What is correct method to deploy cluster aware technology using HA VMs?

Dear all,
I recently had experience creating Hyper-V Server 2012 cluster. This allows for deploying a highly available virtual machine. That's fine. The business machine (virtual machine) becomes highly available. This includes an existing VM enabled to be highly
available or a new VM installed into cluster from scratch.
On the other hand; we have cluster aware applications (SQL Server, SCVMM etc.) which are installed in clustered OS (Windows 2008 R2 Enterprise edition which has failover clustering service) .
Just for clearing concept; what is correct way of deploying a cluster aware technology (SQL Server, SCVMM) in the scenario where the underlying OS; running in VM(s) can be made highly available.
Method 1:
Create simple non clustered VM, install cluster aware application (SQL Server e.g.). Make this VM highly available using Hyper-V cluster. (This seems to be clustering the VM running cluster aware application, not the cluster ware application; which
requires clustering.)
Method 2:
Create HA-enabled VM onto Hyper-V Servers cluster; install cluster aware application within this HA-enabled VM. (This again; the underlying OS/VM is clustered first, the cluster aware application (SQL server or others) how would it leverage
the cluster?)
Please shed light on what is correct method. In both cases it seems the VM running the cluster aware application; is made highly available; meaning leveraging clustering. What about clustering the application
itself? The objective is to be able to not only make the VM highly available; but also deploy clustered SQL Server or other cluster aware technology using such HA VM.
Regards,
Shahzad.
With SQL Server both M1 and M2 are by far the best solutions. See guest VM cluster is non-optimal as SQL Server works better with own clustering features (AlwaysOn, see link below). And HA would make VM re-boot on another physical host so there would be
both downtime and potential data loss. Run SQL Server in a pair of VMs on a different physical hosts, configue AlwaysOn (use failover SMB share as a witness) and you'll be fine. See:
Overview of AlwaysOn Availability Groups (SQL Server)
http://technet.microsoft.com/en-us/library/ff877884.aspx
How to Build SQL Server
2012 AlwaysOn Hyper-V Virtual Machines
http://social.technet.microsoft.com/wiki/contents/articles/6198.how-to-build-sql-server-2012-alwayson-hyper-v-virtual-machines-for-demos-emu-build.aspx
SQL Server 2012 AlwaysOn High Availability and Disaster Recovery Design Patterns
http://blogs.msdn.com/b/sqlcat/archive/2013/11/20/sql-server-2012-alwayson-high-availability-and-disaster-recovery-design-patterns.aspx
Also the best place to ask about SQL Server High Availability is dedicated MSFT group here:
SQL Disaster Recovery Forum
http://social.technet.microsoft.com/Forums/sqlserver/en-US/home?forum=sqldisasterrecoveryHope
this helped :)
StarWind VSAN [Virtual SAN] clusters Hyper-V without SAS, Fibre Channel, SMB 3.0 or iSCSI, uses Ethernet to mirror internally mounted SATA disks between hosts.

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Whats the best method to deploy sccm 2012 client

Hello what is the best method to deploy SCCM 2012 client, is there a script that should be used as sometimes the client push fails. In particular pushing the client to server 03 /08/12 types.
Thankyou
SCCM Deployment Technician

Ultimately, the best method is whatever works for you. Every environment is different and has unique constraints and requirements. You first need to learn out each of the methods and what they do to be able to properly evaluate which will work best for you.
Kind of like mining for gold, who cares how you got it out of the ground, once you get it out, you're rich :-) But if you rely on someone else telling you what the best way was for their mine, you may not be doing it the best way for your mine thus you need
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Often, using multiple methods is best though because each has its pros and cons (yes, even my startup script -- thanks for the cheerleading Michael and Tim). But as mentioned, it all comes down to you learning about your environment and the different
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Jason | http://blog.configmgrftw.com

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Cluster aware updating via WSUS

I can't seem to find this information anywhere,
I have setup a 2 node hyper-v 2012 baremetal cluster and configured it with cluster aware updating role (CAU)
the environment is not internet facing and the updates need to come through a local WSUS server, a capability
mentioned
in many articles, however no guidelines on how to actually do it
CAU is configured with the microsoft.windowsupdateplugin in self-updating mode
I'm not sure how to point the CAU role to the local WSUS host, obviously no updates are occuring since there is no internet access to the MS update servers and WSUS cannot simply be auto-discovered
has anyone done this or know how to make this work? I can only assume I would have to pass on some sort of argument to the CAUpluginArguments field with the http/s link to the WSUS infrastructure but can't find the proper string
thanks in advance,
armin

