Questions tagged [failovercluster]

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

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Cluster Tomcat network isolation

I'm playing with a Tomcat cluster of 2 nodes (A and B). I have configured the 2 Tomcat server to replicate their sessions with a org.apache.catalina.ha.session.DeltaManager and all is working fine, ...
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How get get Failover cluster volume information using powershell?

The screenshot below is Win2012R2 Failover Cluster Volume. Those volumes are mapped from SAN through FC connection. I am trying to get this volume information as shown in screenshot by using ...
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Windows Cluster - Moving a node to different network

I have a 3 node SQL always on cluster running , is it possible to move a node to different network(subnet) without evicting & creating the node again.
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How to customize Windows Failover clustering to trigger on failure of custom window service?

i'm a total newbie on windows failover clustering. and what i want to do now is to setup the FC (failover clustering) on two win 2008 R2 server. and right now i have my custom window service running ...
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Mac address flapping during VM migration in WSFC

I am trying to troubleshoot an issue with our servers on a customer network. We do not support the network infrastructure. For example, I have 2 nodes(WS2019) in the Failover Cluster. Each NODE have 2 ...
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Unable to connect to SQL Failover Cluster

I have a a SQL Server 2005 Failover Cluster with two nodes. Node A & Node B. SQL is running on Node B. About 2 weeks ago, we failed over to Node A. Then after the problem was corrected, we ...
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window server 2012 r2 - failover cluster resource vs cluster disk

I create a 2 node WSFC and added a cluster disk to it. I have not installed any clustered application and roles yet. I am playing around with the cluster resource (such as moving it around). On the ...
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Problems accessing shared folder in Windows clustered file Server 2008 R2

Firs of all I need to apologise for my poor technical and language skills. I will try to describe a problem as detail as I can. There is subnet 172.16.10.0/24 In this subnet I have 3 servers 1 storage ...
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Windows Cluster Communication Issues

When I first created a windows cluster (with a Cloud Witness if it matters), everything went smoothly. Then something went wrong with the communication and I had to destroy the cluster. Now, when I ...
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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-...
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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, like http://...
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Cluster Shared Volume Owner Node After reboot

Problem: In a failover-cluster (Hyper-v) the CSV (iSCSI) gets "pulled" to the node that just restarted (after updates) when i don't want it to. I can not find any setting defining CSV owner ...
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Windows Failover Cluster - Create Cluster Wizard: error occurred while creating the cluster

I have 2 identical Windows Server 2008 R2 servers which I am trying to setup a failover cluster on. The "Validate a Configuration" passes, but the actual creation process produces an error: An error ...
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Windows server 2016 Failover Cluster does not complete Forming the cluster

I am trying to set up a 2 Node failover cluster using Windows server 2016. I deployed the servers in AWS. Here are the details. I used ; 1 server acting as the Domain Controller ( 10.30.10.101 ) ...
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SQL Server Web Edtion Failover Cluster

Is it possible to run an SQL Server Web edition in a Windows 2008 R2 Failover Environment? I want to host a Website with backend database but keep it failsave with a failover cluster (install it on ...
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Stop Cluster Group without PowerShell Module and WinRM

We have a requirement in our team to use a PowerShell command to stop the Cluster Group without using the FailoverClusters Module or any module. Also, the requirement is not to use WinRM/Port 5985. I ...
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GlusterFS - Define Failover Cluster

I am currently planning the storage infrastructure for our new application. Since performance is a big and important item on our list, I want to use SSDs for the production environment. We sell a ...
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Can't reach File Server Cluster by DNS name

I'm trying to set up a file server cluster so that it can be accessed by a standard DNS name on our domain. I've got a DNS A record set up, pointing app.clusters.ourdomain.com to the cluster service ...
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When to employ server failover in a virtual environment

This question kind of got me thinking about fault tolerance in DHCP, so I did a little digging in my current environment and discovered that we only have 1 DHCP server per major site in our company ...
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Print Server Redundancy in VMware ESXi

I'm having a challenge figuring out the best way to get the highest possible uptime on my 2 print servers. The best solution would be if one of the servers function as my primary print server, and the ...
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Can't Live Migrate or move Hyper-V VM

we have a two-node Server 2019 Hyper-V cluster with an SSD SAN providing the shared storage. I'm in the process of trying to update the host servers with their windows updates. I planned to move all ...
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Hyper-V Cluster 2019 suggestion for requirements [closed]

We are planning to purchase nodes for the Hyper-V Cluster which will run on Windows Server 2019. Which chipset you recommend for cluster 2019? What is your recommendation for PCIe Cards? Should all ...
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Failover Cluster Missing Disks

I'm stuck with a weird situation to which i could not find a solution. I Have 3 AWS instances (windows server 2019) joined to a failover cluster and each one of them have an instance store volume ...
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2 node cluster fiber channel storage migration

Inheriting a 2 node 2008R2 active/passive failover cluster running an instance of MS SQL I'd need to migrate the database to a new type storage. Currently each node has x2 2-port HBAs where each has ...
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WinRM connection refused but not to FQDN

I have 2 domain joined servers running a failover cluster and I am trying to get CAU running. However, the readiness test fails because of WinRM issues. Both servers get connection refused when using ...
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523 views

Windows Clustered Shared Volume IOPS

Quick question. I'm reviewing the IOPS for my CSV, and im confused about the Cluster CSVFS\Reads/sec counter. I aligned Physical Disk\Disk Reads/sec (for the CSV disk) with Cluster CSV File System\IO ...
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Query to get the failoverCount and lastFailover in a Windows Failover Cluster

Anyone know of a command or PowerShell script to get the current failoverCount and lastFailover datetime in a Windows Failover Cluster? I have a 2-node cluster that doesn't automatically failover ...
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Windows Server 2019 iScsi MPIO multiple targets

I'm looking to setup a Windows Server 2019 failover cluster with iScsi shared storage (for a SQL Server Always-On instance). The additional requirement is to not have a single point of failure. Let's ...
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On Server 2016, can i set up a cluster and install MDT so that MDT is highly available?

