Questions tagged [failovercluster]
A failover cluster is a group of servers that work together to maintain high availability of applications and services
131
questions with no upvoted or accepted answers
4
votes
0
answers
3k
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
...
- 655
4
votes
0
answers
626
views
Windows Server 2012 - Hyper-V - iSCSI SAN - All Hyper-V Guests stops responding and extensive disk read/write
We have a problem with one of our deployments of Windows Server 2012 Hyper-V with a 2 node cluster connected to a iSCSI SAN.
Our Problem
Our problem is that for some reason all of the VMs stops ...
- 41
3
votes
1
answer
1k
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 ...
- 31
3
votes
0
answers
921
views
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 ...
- 228
3
votes
0
answers
398
views
Can you run CAU on an Exchange 2010 DAG cluster?
I've searched for this and I expected it to be a common topic, but I can't find any information on it. Given that the Exchange DAG is built on top of WCF, will CAU properly handle updating a DAG ...
- 31
2
votes
0
answers
1k
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
- 73
2
votes
1
answer
124
views
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 ...
- 133
2
votes
0
answers
468
views
pacemaker not monitoring the service although giving op monitor interval=10s while creating resource
Following is the service scripts which runs custom script.
[root@xxxxxxxxxxvmrf0001vbisalah001 ~]# cat
/etc/systemd/system/drbdRes_rhcdDaemon.service
[Unit]
Description=Manage drbdRes cluster ...
- 203
2
votes
1
answer
2k
views
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 ...
- 21
2
votes
0
answers
193
views
(Windows Server 2012 R2) Is it possible to split a failover cluster into 2 new clusters by expanding and splitting the existing cluster?
Say you have an existing application cluster using Windows Failover Clustering - something perhaps like this:
Roles:
File Share
Services
RavenDB
ClusterDisk
Service
ServerName (ravendb.mydomain)
...
- 21
2
votes
0
answers
60
views
Using Windows failover cluster role TCP address for application
I have a 2 node Windows 2012 R2 guest failover cluster built as a generic service (say 192.168.1.1 and 192.168.1.2 are node 1 and node 2 static IP's). The generic service role IP is 192.168.1.100. ...
- 21
2
votes
1
answer
182
views
FCM not loading Properties for configured Hyper-V shares
Have 3 nodes 2 of which are part of a hyper-v cluster. Many moons ago I configured network shares within FCM, for the last few days when attempting to select properties for specific shares it displays ...
- 161
2
votes
0
answers
3k
views
Why new two node cluster not behaving right?
I’m trying to create cluster of two nodes, but it seems to behave a little strange following this guide, but I was unable to do, for example:
[root@afnA ~]# pcs property set stonith-enabled=false
...
2
votes
1
answer
1k
views
Install optional updates using Cluster-Aware Updating
The question is simple - how can I install updates listed as "optional" in Windows Update using the Cluster-Aware Updating feature in Windows Server Failover Cluster?
I installed all the important ...
- 141
2
votes
1
answer
563
views
Setting up Windows Server Failover Clustering in SoftLayer
I'm trying to create a Windows Server Failover Cluster. I've already create Active Directory successfully. I'm currently at this stage:
On the screenshot, the blurred place has subnet/network id, ...
- 51
2
votes
1
answer
1k
views
How to make Nginx fire 504 immediately if server is not available?
I have Nginx set up as a load balancer with cookie-based stickiness. The logic is:
If the cookie is NOT there, use round-robbing to choose a server from cluster.
If the cookie is there, go to the ...
- 123
2
votes
0
answers
1k
views
windows2012 failover cluster + storage. Considerations
We plan to build a failover storage with Windows2012r2. There will be 2 or 3 physical machines with 2 virtual machines on each server. One virtual machine building a failover, second one being storage ...
- 184
2
votes
0
answers
131
views
SQL Failover Cluster IP Migration
I have a four node cluster setup which I need to migrate from subnet A to subnet B. The cluster has roughly 12 instances running on it. I've found articles to update the SQL Cluster IP, but I've got ...
- 53
2
votes
0
answers
1k
views
TeamCity (or Jenkins) with Cluster/Replicated servers
We use Team City 7 for Continuous Intergration. Sometimes I need to bring down the server for maintenance which stirs up complaints. Is anyone using a cluster for these types of servers where there ...
user160910
2
votes
1
answer
532
views
SQL Server 2008 R2 Failover Clusters behaviour on multiple failures
I'm testing the resilience of one of our test systems. We have 2 x DB (SQL 2008 R2 on Server 2008 R2, running in ESXi VMs) arranged in a Failover Cluster.
Shutting down the Active SQL Server service ...
- 730
2
votes
0
answers
1k
views
Wierd Windows Clustering Issue
hoping someone could direct me to the right direction.
I have a Windows 2k8 R2 file server cluster.
