DC. Error: " + $setSharedCDCErrors[0]);
catch
Write-ExchangeSetupLog -Info ("An exception ocurred while setting shared config DC. Exception: " + $_.Exception.Message);
Write-ExchangeSetupLog -Info ("Waiting 30 seconds before attempting again.");
Start-Sleep -Seconds 30;
$currTime = Get-Date;
if( -not $successfullySetConfigDC)
Write-ExchangeSetupLog -Error "Unable to set shared config DC.";
" was run: "System.Exception: Unable to set shared config DC.
at Microsoft.Exchange.Configuration.Tasks.Task.WriteError(Exception exception, ErrorCategory category, Object target, Boolean reThrow, String helpUrl)
at Microsoft.Exchange.Configuration.Tasks.Task.WriteError(Exception exception, ErrorCategory category, Object target)
at Microsoft.Exchange.Management.Deployment.WriteExchangeSetupLog.InternalProcessRecord()
at Microsoft.Exchange.Configuration.Tasks.Task.<ProcessRecord>b__b()
at Microsoft.Exchange.Configuration.Tasks.Task.InvokeRetryableFunc(String funcName, Action func, Boolean terminatePipelineIfFailed)".
Exchange logs which have been written:
**The error will loop around for 8 minutes on trying to set-sharedconfig DC whatever this is trying to do ??
[01/20/2015 17:13:20.0084] [2] Active Directory session settings for 'Set-SharedConfigDC' are: View Entire Forest: 'True', Configuration Domain Controller:mydomain.com', Preferred Global Catalog: 'mydomain.com', Preferred Domain Controllers:
'{ mydomain.com}'
[01/20/2015 17:13:20.0084] [2] User specified parameters:
-DomainController:mydomain.com' -ErrorVariable:'setSharedCDCErrors' -ErrorAction:'SilentlyContinue'
[01/20/2015 17:13:20.0084] [2] Beginning processing Set-SharedConfigDC
[01/20/2015 17:13:20.0178] [2] The call to Microsoft Exchange Active Directory Topology service on server 'TopologyClientTcpEndpoint (localhost)' returned an error. Error details No Minimal Required Number of Suitable Directory Servers
Found in Forest mydomain.com Site Default-First-Site and connected Sites..
[01/20/2015 17:13:20.0178] [2] No Minimal Required Number of Suitable Directory Servers Found in Forest mydomain.com Site Default-First-Site and connected Sites.
[01/20/2015 17:13:20.0178] [2] The call to Microsoft Exchange Active Directory Topology service on server 'TopologyClientTcpEndpoint (localhost)' returned an error. Error details No Minimal Required Number of Suitable Directory Servers
Found in Forest mydomain.com Site Default-First-Site and connected Sites..
[01/20/2015 17:13:20.0178] [2] No Minimal Required Number of Suitable Directory Servers Found in Forest mydomain.com Site Default-First-Site and connected Sites.
[01/20/2015 17:13:20.0178] [2] Ending processing Set-SharedConfigDC
[01/20/2015 17:13:20.0193] [2] Beginning processing Write-ExchangeSetupLog
[01/20/2015 17:13:20.0193] [2] An error ocurred while setting shared config DC. Error: The call to Microsoft Exchange Active Directory Topology service on server 'TopologyClientTcpEndpoint (localhost)' returned an error. Error details
No Minimal Required Number of Suitable Directory Servers Found in Forest mydomain.com Site Default-First-Site and connected Sites..
[01/20/2015 17:13:20.0193] [2] Ending processing Write-ExchangeSetupLog
[01/20/2015 17:13:20.0193] [2] Beginning processing Write-ExchangeSetupLog
[01/20/2015 17:13:20.0193] [2] Waiting 30 seconds before attempting again.
[01/20/2015 17:13:20.0193] [2] Ending processing Write-ExchangeSetupLog
[01/20/2015 17:13:50.0195] [2] Beginning processing Write-ExchangeSetupLog
[01/20/2015 17:13:50.0273] [2] [ERROR] Unable to set shared config DC.
[01/20/2015 17:13:50.0273] [2] [ERROR] Unable to set shared config DC.
[01/20/2015 17:13:50.0288] [2] Ending processing Write-ExchangeSetupLog
[01/20/2015 17:13:50.0288] [1] The following 1 error(s) occurred during task execution:
[01/20/2015 17:13:50.0288] [1] 0. ErrorRecord: Unable to set shared config DC.
