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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

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Poor Cluster Shared Volume performance when node is not CSV owner

We have a 5 node Windows Server 2016 Failover Cluster setup using an HPE Nimble as shared storage. We're using the cluster for Hyper-V. All virtual machine VHDXs are stored on the cluster shared ...
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How to move PAM from DR to primary machine without any downtime?

My environment is : Primary site : 2 MBX and 2 CAS -- fsw \srv01\dag DR Site : 1 MBX and 1 CAS --alternate fsw \srvdr1\dag my question is : I want to move primary mailbox node (pr-mbx-01 )...
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Can Volume Shadow Copy Service (VSS) expose a volume to a Failover Cluster disk?

I am running a Windows Server 2012 R2 failover cluster environment for development, to mirror our production cluster, and I have VSS able to expose to a drive, mount point or share local to the ...
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35 views

pacemaker - what's wrong with ipsrcaddr?

I want to implement "floating" IP between two nodes using pcs+corosync+pacemaker. I've read dozens of howtos and ClusterLabs documentation, but it seems I've done something wrong. Help me ...
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55 views

Stretch Cluster File Server with Storage Replica - Partnership not reversing on failure simulation

First off, sorry if this is the wrong place to post this. I have a Storage Replica setup running in a MSCS Stretch Cluster configuration, two sets of two VMs with each set running on a separate ESXi ...
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3 votes
1 answer
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Mixing server models in Hyper-V Failover Cluster

Does anyone have experience with a heterogeneous blend of servers in a Hyper-V failover cluster? We have a cluster with blended generations of Proliants (DL360 G9s and DL360 G10s), and I'm ...
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0 votes
1 answer
41 views

What is the bottleneck of my HP MSA? Is it intended for a CSV at all?

I am an apprentice at a company in Switzerland. We have a testing / learning environment for us, which consists of multiple physical servers. There are two physical Microsoft Hyper-V servers that are ...
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How to set SQL-Always-On in Kubernetes Linux container?

I raised 3 pods of SQL servers in Kubernetes: 1 as a primary DB 2 others as Secondary DBs I want to set SQL-Always-On feature between those 3 DBs in a way that: In SSMS the 3 DBs will be "...
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Validate Switch Enabled Teaming Configurations Cluster Validation Failure

Setting up failover Clusters using windows Server 2022. Both nodes are server 2022 fully patched. Both nodes are running on VMware ESXI/vSphere Validate Switch Enabled Teaming Configurations ...
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1 answer
52 views

Pacemaker/Corosync: how to emergency-shutdown all resources (VMs qemu/kvm)

Good morning everyone - Running a 6 node Pacemaker/Corosync cluster with lots of productive qemu/kvm VMs on it, we were wondering how to best do an "emergency shutdown" of the whole lot, ie. ...
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I need to replace servers in windows 2016 cluster. Can I add the 2019 servers to the cluster and remove the old ones?

As the subject says, I need to replace servers in a Windows 2016 cluster that uses an iSCSI SAN as shared storage. Can I just add the new servers to the cluster, after installing the iSCSI drivers, ...
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5 votes
3 answers
110 views

File Server Cluster with shared storage - options for storage

We would like to build two-node File Server Cluster with Shared Storage on VM. The issues is that our vmware set up doesn't support disk sharing. File server cluster must be available all the time of ...
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2 votes
1 answer
104 views

Identifying current main DHCP server

There are two DHCP server of the same IP address example.(10.100.9.12 and 10.100.9.13). The gateway, subnet mask, and DNS is the same. The current DHCP are running on Vlan9. Is there any possible way ...
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1 vote
0 answers
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MS SQL server 2019 failover cluster - Event ID 18456, Login failed for user 'domain\server1$'

New MS SQL server 2019 installation on Windows Server 2019, failover cluster role enabled; fully patched Windows, SQL 2019 CU 11. Nodes: server1 - 10.10.10.1 server2 - 10.10.10.2 Instances: sql1 sql2 ...
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minimise tcp/ip timeout with haproxy failover

I have a 3 node cluster setup with haproxy/apache/nginx/php/galeramariadb. I am searching a way to minimise my tcp/ip timeout between cluster failover. Currently my domain hosted on this 3node cluster ...
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Orphaned Domain in Windows Forest - Unable to Connect to Cluster in Hyper-V Failover Cluster Manager

