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Questions tagged [failovercluster]

A failover cluster is a group of servers that work together to maintain high availability of applications and services

A failover cluster is a group of independent computers that work together to increase the availability and scalability of clustered roles
The clustered servers (called nodes) are connected by physical cables and by software. If one or more of the cluster nodes fail, other nodes begin to provide service (a process known as failover). In addition, the clustered roles are proactively monitored to verify that they are working properly. If they are not working, they are restarted or moved to another node.

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Failing over to mirror instance when not using a witness server

I have a set up where I have two SQL servers set up for failover mirroring to two other SQL servers. I am not using a witness server. I had previously used a witness server and that of course would automatically failover the databases when the…
Tom
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Hyper-V - Upgrading a 3 node 2008R2 cluster to 2012R2

I'm just after a some advice/tips on upgrading our 3 node Hyper-V cluster from 2008R2 to 2012R2. I have 3 x Dell r710s running Server 2008R2DC. These are clustered and running about 15 VMs (5 on each host). We have 2 Dell Equalogic SANs storing the…
OPGailey
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SAN: How to determine amount of LUN and CSV

We have inherited Hyper-V environment (2008 R2) with SAN storage (HP4500 hardware). Two hosts and two SAN's for redundancy. Whilst I understand virtual machines well, I guess, my knowledge of storage is very weak. I am trying to understand how our…
Clear Sky
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pcs status error httpd_monitor_5000 on server 'not running' (7):

Error Message Failed actions: httpd_monitor_5000 on abc-zabserver-b 'not running' (7): call=65, status=complete, last-rc-change='Wed Jul 15 21:44:43 2015', queued=0ms, exec=8ms pcs status [root@abc-zabserver-b ~]# pcs status Cluster name:…
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Run generic Windows Service with affinity for the Primary Replica of an SQL Server AlwaysOn Availability Group

Is it possible to configure a generic Windows service in a Windows Server Failover Cluster such that the service always runs on the same machine as the Primary Replica (read/write) of an SQL Server AlwaysOn Availability Group? How would this be…
Hydrargyrum
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IIS7.5 Virtual Directory Wrong Physical Path

I have been fighting this problem for hours, and I can't make IIS (7.5 on 2008r2) do the right thing. Every time I try to go to the photos virtual directory, I get a 404.0 and the physical path listed is wrong and different from the physical path I…
Kasey Speakman
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Hyper-V and Windows Failover Cluster Manager - View available resources per node?

I have a Hyper-V host with Failover Cluster Manager and 6 VM nodes (hosts). How can I see how much memory and CPU is allocated per node? I want to know what my available resources are to create more VMs per node. I can't find any way to do this in…
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Windows cluster has lost or discarded the CLUSDB

Both nodes of a two node windows failover cluster on 2008R2 have lost the CLUSDB file. I think this happened because an inexperienced admin came to a cluster with a reserved disk issue and re-installed the Clustering feature over the top of…
bytejunkie
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"Applications and Services" is missing from Failover Cluster Manager

Microsoft instructions advise to use "Services and Applications" but it's missing from the Failover Cluster Manager. For example, the documentation for Test the Failover of a Clustered Service or Application. Where is the "Services and…
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How many MSDTC clustered services (if any) are needed for a multiple-instance SQL Server 2012 cluster?

I'm creating a new SQL Server 2012 cluster, running on 2 physical nodes (the O.S. is Windows Server 2012 R2); the cluster will host multiple SQL Server instances; the exact number is yet to be defined, but there will be at least 3 of them. I'm…
Massimo
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Is it possible to set up load balancing and failover simultaneously?

Suppose I have two ColdFusion servers(different machines) running the same application. Now I am bit confused between load balancing and failover techniques. As per my knowledge, FailOver Cluster: Two server will run the same application, But the…
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Does ColdFusion single server clustering using multiple instances provides any performance enhancement?

I have few doubts regarding Coldfusion clustering. Is there any benefits of Creating multiple instances of a single ColdFusion server, Create a cluster by adding those instances and host the application on the cluster? Is there any performace…
user3427540
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How to set up cluster with SESSION replication in Coldfusion 10?

I am not able to set up a cluster with session replication. I have successfully set up a cluster with sticky session. When googled I found a lot of links explaining the same issue,…
user3427540
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Got “page isn't redirecting properly” issue In mod_jk clustering

I have installed two jboss AS 7 servers on two different machines and i start these two by switching standalone-ha.xml configuration. Also i installed an apache httpd server in one of theses machine and i configured and install mod_jk module to the…
Anish Antony
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IIS Shared Configuration Share for Cluster FTP Service on Server 2008 R2

Microsoft gives the following order for setting up the Clustered FTP (after installing IIS, FTP Service, and setting up your Cluster): Set up a file share that will be used for IIS Shared Configuration. Configure IIS Shared Configuration on all…
Brad
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