For clarity, when setting up the special GPO to send the WSUS settings to the cluster, what is the best way to configure the "Configure Automatic Updates" policy? Is it to '3 - Autodownload and notify for install' and then the CAU client on the hosts
will take it from there?
It must be AUOption='3'. It's the only way to ensure the binaries are available for installation when CAU kicks off the update, and still not involve the configuration of a
scheduled installation event.
The technet seems to suggest that both option 2 & 3 on that list would work,
I would be skeptical of AUOption='2'. How are the binaries going to get downloaded? If CAU tells the WUA to install updates, and the updates are not downloaded, ready for installation, nothing's going to get installed. (Unless somebody is claiming that CAU
will also launch a download. However, that would unnecessarily extend the amount of time needed to patch a given node of the cluster, so certainly an undesirable configuration at best. Much better to have all files downloaded
before launching the installation task.
I'd also point out that if you're implementing CAU, there's no reason NOT to let the binaries download automatically. AUOption='2' would be used when you want to control WHEN the binaries are downloaded by launching the download interactively.
Is it correct to apply the WSUS GPO to that whole OU, to all 4 machine names?
The GPO is just a methodology to configure a Windows Update Agent with the desired settings. Neither the GPO, nor the WUA, care whether it's on a cluster node or not. What's correct is to configure the machine the way you want it configured.
Lawrence Garvin, M.S., MCSA, MCITP:EA, MCDBA
SolarWinds Head Geek
Microsoft MVP - Software Packaging, Deployment & Servicing (2005-2014)
My MVP Profile: http://mvp.microsoft.com/en-us/mvp/Lawrence%20R%20Garvin-32101
http://www.solarwinds.com/gotmicrosoft
The views expressed on this post are mine and do not necessarily reflect the views of SolarWinds.

Making the application cluster-aware

Hi,
          I have just been assigned a multi-tier J2EE application with the task of
          making it "work in a cluster". The earlier architects (if i may use the
          term), just "assumed" that weblogic would provide support for
          high-availability and they would not need to do any code changes.
          So I have this application that has about 100 EJBs - about 40 Entity Beans,
          only two SFSB and the rest are SLSB.
          What would be the best strategy to go about making this application
          cluster-aware?
          I could think of the following points so far:
          1. Identify idempotent methods in all EJBs.
          2. Make all session-stored objects serializable in the web-tier. Make sure
          objects are not too huge to be serialized (don't know if I would be actually
          able to modify - too late for that).
          3. Modify bean descriptors to make them clusterable.
          4. Make web app clusterable.
          5. Look for code that uses non-replicable services (file system access,
          sockets, etc.).
          I'm sure there must be more that I've missed. Anything more that needs to be
          added to the list above? Would there be a scenario where the EJB clients
          (other beans themselves, the web tier, RMI clients, etc) would need to be
          changed?
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          not?). But what would be the best way to modify the deployment descriptors
          of all these beans?
          TIA
          With Warm Regards,
          Manav.