[01/20/2015 17:13:50.0288] [1] 0. ErrorRecord: System.Exception: Unable to set shared config DC.
at Microsoft.Exchange.Configuration.Tasks.Task.WriteError(Exception exception, ErrorCategory category, Object target, Boolean reThrow, String helpUrl)
at Microsoft.Exchange.Configuration.Tasks.Task.WriteError(Exception exception, ErrorCategory category, Object target)
at Microsoft.Exchange.Management.Deployment.WriteExchangeSetupLog.InternalProcessRecord()
at Microsoft.Exchange.Configuration.Tasks.Task.<ProcessRecord>b__b()
at Microsoft.Exchange.Configuration.Tasks.Task.InvokeRetryableFunc(String funcName, Action func, Boolean terminatePipelineIfFailed)
[01/20/2015 17:13:50.0288] [1] [ERROR] The following error was generated when "$error.Clear();
$maxWait = New-TimeSpan -Minutes 8
$timeout = Get-Date;
$timeout = $timeout.Add($maxWait);
$currTime = Get-Date;
$successfullySetConfigDC = $false;
while($currTime -le $timeout)
$setSharedCDCErrors = @();
try
Set-SharedConfigDC -DomainController $RoleDomainController -ErrorVariable setSharedCDCErrors -ErrorAction SilentlyContinue;
$successfullySetConfigDC = ($setSharedCDCErrors.Count -eq 0);
if($successfullySetConfigDC)
break;
Write-ExchangeSetupLog -Info ("An error ocurred while setting shared config DC. Error: " + $setSharedCDCErrors[0]);
catch
Write-ExchangeSetupLog -Info ("An exception ocurred while setting shared config DC. Exception: " + $_.Exception.Message);
Write-ExchangeSetupLog -Info ("Waiting 30 seconds before attempting again.");
Start-Sleep -Seconds 30;
$currTime = Get-Date;
if( -not $successfullySetConfigDC)
Write-ExchangeSetupLog -Error "Unable to set shared config DC.";
" was run: "System.Exception: Unable to set shared config DC.
at Microsoft.Exchange.Configuration.Tasks.Task.WriteError(Exception exception, ErrorCategory category, Object target, Boolean reThrow, String helpUrl)
at Microsoft.Exchange.Configuration.Tasks.Task.WriteError(Exception exception, ErrorCategory category, Object target)
at Microsoft.Exchange.Management.Deployment.WriteExchangeSetupLog.InternalProcessRecord()
at Microsoft.Exchange.Configuration.Tasks.Task.<ProcessRecord>b__b()
at Microsoft.Exchange.Configuration.Tasks.Task.InvokeRetryableFunc(String funcName, Action func, Boolean terminatePipelineIfFailed)".
[01/20/2015 17:13:50.0288] [1] [ERROR] Unable to set shared config DC.
[01/20/2015 17:13:50.0288] [1] [ERROR-REFERENCE] Id=AllADRolesCommonServiceControl___ee47ab1c06fb47919398e2e95ed99c6c Component=EXCHANGE14:\Current\Release\Shared\Datacenter\Setup
[01/20/2015 17:13:50.0288] [1] Setup is stopping now because of one or more critical errors.
[01/20/2015 17:13:50.0288] [1] Finished executing component tasks.
[01/20/2015 17:13:50.0304] [1] Ending processing Install-BridgeheadRole
Windows Event Viewer:
Process Microsoft.Exchange.Directory.TopologyService.exe (PID=5276) Forest mydomain.com. Exchange Active Directory Provider couldn't find minimal required number of suitable Global Catalog servers
in either the local site 'Default-First-Site' or the following sites:Hi apl228,
1. Please make sure the IPv6 is enabled.
2. Please make sure the account that install Exchange server has Administrator permission.
3. Please make sure DNS has been configured correctly.
Thanks
Mavis Huang
TechNet Community Support -
Manual enabling and disabling of activation agent in active-active topology
For Active-Active Topology for Adapters we can deploy and run Oracle BPEL Process Manager and business processes on all nodes but only one adapter service is running at any given time. In case of failover we need to manually disable the Activation Agent on the failed node & enable the activation agent on another node.
One customer has the below queries. Could anyone help.
a)Is there any way to automate the process of enabling and disabling of activation agent in active active topology ie failover is auto-detected and enabling & disabling happens automatically?
b)What is the suggested clustering topology for BPEL from oracle
Regards,
Senthil
Message was edited by:
user554076Customer tried the configuration given in the doc http://download-west.oracle.com/docs/cd/B31017_01/integrate.1013/b31005/life_cycle.htm#CIABHCFE
But after applying the changes they are getting the following error message: "Invalid activation parameter.Activation parameter Physical/Logical Directory has invalid value. Check the error stack and fix the cause of the error."
