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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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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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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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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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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123 views

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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Two Failover Nodes With the Same Disks, Is it Ok to Remove the Old Node?

Recently we've had a file server recreated with the same disks. The new server newfs1 was created with the same exact disks, same path, same disk; as the old file server oldfs1. Both servers are in ...
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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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SAN volumes not showing in new cluster

Some background.... We have Two hyper-v hosts running server 2012r2 with a number of guests. Msa1040 SAN with two disk pools The hosts are a two server cluster The two hosts connect to the san via ...
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GuestVMs in a different VLAN than host in a HyperV Failover cluster

I'm smashing my head against a wall. I can't seem to get my guest VMs to use a different VLAN than my host machine. I have a 2 node Hyper V cluster(2016). Each node has 2 10Gig NICs in a Team. This ...
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WINS on a Windows 2016 cluster

Our client is still tied to WINS (let's not get into the whys and wherefores, its just the way it is) but we need to update the clusters that WINS is running on from Windows 2008R2 to Windows 2016. ...
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54 views

Public service failover in a cluster

I'm getting started with physical server clustering, and have plans for a 3 node hyperconverged oVirt setup. I currently deploy all my apps and sites on VPSes and API-provisioned cloud instances. I ...
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45 views

Exchange 2013 DAG - where to place witness server?

We have a setup with two Exchange 2013 servers (EX01 and EX02, every with all roles) in DAG on the single site. DAG is only for failover purposes. I'm planning to move one server to the second ...
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207 views

Where can I find the “Create Computer Object” Permission in Windows Server 2016?

I'm trying to prestage the cluster name object for the cluster I'm creating. I'm looking at the steps provided here (https://docs.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-...
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“0x0000009E” Stop error when cluster node crashes in Windows Server 2012 R2

Full Memory Dump: https://pastebin.com/spkLeVYL Crash message is: USER_MODE_HEALTH_MONITOR (9e) One or more critical user mode components failed to satisfy a health check. Hardware mechanisms such ...
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Restart vmms on failover cluster

we are currently suffering a memory leak of the vmms service on one of the hosts in our failover cluster. I know that the easiest fix for this problem is to just restart the management service. ...
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25 views

ceph pg dump report zero PG_SUM for newly added osd

i'm currently using ceph mimic version. I added some osd to the cluster. but unfortunately they did not have any PG so they could not store any object. any idea?
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Domain-joined Windows 10 Hyper-V VM reboots after RDP session disconnects

I have several Win10 VMs set up in Hyper-V on Server 2012 R2. The server participates as a node in a failover cluster. The VMs are Roles in the cluster. These are new VMs with fresh installs of ...
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90 views

Creating Windows Cluster with Powershell

I have a Windows cluster provisioning script. I am not able to execute the New-Cluster command as Administrator. It says that the user should be a domain user to be able to execute the command. I m ...
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Windows Continuous Availability slow with System.IO.DirectoryInfo

we have a share on a Windows Failover Cluster with enabled "Continuous Availability". It runs on Windows Server 2019 When we create a folder and check how long it takes till we get an existing handle ...
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How touse iSCSI HA with Windows Server [closed]

I have one Windows Server 2012 standard, one Windows Server 2016 standard, two QNAP. We planning to store all files in QNAP and create VM in Windows Server for clustering. We want to have high ...
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Storage Space Direct : SMB error

So we've got this 4-node Storage Space Direct (S2D) cluster, working for more than 1.5 year without any major issue. The OS is Windows Server 2016. Firewall down for all profiles No antivirus ...
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Hyper-V cluster migrations / vSAN software

We’re in the process of performing a large physical-layer upgrade with our hypervisors and I am looking for some advice regarding our proposed configuration and VSAN Software. To break things down, ...
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Windows Server Failover Clustering - cannot choose desired subnet when creating

I'm setting up a new WSFC cluster, intended for SQL HA, but that's not actually important as yet. Node A has: An IP in Subnet 1: this is where the machine's "primary" IP is, set by the hoster. An ...
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Which DNS Server gets updated when a Multi Subnet Failover Cluster performs a failover

We have a 2 node multi subnet cluster. When we execute a failover of one of the cluster resource groups we find the DNS update behaviour to be unexpected. NodeA and NodeB are each located in ...
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MongoDB cluster design accross multiple Data Centers

I am designing a MongoDB cluster on multiple data centers The 3 data centers are located at different suppliers. They are linked through IPSEC site-to-site VPNs. I am looking for the best design to ...
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Benchmark CSVFS performance

I would like to benchmark the performance of a CSV volume. I found a lot of bench-marking applications for drives in general however they does not let me to run the application or select the CSV ...
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178 views

Static MAC addresses inside Failover Cluster causing MAC conflicts

I've 13 Hyper-V nodes in a Microsoft Failover Cluster. About 50% of our guests are Linux and work best with static MAC addresses. Our Windows guests work either way, but to keep things simpler we've ...
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Failover Cluster waits till the Site to Site DNS Replication done

I created a failover cluster with 2 subnets in AWS VPC. In one subnet I have DC1 (10.30.10.101) and Node 01 (10.30.10.102). In other subnet, I have DC2 (10.30.12.101)and Node 02 (10.30.12.102)....
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177 views

DRBDManage with Pacemaker on CentOS 7

I have 2 CentOS 7.6 nodes which I have configured with drbd, drbdmanage and pacemaker for active/passive failover. during a failure my vip and drbd service failover from primary to secondary the next ...
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Is there is a way to configure SQL Server 2014 cluster to keep the same DB ids when switching between nodes?