Hi Manavendra,
          By default all EJBs are clusterable because the default value of
          <home-is-clusterable/> is true and <stateless-bean-is-clusterable/> default
          is true. For stateful session EJBs, you will have to configure the
          replication type to InMemory as it defaults to none. Unless you have
          specifically added these elements to turn off clustering, they should
          already be clusterable.
          Typically, you will find performance is better if the web app and EJBs are
          deployed in the same JVM, because there are no remote calls. By default
          <enable-call-by-reference/> is set to true which allows arguments to be
          passed by reference rather than copying parameters. If calls are remote,
          then <enable-call-by-reference/> must be false as pass by value will always
          be necessary in this case.
          Jane
          "Manavendra Gupta" <[email protected]> wrote in message
          news:[email protected]...
          > Jane,
          >
          > I appreciate you taking out time to reply.
          >
          > <headers trimmed>
          > > > 1. Identify idempotent methods in all EJBs.
          > >
          > > You only need to do this if your EJB clients are remote. If the client
          is
          > a
          > > web app deployed in the same JVM as your EJBs, you don't need to worry
          > about
          > > it since WebLogic will create the EJBs on the same JVM as the web app.
          > Like I said, its a multi-tier application, so there is the web-tier making
          > calls to the EJB tier (though thankfully, there is a EJB "API" layer -
          that
          > consists of multiple Session Facades, ensuring network calls are
          minimized).
          > I'm not sure if the web-tier and the EJB-tier in the same application are
          in
          > the same VM in weblogic?
          >
          > Finally, I might need to separate the two tiers physically, though I'm
          still
          > trying to find out the parameters on which I'd need to do that (when to
          farm
          > and when to cluster?).
          >
          > So, the short reply, yes, the clients would be remote.
          >
          > > > 3. Modify bean descriptors to make them clusterable.
          > >
          > > They are clusterable by default. For stateful session EJBs you will
          want
          > to
          > > use in-memory replication. You didn't mention the version of WLS you
          are
          > > using pre-6.1SP3 has a few problems with this, so you might want to
          check
          > > with Customer Support if you are using SP1 or SP2.
          >
          > Sorry about that. The OS used is RHL6.2 and we are using weblogic 6.1 with
          > SP1 (thats the only one certified on 6.2). Its intriguing when you say
          that
          > all EJBs in WL 6.1 SP3 would be "clusterable by default". How does it do
          > that? Does it generate clustering descriptors for all beans deployed?
          Could
          > you shed more light on this?
          >
          > > > 4. Make web app clusterable.
          > > If using in-memory replication for HttpSession state, make sure you set
          > the
          > > session descriptor persistence type to "replicated" not "memory". This
          is
          > a
          > > point of confusion for a lot of folks.
          >
          > Thanks for the heads-up on the that. I'll keep this in mind.
          >
          > > > 5. Look for code that uses non-replicable services (file system
          access,
          > > > sockets, etc.).
          > > EJBs should not do things like this even if not running in a cluster.
          >
          > I agree EJBs should not be doing this, and chances are they will not be
          > doing this in the code either. But I'm not sure. Also, they might be
          using
          > objects that are doing this, and I'm not sure if everything will work
          > seamlessly in that case.
          >
          > > > I'm sure there must be more that I've missed. Anything more that needs
          > to
          > > be
          > > > added to the list above? Would there be a scenario where the EJB
          clients
          > > > (other beans themselves, the web tier, RMI clients, etc) would need to
          > be
          > > > changed?
          > >
          > > If your EJB clients are remote clients, you might need to modify code to
          > > handle failover (depending on the type of EJB you are using). The
          > > examples.ejb.cluster sample that ships with WebLogic is a good example
          to
          > > look at.
          >
          > Thanks again. I'll check this one out.
          >
          > Finally, the prime reason for posting this was to gain insights into such
          a
          > situation that I was hoping someone on this list had handled before.
          >
          > --
          > With Warm Regards,
          > Manav.
          >
          >
          >

Can i use 2 methods to deploy icon files in Oracle IDS?

Dear all,
I'm using Oracle 9IDS(Forms) and i'm trying to use 2 methods to deploy icon file:
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-In deployment phase, on the same plateform, i use jar file following these steps:
1- I store jar file in same directory with all runtime files(fmx, mmx, etc.)
2- i create a virtual path(/forms90/Tel/) to map with this directory
3- in formsweb.cfg, i put the following line:
[myapp]
imagebase=codebase
archive_jini=f90all_jinit.jar,/forms90/Tel/images.jar
When i call my application directly (http://localhost:8889/forms90/f90servlet?config=myapp),
icons don't appear.
I would like to know, what's wrong?It's possible to use theses both methods for deploy icons on the same plateform?
Thank u for your help

Hi Franck,
I thank that red correctly the document(how deploy icon on web).But that isn't the matter.I update my formsweb.cfg as you advise me
[myapp]
archive_jini=...,/forms90/images.jar
imagebase=codebase
Icon don't appear at runtine while other gif files(splashscreen,logo) appear.Notice these others gif files are compressed in the same jar file. Notice also, that when i use default.icon.path parameter in registry.dat file, icons are well deployed.
It's incomprehensible.
Thanks you for your help!