1. Why this error coming?
2. Also the doc said If the BPEL PM servers (JVMs) in the cluster are located across TCP/IP subnet boundaries, then it is necessary to add the attribute clusterAcrossSubnet=true. Can I have more details on parameter "clusterAcrossSubnet=true" (with an example preferred)
Regards,
Senthil -
Hello,
I'm writing to ask for a question regarding Active Directory Topology Configuration.
I have Site A, Site B and Site C:
Site A is directly connected to Site B;
Site B is directly connected to Site C;
Site A can reach Site C passing through Site A.
I have to define Site Link(s) under Active Directory Sites & Services.
Based on information above, which is best way to setup it ? As Best Practice it is recommended that a site link contain only two sites. That said is it recommended to create first two only or all of three Site Links below ?
Site Link Site A <=> Site B
Site Link Site B <=> Site C
Site Link Site A <=> Site C
Thank you.
Bye,
Luca
Disclaimer: This posting is provided AS IS with no warranties or guarantees, and confers no rights. Whenever you see a helpful reply, click on [Vote As Help] and click on [Mark As Answer] if a post answers your question.Hi Luca,
Regarding the environment here, I think two site links are enough.
When creating site links, ensure that every site is included in a site link. In addition, ensure that all sites are connected to each other through other site links so that the changes can be replicated from domain controllers in any site to all other sites.
See here:
Creating a Site Link Design
http://technet.microsoft.com/en-us/library/cc732837(v=ws.10).aspx
More reference:
Designing the Site Topology for Windows Server 2008 AD DS
http://technet.microsoft.com/en-us/library/cc772013(v=WS.10).aspx
How Active Directory Replication Topology Works
http://technet.microsoft.com/en-us/library/cc755994(WS.10).aspx#w2k3tr_repto_how_uvgz
Hope this helps
Best regards
Michael
If you have any feedback on our support, please click
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Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. -
How to configure multiple domains in Active directory
HI,
How can I configure multiple domains on Active Directory. When I installed AD it asked for a domain name, there I gave ravigupta.com as domain name. But now I find no way of creating another domain.
I am a java developer and my task is to write a programme which returns all the domains available in LDAP server.
To start with ,I tried to create few domains in LDAP server ( AD ) but stuck up ,as i found there could exist only one domain.
Please tell me how to configure multiple domains in LDAP server ( Active Directory).
I skiped DNS configuration while AD installation.
-raviI'm sorry, but you should be asking on a different forum. This has nothing to do with Java.
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How to configure Enterprise Manager in Active Data Guard?
Hi,
I have installed oracle 11g r2 rac with asm in two nodes. OS is hp-Unix.
I have installed oracle11g Active Data Guard using Single alone Database.
Both RAc and Active Data Guard works fine.
I have not configure Data Guard Broker.
Question: How to configure Enterprise Manager in Active Data Guard?
Thanks
Solaimanhttp://www.gokhanatil.com/2012/04/manage-your-existing-data-guards-with.html
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Is it possible to configure NLB clustering in Active/Active mode.
Hello Guys,
Just wanted to know If I can manually configure my NLB cluster to work in ACTIVE/ACTIVE mode as we can do for Microsoft fail over clustering.
Thanks & Regards
Amit Pal SinghHi Amit Pal Singh,
I think you must some misunderstand about the failover and NLB, I assume you are trying to install the Failover cluster, you can refer the following article to install the
A-A failover cluster.
Creating an Active/Active SQL Cluster using Hyper-V: Part2 the Clustered Instances
http://blogs.msdn.com/b/momalek/archive/2012/04/11/creating-an-active-active-sql-cluster-using-hyper-v-part2-the-clustered-instances.aspx
More information:
How Network Load Balancing works
http://technet.microsoft.com/en-us/library/cc738894(v=ws.10).aspx
I’m glad to be of help to you!
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. -
Active-active vs Active-pasive topology
We are trying to install soa-suite in High Availability Environment.
I understand that active-active more scalable and better performance.
Is any body know on how much more work to install active-active topology?
Is it a lot more difficult to maintain in active-active compare to active-passive?
What is drawback of having active-active enrironment?
Is most people using active-active or active-passive?
Thanks
AndrewHello,
You will have more chance to find an answer in the Oracle Application Server - General.