Have a question here that pertains to an orphaned domain, specifically trying to connect to a Hyper-V cluster in Failover Cluster Manager. We have a Windows forest with a root domain of domain.tld. ...
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0 votes
2 answers
719 views

Bring Windows Failover Cluster On-Line with only One Node

I would like to set a policy such that my Failover Cluster will always come into service, even if only one (of the two nodes) is available. Background: I have only two nodes in the cluster, plus a ...
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Error adding a new node to Windows Failover Cluster Service - Parameter is incorrect

We are trying to add new nodes to an existing Windows Failover Cluster (WFCS). When we run the Add Node wizard in Failover Cluster Manager, or run the Add-ClusterNode in PowerShell, we get the same ...
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2 votes
1 answer
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Windows Failover Cluster With SQL Server

We are moving away from using VMWare over to Windows Failover Cluster (version 2019) to host our company services. I have successfully configured WFC and have a few Virtual-Machine roles running along ...
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1 vote
0 answers
236 views

NetFT - Validation Failed - SMB Network Path Not Found

Two new Windows Server 2019 Datacenter edition servers setup in a Failover Cluster, cluster validation is failing at 'Validate CSV Settings' as follows: Validating Server Message Block (SMB) share ...
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3 votes
0 answers
344 views

Trying to use keepalived for failover and forwarding but getting "Keepalived_healthcheckers[1706]: TCP socket bind failed. Rescheduling."

The goal is to get two different CentOS 7 VMs with keepalived installed to perform failover with VIP 192.168.1.11 and also forward the http (to become https shortly after this works) traffic to a ...
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1 vote
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Windows 2016 cluster validation test fails - Why isn't my server listening on UDP Port 3343

Getting a failure message similar to this Network interfaces s-test-01.assemblyni.gov.uk - LOM1Port1_Mgmt and s-test-02.assemblyni.gov.uk - LOM1Port 1_Mgmt are on the same cluster network, yet address ...
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1 answer
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Failed to map guest I/O buffer for write access with status 0xC0000044 Hyper-V-StorageVSP Event ID 8

Full Error information: Error 8/9/2021 10:35:11 AM Hyper-V-StorageVSP 8 None Failed to map guest I/O buffer for write access with status 0xC0000044. Device name = d:\vms\servername\virtual ...
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1 vote
1 answer
76 views

Windows server failover clustering dependencies

I have 3 servers which with the following processes: Server 1: 1 process Server 2: 4 process Server 3: 1 process What i need to configure after a failover is the following : On server 2 start the ...
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2 answers
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High availability VM Windows server [closed]

How can I create a highly available VM running the Active directory role and DNS role. If one server goes down I would like it to fail over to the other node where clients within the domain will still ...
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2 votes
1 answer
923 views

Windows Server 2019 2 node failover cluster offline after some reboot

I have 2 windows server 2019 on VirtualBox. I have configured the failover cluster and it's working. I'm testing the failover and failback. These are the steps I have done after completing the ...
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0 votes
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Cannot Implement Failover Clustering Windows Server 2019

I am learning how to implement a failover cluster. I have 3VMs running Windows Server 2019 Standard Edition on all the VMs and it is not activated. I installed failover cluster feature on all the VMs. ...
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3 votes
0 answers
854 views

Windows Disk Event 11: 'The driver detected a controller error on \Device\Harddisk1\DR1.' for all offline Cluster Storage Disks

I'm using several Windows Server 2019 Clusters (e. g. Hyper-V, File Server). On all machines that have clustered roles, I get the following errors (with different harddisk numbers): Log Name: System ...
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1 answer
297 views

Cluster network name blank in SQL cluster node configuration (setup exit with “Error code 0x84C00001”)

I created 2 nodes fail over Microsoft cluster Windows 2016. On the node 1 an SQL 2014 server clustered has been installed, the new role is working and is online in the cluster management console. Now ...
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1 answer
259 views

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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1 vote
0 answers
22 views

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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0 votes
1 answer
120 views

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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1 answer
386 views

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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1 answer
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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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0 votes
1 answer
424 views

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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1k views

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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2 votes
1 answer
101 views

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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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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122 views

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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5 votes
1 answer
929 views

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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5 votes
2 answers
215 views

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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3 votes
2 answers
487 views

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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1 vote
0 answers
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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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3 votes
1 answer
143 views

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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2 votes
0 answers
631 views

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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1 answer
669 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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2 votes
1 answer
168 views

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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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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1 vote
1 answer
45 views

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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