Cluster-Aware Updating
Cluster-Aware Updating
i am reading about Cluster-Aware Updating and i installed on my hyper failover cluster .
Till now i have some questions ....
why should i use Cluster-Aware Updating although i have wsus installed in my enviroment ?????
can we said Cluster-Aware Updating is replacment of WSUS ?
i installed Cluster-Aware Updating but till now when i click on ( preview updates for this cluster ) i didnt anymore updates .
please need help in this matter .
thanks
Hi Moonlight2000,
Cluster-Aware Updating is not a replacement for WSUS: it's the feature that helps update all cluster nodes automatically - you need setting up updating just for the cluster itself, not for each of its nodes. Otherwise you would need to update each
node one by one and it would be you who's responsible for updating each node exactly in the same manner as others.
Regards,
Michael
Thanks for all your help
but still have one issue :
i installed Cluster-Aware Updating but till now when i click on ( preview updates for this cluster
) i didnt anymore updates .
how can i ensure am installed CAU correctly ?
how can i know from where CAU takes updates from wsus or Microsoft update ?
thanks
Similar Messages
-
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!
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Cluster Aware Updating - can't install cluster role
Looking for some assistance with enabling cluster aware updating. I currently have an 8-node cluster for Hyper-V running Windows Server 2012 R2. While trying to enable Cluster Aware Updating, it fails on the actual creation of the cluster role and I receive
the following error message:
There are no more endpoints available from the endpoint mapper.
I'm not seeing any other information in event viewer, etc. that I can use to troubleshoot this. Has anyone come across this before? Thanks.Eventually found my own solution. I was receiving that error because the Windows Firewall service was turned off on all cluster members. After enabling the Windows Firewall service, I was able to get past the error message.
-
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,
arminFor 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. -
Cluster Aware Updating - Multiple at once?
SO we have two clusters running Server 2012. If I kick off Cluster Aware Updating on one cluster, can I then disconnect from that cluster, join our other one, and kick off updating on that one?
I know when i connect to one from the other it tells me it will disconnect me from the first one but I don't know if that means it will stop or if it will keep going and I just can't see what it's doing.
Thanks!I'm not sure I understand your question. Cluster aware updating can be scheduled on each cluster independent of anything else that is in your environment. I don't know what you mean when you say you 'disconnect' from one cluster and
'connect' to the other. Are you logging out of one cluster and into another?
. : | : . : | : . tim
So when I run the Cluster Aware Updating program, I get a dropdown box where I can choose which cluster I want to connect to. I pick one of them and then click Apply Updates and go through the wizard. This then starts that cluster updating and
I can sit and watch it install, reboot, etc.
While that's running, if I try to change the cluster I'm viewing to start the updates on the second cluster, I get an warning box that if I connect to the other cluster, the first cluster will stop updating which is not what I want. I just wanted a
way that I can kick off updates on one cluster and then kick them off on another cluster so they'd both be going at the same time. -
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
ChrisDespite what the article says I would use any interoperability with extreme caution.
Gerry Hampson | Blog:
www.gerryhampsoncm.blogspot.ie | LinkedIn:
Gerry Hampson | Twitter:
@gerryhampson -
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 -
Cluster aware updating hotfix plugin succeeded with 0 installed updates
we try to apply Hot fixes to Hyper-V 2012 Nodes using CAU
we prepared every thing for using CAU Microsoft Hot fixes plugin
then generate update preview list successfully
then Apply updates for cluster the log show succeeded operation
but when you Run report for applied updates it shows 0 installed updates
can anyone help why 0 updates installed
thanks
AhmedAll recommendation applied and CAU working fine for WindowsUpdatePlugin
the problem only with MicrosoftHotfixesplugin
thanks
Ahmed -
Cluster Aware Updating File Share
I don't understand the file share requirements when configuring the Hotfix plugin. What permissions are needed on this share? I have downloaded all of the hotfixes needed and just need to create the share now.