Cluster Aware Updating - Failed to restart - The RPC Server is unavailable

I have a 3 node Windows Server 2012 R2 Failover Cluster, and I'm having trouble getting Cluster Aware Updating to work properly. I have been able to successfully apply updates that do not require a reboot, however, anytime I have updates that
do require a reboot, the process fails. The error message says:
Failed to restart <ServerName>:(ClusterUpdateException) Failed to restart <ServerName>:(Win32Exception) The RPC server is unavailable ==> (Win32Exception) The RPC server is unavailable
I have verified that the firewall rule to allow automatic restarts is configured according to Technet: Requirements and Best Practices for Cluster-Aware Updating
I have also made sure that the CAU AD account has local admin rights, as well as "Force shutdown from a remote system" rights on each of the cluster nodes. In this case, I have been applying updates manually from my workstation (which is not a
member of the cluster) while logged in with Domain Admin rights (as opposed to letting the cluster update itself based on a schedule). I'd like to verify that the entire process works properly before letting it update itself. What am I missing?

Hi Duct tape and super glue,
Could you offer us more information about your environment status now, such as
CUA Role name is online or not, firewall settings and the event ID, “The RPC server is unavailable” is the typical caused by the WMI or DCOM communication was not running or block, please verified that the firewall was set correctly, WinRM
is enabled.
More information:
What is Cluster Aware Updating in Windows Server 2012? (Part 2) [VIDEO]
http://blogs.technet.com/b/mspfe/archive/2013/03/07/what-is-cluster-aware-updating-in-windows-server-2012-part-2-video.aspx
Configure Remote Management in Server Manager
http://technet.microsoft.com/en-us/library/hh921475.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.

Is it cluster awared application?

Hi,
          My company has purchased for an e-commerce applications from our vendor.
          That applications was running on WebLogic 4.5.1. Our vendor claim that their
          application is cluster awared application. The user interface of the client
          is managed by Java Applet. In the weblogic.properties, I didn't see any jdbc
          connection pool configuration and has only a
          weblogic.ejb.deploy.something=something.ser. I know that some cluster
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          My question is how can I verify that the application that we purchase is
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          install this kind of application into the WL clustering machine.
          Thanks in advance
          Skon L.


I think it is better to talk to your vendor and ask them to give your some
          test cases on failover and load-balancing of their products built on top of
          WLAS.
          Cheers - Wei
          Skon Lapamnuaypol <[email protected]> wrote in message
          news:[email protected]...
          > Hi,
          > I think my question might be uncleared. I know how to setup a WLAS
          cluster.
          > But, I want to verify that the application itself is cluster awared
          program.
          > Do I have any way to verify this?
          >
          > Thanks,
          > Skon L.
          >
          > Wei Guan wrote in message <[email protected]>...
          > >1) Go to $WL_HOME/licence, check WebLogicLicense.xml to see if it has an
          > >entry called "WebLogic/ClusterII"
          > >2) Follow instructions to install WLAS instances in a cluster and install
          > >their application.
          > >3) Run it, and go to weblogic.Console to verity that those WLAS instances
          > >are in the same cluster.
          > >
          > >Hope it helps.
          > >--
          > >Cheers - Wei
          > >
          > >
          > >
          > >Skon Lapamnuaypol <[email protected]> wrote in message
          > >news:[email protected]...
          > >> Hi,
          > >> My company has purchased for an e-commerce applications from our
          vendor.
          > >> That applications was running on WebLogic 4.5.1. Our vendor claim that
          > >their
          > >> application is cluster awared application. The user interface of the
          > >client
          > >> is managed by Java Applet. In the weblogic.properties, I didn't see any
          > >jdbc
          > >> connection pool configuration and has only a
          > >> weblogic.ejb.deploy.something=something.ser. I know that some cluster
          > >> awared application config. can be setup in META-INF file by using
          > >> weblogic.deployer. But, I don't know how to check it on .ser file.
          > >> My question is how can I verify that the application that we purchase
          is
          > >> cluster awared application. If it's not cluster program, what do we get
          > >from
          > >> install this kind of application into the WL clustering machine.
          > >>
          > >> Thanks in advance
          > >> Skon L.
          > >>
          > >>
          > >>
          > >
          > >
          >
          >