I am tasked with setting up a MDT server for deploying OS to 25000 endpoints. Is it possible for me set up clustering and then install MDT so MDT is HA. I am also planning to host the deployment share ...
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cephfs path on samba cluster not found

I have a ceph cluster running a cephfs. I also have a samba cluster (ctdb) and want to share different folders (lets say projects and plm) on the cephfs. But I can only share the root directory of the ...
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Unable to start a VM with a Shared Disk

We're running Hyper-V 2019 on a 2 node cluster. We have 2 VMs in the Failover Cluster which are clustered together to run a server. This service requires a shared disk. The shared disk is located in a ...
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Enable Windows Failover Cluster With Zentyal Active Directory

currently i have one domain controller with zentyal (Community Edition). And i have 2 node already connected to domain. So i setup Windows Failover Cluster, but i always got failed validate with ...
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Validation Failed On Windows Failover Cluster Access Denied

i have 2 node will be setup windows failover cluster. every node already connect to Active Directory. when i validate on windows failover cluster, still failed on List Disk error message like this
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how to view old events in failover cluster manager

In failover cluster manager > cluster events, i have only for about 12 hour of events. I wish to view older ones or maybe how to make the manager show more than that.
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Monitoring Windows Failover Cluster with Enterprise Manager

I'm trying to monitor SQL Server instances on a 2 node active/passive windows failover cluster with Enterprise Manager. Oracle gives the following steps: -Install local agents on both nodes. -...
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How to build a high availability Postfix system?

I'm needing to set up a remote mirror for a postfix server (where the content of both mail servers should be the same at any time). The idea is that if the main server comes down at some point the ...
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You do not have administrative privileges on the server Failover Cluster

I am trying to setup a 3 node Failover cluster in Azure. The below is my configuration: Region: West Europe VM Size: Standard D2s v3 Storage: Premium LRS Data Disk: 2 numbers, 128 GB OS Disk: ...
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How to repair corrupted Windows Failover Cluster service?

On one of the server nodes, the failover cluster got corrupted due to virus. It's not showing up in the services. However, I can still see the required files and folders are present on the disk as ...
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Why are my HyperV VM's randomly losing connectivity?

I have a strange intermittent connectivity problem happening about once every two weeks. First my configuration: I am running a HyperV failover cluster with two physical hosts (node01 and node02). ...
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How to sync AlwaysOn AG in primary site with AlwaysOn AG in DR?

The primary site has 2 database servers connected to a SAN. both nodes running on SQL server 2016. Both the servers are configured to function as an always on availability group as opposed to a Fail ...
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PCSD simple Master/Slave will not fail master over

I am trying to write a trivial pacemaker Master/Slave system. I created an agent, it's metadata follows: elm_meta_data() { cat <<EOF <?xml version="1.0"?> <!DOCTYPE ...
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Wildfly service not started on wildfly slave while joining it to wildfly domain controller

Facing issue while trying to join the slave to domain controller in wildfly domain. Doesnot seem like authentication issue. Can anyone help me out. 12:21:33,809 ERROR [org.jboss.msc.service.fail] (MSC ...
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Is it possible to create HA cluster on MacOS Catalina?

I couldn't find a documentation on configuring HA on Mac OS (Catalina). There's an application called Mac OS Server but the documentation doesn't talk anything about HA rather it looks to be an ...
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Generic Service role on a Windows Failover Cluster - Destination Host Unreachable and Request Timed Out

I'm trying to setup a Generic Service role on a Windows Failover Cluster in Azure. The below is the setup: Cluster: 2 Nodes, 1 Cloud Witness VNET: 10.0.0.0/24, dcsubnet: 10.0.0.0/26, nodesubnet: ...
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Windows 2016 Server Core - Add node to a SQL Server Failover Cluster (NOT Working)

2016 Server CORE. Add node to SQL server 2019 Failover Cluster. Steps were taken: Added the server to the Failover Cluster I found this page, Install SQL Server from the Command Prompt which is ...
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Clustered MSMQ in AWS with Overlay IP Address

Does anybody have any experience using a clustered MSMQ service in AWS where the cluster spans availability zones? I am currently trying to get that to work with not much luck. The issue I have run ...
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1answer
50 views

dual ISP firewall cluster in linux

For the past couple of weeks i have been trying to figure out how to make firewall cluster, each having different ISP. I have found few guides on how to do it with one ISP using technologies like ...
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HA Cluster with PCS

I am using Ubuntu 18.04LTS. I can't seem to figure out why this cluster will not work. I believe the Corosync service is not starting. I started out with sudo pcs cluster setup --name cluster_test ...
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What is meant by Multi-Cloud Clustering? Can anyone help me in understanding it in detail? Any helpful articles will be highly appreciated [closed]

Can someone help me in understanding what Multi-Cloud Clustering is? How can it be done and which are the best options for Multi-Cloud Clustering in the market today? Thanks.
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Add 3rd server with pglogical replication to a 2 server cluster with stream sync replication and failsafe with patroni

I have 3 servers with Ubuntu 19.10, PostgreSQL 12.2 and Patroni 1.6.4 and I would like to have the following setup: I want to have two servers with synchronised replication and I want to add a 3rd ...

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