MCITP Exchange 2010 | MCITP Lync Server 2010 | MCTS Windows 2008Hi Vegas,
As to "Restrict access to the hotfix root folder" please refer to following link:
http://technet.microsoft.com/en-us/library/847b571b-12b3-473c-953f-75a5a1f51333#BKMK_ACL
" If the script is located on a network file share, ensure that you configure the file share for Read permission for the
Everyone group, and restrict write access to prevent tampering with the files by unauthorized users. "
Please refer to following link:
http://technet.microsoft.com/en-us/library/jj134224.aspx
Best Regards
Elton Ji
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. -
Metalink mentions that the Cluster aware cache can only be seeded using ibots or using SAseed command line.
Does nayone one know if progress has been made so that answers query also results in cache seeding? Also wondering if Marketing segmentation queries can be seeded. ( we tried and do not see any chache using anwsers and marketing).I assume you are talking about coherence.
Cache should be shared across WebLogic clusters, as long as the coherence client node (the individual weblogic server) is configured at network level to connect to the same Coherence Cluster (see tangosol-coherence-override.xml for more info on network parameters). Updates to a cached object should be reflected across all instances of Coherence cluster.
you can choose to which Coherence cluster to connect by passing to CacheFactory.getCache() a classloader where a separate Coherence configuration has been loaded
this is all I know about coherence :o) .
If someone finds this info is wrong, please correct me.
Edited by: PierluigiVernetto on Sep 28, 2010 9:42 AM -
Cluster aware Cache - Reg CacheFactory.getCache()
Hi,
Is the Cache object created using CacheFactory.getCache() is cluster aware?
We would like to cache data which needs to be available across clusters.
The application meta-data does not require frequent updates.
If we create Cache using weblogic APIs, will it be available across all the clusters?
Could you please let me know on this?
Thanks
Ananth KrishnanI assume you are talking about coherence.
Cache should be shared across WebLogic clusters, as long as the coherence client node (the individual weblogic server) is configured at network level to connect to the same Coherence Cluster (see tangosol-coherence-override.xml for more info on network parameters). Updates to a cached object should be reflected across all instances of Coherence cluster.
you can choose to which Coherence cluster to connect by passing to CacheFactory.getCache() a classloader where a separate Coherence configuration has been loaded
this is all I know about coherence :o) .
If someone finds this info is wrong, please correct me.
Edited by: PierluigiVernetto on Sep 28, 2010 9:42 AM -
Cluster aware cache - CacheFactory.getCache()
Hi,
Is the Cache object created using CacheFactory.getCache() is cluster aware?
We would like to store cache data which is available across clusters.
These are meta-data and need not require to be updated frequently.
Hence if we create Cache and store it using the CacheFactory.getCache(), will it be available across all the clusters?
Could you please confirm this?
Thanks
Ananth KrishnanI assume you are talking about coherence.
Cache should be shared across WebLogic clusters, as long as the coherence client node (the individual weblogic server) is configured at network level to connect to the same Coherence Cluster (see tangosol-coherence-override.xml for more info on network parameters). Updates to a cached object should be reflected across all instances of Coherence cluster.
you can choose to which Coherence cluster to connect by passing to CacheFactory.getCache() a classloader where a separate Coherence configuration has been loaded
this is all I know about coherence :o) .
If someone finds this info is wrong, please correct me.
Edited by: PierluigiVernetto on Sep 28, 2010 9:42 AM -
Info on how to make application cluster aware
Hi All,
Can somebody provide help/pointers on how to make (java or c++) application cluster aware ?
In our application We are making cluster of two solaris m/cs
for higher availability.The application which are running on
the m/c are written in java and c++.
TIA
Regards
PraveenNot a developer myself, but by chance do you have the API
documentation? If not here is the SC 2.2 link for the API.
http://docs.sun.com:80/ab2/coll.650.1/CLUSTAPIPG/@Ab2TocView?Ab2Lang=C&Ab2Enc=iso-8859-1
and the 3.0 data services developer guide.
http://docs.sun.com:80/ab2/coll.572.7/CLUSTAPIPG/@Ab2TocView?Ab2Lang=C&Ab2Enc=iso-8859-1
Heath -
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.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 :)
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