SCCM and Cluster Aware Updating

Hi All,
I have installed a Hyper-v 2012 r2 Cluster and would like to utilise the cluster aware updating mechanism and also use SCCM 2012 SP1 to manage the deployment of updates. I have checked online and the following article seems to suggest that both can
live together.
http://technet.microsoft.com/en-us/library/hh831367.aspx
My question is... has anybody got this working as yet? I have delivered the updates to the hosts but when I check to see what is available in the CAU tool it picks up nothing.
Cheers
Chris

Despite what the article says I would use any interoperability with extreme caution.
Gerry Hampson | Blog:
www.gerryhampsoncm.blogspot.ie | LinkedIn:
Gerry Hampson | Twitter:
@gerryhampson

Unable to bind a cluster-aware stateless session EJBObject to the name

I have been struggling with "Unable to deploy EJB" because of
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I'm using WL6.1 sp2.
Anyone could give me a hint?
Thanks!

In config.xml remove the <Application></Application> tag for Ejb.
Application Deployed="" Name=""
Path="">
<EJBComponent Name="" Targets="" URI=""/> </Application>
gary <[email protected]> wrote:
Hi guys, hope you can help:
I had to change the packages of some ejbs and now when I try to deploy
the new .jar file I get the error below. I have tried deleting the ejb's
off the server, rebooted the server and nothing seems to work. Any help
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Thanks in advance,
Gary
Unable to deploy EJB: quizinterface from etvquiz-ejb.jar:
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is correct. The error was:
javax.naming.NameAlreadyBoundException: Can't rebind anything but a replica-aware
stub to a name that is currently bound to a replica-aware stub; remaining
name ''
<<no stack trace available>>
>
<Nov 1, 2002 1:57:46 PM GMT> <Error> <Management> <Error deploying application
.\config\mydomain\app
lications\etvquiz: java.lang.reflect.UndeclaredThrowableException>

Using WSUS for Cluster Aware Updates and SCCM???

Can WSUS support SCCM and CAU(cluster aware update) from the same WSUS instance? E.G. If I have my SCCM infrastructure getting its patches from a server called SCCM01 lets say and the primary/central site is also on this box, can the WSUS instance on
this server support CAU or will that break SCCM? I ask because one of our admins did exactly this a few weeks ago and we end up having to reinstall WSUS. It could have been a coincidence but that WSUS instance had been running fine since it was built. Seems
kina strange it broke relatively quickly.
I've read plenty of sites that say to avoid meddling in the WSUS console once SCCM is installed but I can't find a specific technet article saying not to do this. I just built the 2012 environment and they're wanting to configure it the same way and I'm
refusing because I suspect it will break either SCCM 2012 or WSUS or both! Please if someone could point me in the right direction or offer some clarity I would very much appreciate it. So far all I've seen about CAU is that it does support SCCM and WSUS but
I can't find any documents saying what the repercussions of configuring CAU to use the same WSUS instance that SCCM uses. Thanks in advance. -KR.

Correct, ConfigMgr is unaware of cluster updating or the WSUS capabilities around clustering.
Also correct that direct WSUS administration after WSUS is integrated with ConfigMgr is a bad thing. There is no specific article that says don't do "stuff" in the WSUS admin console but it is eluded to in the TechNet docs (http://technet.microsoft.com/en-us/library/gg712696.aspx) and
I do know that it is specifically unsupported. I also know from experience that it will/can cause issues.
Cluster patching with ConfigMgr can be done using multiple techniques including maintenance windows, Orchestrator, or other automation tools but there's nothing definitively built in
Jason | http://blog.configmgrftw.com | @jasonsandys

Starting ColdFusion Multi-Server Instances - Correct Method

Can someone please provide me with the correct method of starting multi-server instances of ColdFusion from the command line?
I have been using:
/<jrun4 home>/bin/jrun -nohup -start cfusion (for the cfusion instance)
/<jrun4 home>/bin/jrun -nohup -start <coldfusion instance 2> (for a second instance of coldfusion)
etc.
I see however that when the second instance of coldfusion (<coldfusion instance 2>) is started from the ColdFusion Administrator (Enterprise Manager - Instance Manager), it appears as the following:
/<jrun4 home>/bin/jrun -nohup -start -childVM <coldfusion instance 2>
What is the purpose of the -childVM switch that appears to be used when starting the instance from the ColdFusion Administrator (Enterprise Manager - Instance Manager)? Should it be used when manually starting the instance from the command line?
Is there an online reference for the jrun swithces to be used when starting ColdFusion instances? I have not been able to find any.
Thank you in advance for your assistance.