Each of the two boxes resides on two HyperV hosts.
Everything has been working smoothly for over a ...
- 83
2
votes
1
answer
1k
views
Hyper-V Cluster Resource Hosting Subsystem (RHS) Questions
I have responsibility for multiple large-ish Hyper-V failover clusters. I very occasionally see an issue where the 'ISALIVE:0' check will fail for a virtual machine (via the vmclusres.dll library) and ...
- 139
1
vote
1
answer
230
views
Hyper-V cluster-joined host chooses wrong NIC to send SMB traffic
I have the following scenario:
Four Hyper-V host servers running Windows Server 2019, joined in a Hyper-V Failover Cluster. Each server has the same network config - a Management network (Cluster and ...
- 73
1
vote
0
answers
474
views
How do I get a complete list of all Windows AD computer accounts that are part of a cluster group in my AD domain?
Regardless of whether they are active nodes or passive nodes, how do we get a list of all Windows AD computer accounts in a cluster group?
Using the PowerShell module: https://learn.microsoft.com/en-...
- 1,305
1
vote
0
answers
41
views
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 "...
- 95
1
vote
0
answers
725
views
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
...
- 1,575
1
vote
0
answers
869
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 ...
- 81
1
vote
0
answers
2k
views
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 ...
- 69
1
vote
1
answer
382
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 ...
- 11
1
vote
0
answers
69
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 ...
- 11
1
vote
0
answers
3k
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 ...
- 29
1
vote
0
answers
803
views
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 ...
- 11
1
vote
0
answers
127
views
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.
- 111
1
vote
1
answer
12k
views
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: ...
- 161
1
vote
1
answer
337
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 ...
- 11
1
vote
0
answers
4k
views
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 ...
- 161
1
vote
1
answer
53
views
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 ...
- 11
1
vote
0
answers
54
views
Where to put the witness disk in Windows Failover Cluster?
I have built a Windows Failover Cluster but I am really confused about in which network should the Witness reside? In my current configuration the Witness is in the Heartbeat network.
- 153
1
vote
1
answer
761
views
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 ...
- 21
1
vote
0
answers
604
views
VirtualBox Failover Cluster with iSCSI
I have created 2 identical virtual machines running Windows Server 2008 r2 with the intention of creating a failover cluster environment.
I attached an iSCSI device as hard disk to both nodes, but ...
- 49
1
vote
0
answers
3k
views
Failover Cluster Manager - How to make a cluster vote again
I disabled one of the failover cluster firewall rules to test something on a node and it took the node down, re-enabling the firewall rule, brought it back online. But now the current vote says 0. How ...
- 940
1
vote
0
answers
97
views
Using AlwasyOn Failover Cluster Instance in conjunction of Peer to Peer Transactional Replicaiton
We are deploying two physical sites each with writable/readable access to its local SQL server. Each site has site redundancy and also cross site synchronization is required. My thought is to use the ...
1
vote
0
answers
1k
views
Can you use peacemaker with keepalived as communication layer?
I'm new to HA topic and I'm trying to get some bigger picture here. I have 2 hosts that run few services - mostly nginx and NFS for other servers. My primary goal was to make nginx redundant. As I ...
- 363
1
vote
0
answers
2k
views
Disks offline after reboot
Using Esxi 5.5, I created a 3 node windows failover cluster in Windows Server 2016 in order to run SQL Server 2016 Always On High Availability. Each node of the cluster has 3 disks (O/S, Data and Logs)...
1
vote
1
answer
763
views
Can add only one windows machine to failover cluster, both are joined to same AD domain
I want to setup a failover cluster with 2 Windows EC2 instances, for which I'm following this link.
One of the pre-reqs listed says that, Make sure that all servers that you want to add as cluster ...
- 125
1
vote
0
answers
187
views
Solaris Clusters - cluster: (C383355) No response from daemon on node
I followed the instructions here to setup 2 node solaris cluster
At the end of everything I noticed that one of the node's status is "offline"
I also see the following message from "# cluster status"...
- 11
1
vote
0
answers
89
views
SQL 2016 clustering, creating and failover
I'm a application manager, and I had my application wizard create a SQL database on the clustername, not on one of the two nodes of the cluster, but on the clustername.
Now a week later, my ...
- 696
1
vote
0
answers
461
views
Unable to add share to 2012 R2 file server cluster - Role name not found
I am trying to set up a proof of concept file server cluster to ensure it will meet our needs before we implement a live cluster.
I have setup a cluster of two nodes, with 2 networks (one for cluster ...
- 1,753
1
vote
1
answer
6k
views
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 ...
- 363
1
vote
0
answers
3k
views
Network Connectivity of Windows Failover Servers
I have two servers running Windows Server 2016 with the Failover Cluster role, each of which is running as a Hyper-V virtual machine on a different host.
The servers are on the same subnet and are ...
- 363