Regards
Tugdual Grall -
Two node - Two site Active/Active DAG Configuration
Information
Both sites exist in a single AD domain
Site A
1 Exchange 2013 multi-role server (CAS + MBX)
Server will contain mailboxes for individuals who work in Site A
Server will contain database copies of databases in Site B
Site B
1 Exchange 2013 multi-role server (CAS + MBX)
Server will contain mailboxes for individuals who work in Site B
Server will contain database copies of databases in Site A
Goal
To create a configuration where users who work in Site A have their mailboxes active in Site A and users who work in Site B have their mailboxes active in Site B.
Questions
Since this DAG has an even number of members, where do I place the witness server? Do I need two witness servers, one in each site?
It seems to me as long as both sites can still communicate, I only need one witness server to maintain quorum.
To my current understanding, if Site A has a witness server, and Site A looses its WAN connection, Site B's databases are going to go offline because it has lost quorum.
I'm assuming if I placed a witness server in each site, and one of the sites lost its WAN connection, then I'd be placed in a split-brain scenario as both sites would still think it had quorum. Is this accurate?
The company has given me a limited budget hence the reason for only having two exchange servers in this setup. Is my only recourse to have four nodes (two nodes per DAG) in this active\active scenario? If the company says they absolutely cannot spend money
on two more servers, could I use the current setup in an active\passive configuration?
Thanks!You would need to place the File Share Witness in a 3rd datacenter for automatic failover, otherwise depending which DC the FSW is ( and you can only have one FSW per DAG active a time), then in case of a WAN or DC failure, the databases will be active in
the DC that has quorum.
If the FSW is in Site A and Site A goes down, then quorum is lost and Site B will need to be manually swithed over using this procedure:
http://technet.microsoft.com/en-us/library/dd351049(v=exchg.150).aspx
To be truly active/active in both DCs, then you would need to 2 DAGs with each respective FSW in each DC that has the preferred user base.
Twitter!: Please Note: My Posts are provided “AS IS” without warranty of any kind, either expressed or implied. -
DB & CI - MSCS Active-Active Cluster configuration.
Hi all,
I could find several solutions searching for posts about Clustering, but am still having doubts.
We are going to install servers for our erp application - SAP. One server shall be DB server (Database) and another CI server (Content). OS - Windows Server 2003 -R2, Enterprise Edition and SQL 2005.
We want to have both these servers to be clustered as Active-Active. Going through the posts, Active-Active does not seem to be recommended from microsoft compared to Active-Passive cluster.
Can someone please guide about this ?
Also if someone can please provide link - how to configure Active-Active cluster in Windows server 2003 for SAP servers. Sort of step-by-step guide if available ?
Thanks in advance.
KalpeshHi,
You don't tell us which SAP ERP product you want to be clustered...
ECC is different from R/3 for this matter...
SAP MSCS Clusters are active-active in the way that each node has its own role in nominal configuration (no fail over).
SAP MSCS clusters are Active-PAssive in the way that tha database or SAP components run on only one single node.
For ECC6, you have SQL server running on one node and the SCS running on the other node.
If you want to really use the cpus of the second node, you can install the CI (which is in fact the first DI) on the second node.
For MSCS, you have to follow the configuration explained in the SAP installation guide. Otherwise your system will not be supported.
Regards,
Olivier -
Triggers in active-active configurations
Hi,
I am new to Goldengate and are looking for best practices regarding database triggers when replicating with Goldengate in an active-active configuration.
Will best practices be to not replicate tables which are filled by triggers or is it some magic parameters?
Scenario: To databases, both with active users. Tab1 in both databases has a trigger updating tab2. Will best practices be to just replicate tab1 with Goldengate?
Thank You for Your help!HI,
I think this will help you....
SUPPRESSTRIGGERS |
NOSUPPRESSTRIGGERS
Valid for Replicat for Oracle. Prevents triggers from firing on target objects that are configured for replication with Oracle GoldenGate. You can use this parameter for Oracle 10.2.0.5 and later patches, and for Oracle 11.2.0.2 and later, instead of manually disabling the triggers. To use this option, the Replicat user must be an Oracle Streams administrator, which can be granted by invoking dbms_goldengate_auth.grant_admin_privilege. -
RAC Active/Active VS Active/Passive 11g Configuration
Thanks in advance.
I appreciate your experience with implementing RAC in an Active/Active VS Active/Passive Configuration of 11g RAC.
Much of my experience has been with Active/Active to take full advantage of performance capability of both nodes (2 node cluster). As such, I don't see the advantages of Active/Passive RAC configuration.The benefit is that you can save on licensing costs while gaining availability
Bjoern
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