The DB has different id on SQL Server nodes, and it a problem because our license depends on db id. Is there any way to configure the cluster to keep the same id on both nodes? Thank you!
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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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257 views

migrate Windows 2008 file server to Windows 2016 failover cluster

Our domain has been utilizing file shares on a Windows 2008 server for a very long time. We wish to upgrade to a 4 node Windows 2016 failover cluster using Storage Replica. I have already built the ...
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Unable to add new 2019 HyperV node to 2012R2 HyperV Cluster

I could really use some help here. I evicted an failed HyperV node from our 2 node 2012R2 Hyper-V cluster. The node has been rebuilt with server 2019 and am trying to re-inject it back into the ...
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Nested Virtualization and CSV issues in Hyper-V server Cluster Failover

I have 3 Windows server 2019 VMs,virtualized on Windows 10 pro. (MAIN HOST) server 1 is AD/DC/ISCSI target/DNS/DHCP. server 2 and 3 formed a failover Hyper-V Cluster and this cluster hosts a ...
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362 views

Not able to add node in cluster and getting exception while adding the node in Windows failover clustering

Recently one of the cluster node got rebooted(due to some disk corruption) for which we first removed from cluster and after that when we are trying to add it back into cluster we are facing exception....
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257 views

Resources are UNCLEAN when I unplug the preferred node

I'm very beginner within linux network configuration I configured linux pacemaker + corosync + stonith via ssh + drbd + nginx for 3 nodes. pcs status: 3 nodes configured 7 resources configured ...
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Hyper-V is there a way to use hyper-v to upgrade all of your guest vm's in a cluster

Hyper-V is there a way to leverage hyper-v to upgrade all of your guest vm's in a cluster, not the cluster nodes but the vm's on them, like cluster os rolling upgrade. I have allot of vm's with ...
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Can (and when) split brain occur on failover cluster with 2 nodes and disk witness?

we have a two node cluster with a shared disk quorum (iscsi). we are experiencing every now and again failures that are resulting in downtime. In the logs we see the 'conflict IP' on the shared ip, ...
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470 views

Failover cluster SQL server 2016: 'the remote computer refused the connection'

BACKGROUND We have a new SQL server 2016 failover cluster (without Always On) (clu1) with 2 nodes (sql1-2) and 4 roles/instances (app1-4) Connections from de nodes to the cluster instances work fine ...
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Azure Cloud Witness with HTTP proxy

Windows Server Documentation states: Proxy considerations with Cloud Witness Cloud Witness uses HTTPS (default port 443) to establish communication with Azure blob service. Ensure that HTTPS ...
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failover two redhat node

I want to know is it possible to failover 2 Redhat physical nodes. both nodes are identical and they dont have any shared storage. I want to failover two separates redhat physical nodes when NodeA ...
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Wizard for New Volume from Cluster Pool shows 0.00 GB free (despite 1.50 TB in Server Manager)

So an issue I am running into is that I have a Storage Pool using S2D created, it shows less than 2 GB used up... but when I go to run the virtual disk wizard, it has Free Space: 0.00 GB for both ...
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783 views

Quorum disk size for Windows Server 2019 failover cluster

I'm setting up a Windows Server 2019 failover cluster, and I've seen advice to put the cluster quorum on its own LUN. How much disk space should I dedicate to it? It does not appear to take much ...
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How to Reboot a Server in a Failover Cluster

We have a failover cluster manager managing 4 node(host) servers. How would I go about rebooting one of the nodes in the failover cluster.
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Set up MS cluster 2016 with multi forest domain

i am trying to set up a two node MS cluster 2016 with cross forest. currently i am having two separate domains and having trust between domains. like a.com and b.com domains and trust enabled between ...
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Better way to get Microsoft Failover Cluster IP address resource through PowerShell

Is there a better way to view the IP address assigned to cluster IP address resource through PowerShell? Today, I use Get-ClusterResource, but I have to populate the cluster IP address resource name ...
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Windows failover cluster from another domain

So I am having an issue creating a failover cluster for 2 HyperV nodes. The 2 nodes have been joined to a domin of their own called hvtest.local. The PC I am tring to create the cluster from is on a ...

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