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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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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 port is accessible via network Proxy. How do I configure…
Yolo Perdiem
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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 different domain. I am able to access the nodes…
Hurricane
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Failover Hyper-V 2012 R2 with CSVs backup

We have a VMM-managed set of Hyper-V 2012 R2 clusters. Virtual machines are backed up with TSM, but currently there is no in-place backup for clusters themselves. I can't find (obviously I have googled it) a decent guide on how to backup a 2012 R2…
JavierS
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Failover Cluster validation test failed

Greetings fellow admins, I'm trying to set up a SQL server failover cluster with 2 Windows Server 2016 servers on a VMware vSphere host. When validating the Cluster I got the following error: List Network Metric Order An error occurred while…
MaikL80
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Unable to add Disk or FileShare Quorum Witness to Mirrored Storage Spaces Direct Cluster

So as the title states I am unable to add a Quorum Witness to my cluster with the two options that do not involve azure. I've tried several different commands for the disk witness as you can see it is disk number 9. PS C:\Windows\system32>…
Corey Manshack
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Multihomed Computers - wont communicate on a network

I have two multi-homed servers connected to each other via a private network and also via a public network. I cannot get traffic to go across the private network. The servers only use the public network NICs to communicate with each other. These…
ajh4
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How to make haproxy populate runtime changes across multiple nodes?

I need to make haproxy populate any changes across the multiple instances. In our setup we have two proxies with exactly the same config but we do failover manually. What I need is when I set one of the backend nodes to maintenance mode in the web…
smoofy
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Witness Client failed to find a Witness Server

I am having a lot of critical event on all servers 2012r2 which connect to our isilon_cluster storage. Witness Client failed to find a Witness Server for NetName \\isilon_cluster with error (Element not found.). Retrying in (15) seconds. I have no…
Root Loop
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Pacemaker Cluster Issue - Backup Firewall does not take over in case network cable unplugged from Primary Firewall

I have an issue with pacemaker cluster. I have two firewalls that I am using in Active/ Backup HA. The heartbeat IPs are 10.0.0.1 (FW 1) & 10.0.0.2 (FW 2) on a dedicated network. Traffic IPs on LAN network are 131.107.2.2 (FW 1), 131.107.2.3 (FW 2)…
adityakaran
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Issue with shadow copies in 2012 R2 file server cluster

I have recently created a 2012 R2 file server cluster, and am trying to enable shadow copies. When I right click the drive containing user data within the failover cluster manager, and click properties, I can go to the Shadow Copies tab. If I select…
James Edmonds
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architecture for no fail request with keepalived

I have a local cluster of 3 CentOs servers, I've installed Keepalived on each server, Then I run some benchmark tests with ab like this : ab -c 1000 -n 100000 -r host Then in the middle of benchmark test I poweroff the Master Server, and Keepalived…
Mairon
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mongodb with microsoft failover cluster

im required to install mongodb in a microsoft windows 2012r2 server in a failover cluster mode. does mongodb supports that as microsoft sql do? if the answer is yes, can you point mo to a guide please? thanks! Guy
user280512
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SCOM 2012 not identifying virtual servers in cluster

I have imported the Windows 2008 and 2012 Cluster Management libraries, installed the agent on both cluster nodes, and checked the box to enable them as proxies. Both nodes show up as healthy, and the cluster object (mycluster.mycompany.com) shows…
Pickle
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The computer object associated with the resource could not be updated in domain

After a few hours of unsuccessfull Googling and scouring all over the Internet, I have to go back to my good old friend at StackExchange. My problem is associated with a dissfuctional Microsoft Failover Cluster running on a pair of Windows Server…
Martin Surasky
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Will the Remove action in Failover Cluster Manager 2012 R2 result in lost data on my LUN?

The most specific answer I've come across for Removing an Offline and Available Storage cluster disk in Failover Cluster Manager 2012 R2 is on this site. It's about 2yrs old. I'm new to HyperV and am seeking confirmation to my question in the…
Blujan
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