Cluster disk resource is taking 15mins to come online after failover
Hi folks, We've a two-node cluster setup. We have configured a role which has three cluster disks (1 for quorum and other for data). Now, we have observed that whenever we failover from Node A to Node B (Node A --> Node B), it works fine. But,…
WSFC Failover Cluster: The service has returned a service-specific error code
Hello. I want to create a Windows Server Failover Cluster. The cluster validation is successful, with one warning, because there is just one networkadapter per machine. A second for splitting client-traffic and cluster-traffic is already in planning . …
Cluster disk not coming online when doing failover for 5 to 10 mins from node1 to node 2 but when doing it from node2 to node 1 all disks are coming up in 2-3 mins.
Cluster disk not coming online when doing failover for 5 to 10 mins from node1 to node 2 but when doing it from node2 to node 1 all disks are coming up in 2-3 mins. Checked logs for failure but didn't find any logs.
Failover Cluster DNS changes/updates
Hi All, We have a failover cluster in place for our SQL environment. I have noticed that when it fails over it creates a new DNS record for the new IP of the SQL listener. I have removed all the DNS records, created one and then I have set up the DNS…
Renaming ClusterNetworkInterface
PS c:\Windows\system32> Get-ClusterNetworkInterface Name Node Network State \---- ---- ------- ----- N01 - FOO (1) N01 Foo Network Up N02 - FOO (1) N02 Foo Network Up …
WS2019 cluster Error 106 - available processor set of the underlying physical NICs not configured correctly because processor sets overlap when LBFO is configured with sum-queue mode
Hello! In event viewer i have this error in my WS2019 cluster of two nodes. Available processor sets of the underlying physical NICs belonging to the LBFO team NIC /DEVICE/{1A5602OS02-H2E4-46C6-09OA-1WEON5473890} (Friendly Name: Microsoft Network…
Arc servers machines are already connected to a different subscription id or resource group when creating cluster in Azure portal
I am using azure portal to create a cluster but ran into an issue during Azure Stack HCI Arc Integration validation. "Title": "Test Arc for servers machines state", "Status": 1, "Severity": 2,…
kerberos resolution target error
i create a WSFC with quorum , after that I create an FCI on NODE1 and NODE2 everything completed successfully , but after the installation of the second node on server manager dashboard i got this error from manageability : sqcluster - kerberos target…
Unable to create cluster
This account may not have enough CPU cores to start a cluster. Contact your administrator to increase the limits.
Removing virtual switches (1Gb) from hosts in the HYPER-V cluster and adding new virtual switches (25Gb) - query about consequences
Hello. I will be changing network cards in my hyper-v cluster (the hyper-v cluster consists of 4 physical hosts with 1Gb network cards). The operating system installed on the physical hosts is Windows server 2019 Datacenter. We have over 100 virtual…
Cluster Service Stopped
Hello, After installing failover manager ..Cluster service is got disabled ..When I tried to start and set to automatic getting below error. Any suggestion? Event ID attached . This is my test lab. OS 2019 Log Name: System Source: …
Poor Performance in Cluster Shared Volumes
Hi All, I have noticed on several clusters upon which I've worked, that there is a huge fall off in the expected performance after LUNs added to the hosts are turned over into cluster shared volumes. With the LUNs attached to the hosts before…
HyperV Failover Cluster Validation complains about RDMA
Hi, I've just upgraded our HyperV cluster with 3 new machines running Windows Server 2022. We first ran Windows Server 2016 so I had to upgrade to 2019 first before I could move completely to 2022. Before each upgrade of the cluster I ran a…
Microsoft Hyper-v server 2019 - issues with DNS on HYPERV Failover Cluster
Hello, From few weeks , I have a problem with this error: Can you help me how to resolve this error ? I see that in DNS everything is ok , because I see no errors here. Everything is with OK status. Did you have the same errors…
How will the HYPER-V cluster behave during an interruption in access to the computer network?
I have a HYPER-V failover cluster at work. The cluster consists of 4 physical servers on which we have installed several dozen virtual machines. The HYPER-V cluster also includes two disk arrays containing the aforementioned virtual machines. In the…
How do I reclaim space on a shared storage cluster after I have deleted a vxhd?
Ok My Shared Storage Cluster is almost completely full. I am in the process of getting a new server and more staorage but for now I need to clean up my current one. I found a VM that had a 500GB hard drive that was not being used. I dismounted the drive…
On VM, Create Cluster Wizard only allows 2 characters per IP octet
Hello all, I'm attempting to recreate a failover cluster. On the step where I'm asked to provide a name and IP address for the cluster's access point I'm able to type in a hostname and the correct network is showing up below but when I try to type in…
CreateClusterResourceType failing with 193 error on Windows server 2025 preview edition
I am using CreateClusterResourceType() API to create a cluster resource type. My code is working on all supported windows server including windows 2019 and windows 2022. But same method has started throwing 193 error when executing on Windows 2025…
Failover Cluster Manager Access is Denied
Hi, This is Arun. We have Virtualization setup with 3+1 High availability Cluster configuration connected to shared storage. Suddenly, in my host servers 2 & 4 failover cluster manager is not accessible. Showing "The operation has failed"…
How to migrate unmanaged disks to managed on production SQL cluster
Hello, I have to perform migration of azure disks from unmanaged to managed on our production SQL servers, which are in availability set with the sql firewall windows server in it as well. This is still in planning process, but i think i need some…