This is one are were you won't find too many good docs on.
I have two servers running CentOS in a cluster, with each server running two CF 8.1 servers in a cluster on each server. So I have 4 CF prod servers.
The problem you will find is that the admin server interface can stop/start a service, but it uses the same jvm.config file as with thich the admin server was started. I have searched a lot, but couldn't find a solution to start the servers from the admin console. So I start them vir the "service" option on the OS level.
So I build a script were I can start each server with its own jvm.config file. Madness to allocate 1Gig of mem for the admin server just so that the other servers can get 1Gig as well.
Here is my startup script:
[root@clu1 logs]# cat /etc/init.d/coldfusion8multi
#!/bin/sh
# chkconfig: 345 90 14
# description: starts the MultiServer cfusion instance
if [ -f /etc/rc.common ]; then
. /etc/rc.common
fi
# Start ColdFusion 8 Multiserver
# Because this is a start up script, and will be run by root, we use a specific
# user (the user who installed) to run ColdFusion
CF_DIR="/opt/cfusion/clu1_man"
RUNTIME_USER=""cfusion""
su $RUNTIME_USER -c "$CF_DIR/bin/jrun -start cfusion >& $CF_DIR/logs/cfusion-event.log &"
su $RUNTIME_USER -c "$CF_DIR/bin/jrun -config $CF_DIR/bin/jvm.config_clu1 -start clu1_01 >& $CF_DIR/logs/cfusion-event.log &"
su $RUNTIME_USER -c "$CF_DIR/bin/jrun -config $CF_DIR/bin/jvm.config_clu2 -start clu1_02 >& $CF_DIR/logs/cfusion-event.log &"
Hope it helps a bit.

Cluster aware Timers

Hi,
Are Weblogic Timers cluster aware. We have some server functionality which is executed as a background task.(initiated by timer). If we cluster our application, will this impact our current implementation?
If timers ARE cluster aware, then it shouldn't be a problem. If they are not, how would this be resolved?
Regards
Mike

Mike,
It seems that polling event generators (e.g. file or timer based ones) are not cluster aware. i.e. if you deploy a timer based event generator to the cluster, an event will be fired on each member of the cluster at every interval.
In my case, this has the unexpected result of firing off a backend process twice on a two node cluster, which is not what I want.
In order to ensure that only one event is fired with respect the entire system we are looking at deploying the generator on the admin server.. or possibly adding code into our backend process to ensure that only one instance is running on the cluster at any given moment. Not the best I know. Did you manage to come up with anything?
Regards,
Greg

What is best practice for deploying agent(10204) on RAC 9i

Hello,
What would be best practice for deploying agent(10204) on RAC 9i? Should the agent be deployed on each node or should the agent be deployed on the cluster file system? What are the advantages/disavantages deploy on individual nodes vs. on cluster file system? Please advice. Thank you in advance.

Please use agent push application to deploy agent on all the nodes at one shot
Please refer the obe
http://www.oracle.com/technology/obe/obe10gemgc_10203/agentpush/agentpush.htm

What is best practice to deploy webpart into 1. Solutions Galary, 2. GAC, 3. BIN?

I am trying various ways to deploy webpart. Can you please provide me best practice methods to deploy webpart into:-
Case 1. Solutions Galary: ?
Case 2. GAC: ?
Case 3. BIN: ?

That is going to depend on what is in the web part...
There are "apps", "sandboxed solutions" (becoming deprecated in 2013), "Farm Solutions" if you have dlls that need to be deployed to the gac.
Apps - More for javascript (or if you have server side code that you want to run on a server that is not in sharepoint
sandboxed solutions - run in the context of a site, but cannot add dll to gac (or consume certain dlls such as system.web, etc...) so anything that you want to do outside the context of the current site collection is not allowed
Farm Solution - allows you to deploy .Net code to the GAC. Would package as a wsp and give it to an admin to install (requires app pool resets and/or iis resets).

What is correct method to deploy cluster aware technology using HA VMs?

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