Quantcast
Channel: High Availability (Clustering) forum
Browsing all 3614 articles
Browse latest View live

Exchange 2016 performance issues

We have a Typical issue wherein we have set of 16 Exchange 2016 servers with about 60k users. We have about 8 GC/DC in site,6 GC/DC out of site. Every morning for about 10-20 minutes, the users face...

View Article


Unable to add or live migrate VMs on new machine added to cluster

Had 1x 2012 R2 machine (call it A) set up as a cluster with another 2012 R2 machine used for shared storage. Finally got a second machine (call it B) to add to the cluster, added the machine, passed,...

View Article


Image may be NSFW.
Clik here to view.

Error while selecting VM for High Availability in WS 2016 Hyper-V Failover...

Dear all!I've faced up with error while creating HA VM in WS 2016 Hyper-V Failover cluster with configuration listed below:8-Node Hyper-V Failover Cluster on Windows Server 2016 Datacenter with all...

View Article

2 node fail-over cluster(Active/Passive) on Windows Server 2012 R2 without...

Dear All, I want build a SQL Server 2008 R2  Ent (64bit) and SQL Server 2012 Ent (64bit) 2 node fail-over cluster(Active/Passive) on Windows Server 2012 R2without RDM.(want on Shared disk)Please share...

View Article

Cant run powershell upgrade commands

Hi,I have a 3 node cluster that I have just upgraded to server 2016 using the rolling upgrade process. Everything went smoothly and I am now read to upgrade the functional level of the cluster.However...

View Article


Failover Cluster volume inaccessible, showing GUID not volume

We have a file cluster on Server 2012 R2 (Fully updated) with a RDM passthrough disk to a Dell Compellent SAN using VMWare ESXi 5.5. Pathing is set to MRU for the RDM. We lost access to the cluster...

View Article

Image may be NSFW.
Clik here to view.

Help with failover Cluster

Hello,I have a WSFC with allwayson.2nodes are in same region and 1 in a different one.In top of that i have a SQLServer with allwayson.On region1 the resources can failover between the 2 nodes.In case...

View Article

Image may be NSFW.
Clik here to view.

Cluster Disk not visible

Hi!I have created a two node windows 2012 R2 Cluster and assigned vhd disks but the disks are not visible while trying to move virtual machine storage. The cluster disks are in a windows 2008 R2 Server...

View Article


ISCSI Target and Hyper-V on Same Server

Hi!Is it possible to have ISCSi Target and Hyper-V Role on the same server and assign ISCSi drives to VMs on the same server? We need to create two node virtual storage cluster on two VMs. Can I work...

View Article


Image may be NSFW.
Clik here to view.

Windows Failover cluster across datacenter. Node showing down with network...

hi Team,We have 3 node windows cluster running SQL FCI. 2 node are at primary DC and 1 node is at DR . I am observing that node 3 is started showing as down in cluster manager and its networks as...

View Article

Image may be NSFW.
Clik here to view.

Cluster Validation - iSCSI port unreachable to UDP 3433

Currently I just upgrade my 4 production servers from Server 2012 to Server 2012 R2 and rebuild my Cluster with the same IP. But I encounter an issue that my cluster validation is failed because of 2...

View Article

In-place upgrade/migration of a 2-node cluster

Hello,we have 2 servers running Windows Server 2008 R2 x64 SP1. Those are physical servers running high-availability cluster, so they have Hyper-V installed, and have a storage array.I have...

View Article

OPS Microsoft Server Medium: The system detected an address conflict for IP...

Hi All,Whenever my cluster resource move from one Node to other I am getting few error/warning message. Can anyone help me to understand why?Cluster 2012R2 Witness File Share Application Cluster: SQL...

View Article


Quorum Disk on Passive Node.

Hi, Since I am new to Windows cluster setup I have below doubts.Can someone, please provide information on below?>>I have seen that the quorum disk is at passive and the remaining shared disks...

View Article

Adding CAU role to Hyper-V cluster issue

Hi all,I am trying to add CAU role to my five node Hyper-V cluster (Win2012 R2) by running following command:Add-CauClusterRole -ClusterName HVC -Force -CauPluginName Microsoft.WindowsUpdatePlugin...

View Article


Alive sanity check failed!, pending IO completed with status 1235 error in...

Hi Guys, physical disk resource on the Windows Server 2008 R2 cluster node is getting failed and coming online after few second  This behavior occurs very frequently.

View Article

Hyper-V host reboots during live migration

Hi, I have a two node failover cluster (DELL R815),  they have direct attached storage and they are connected to a 10Gb fiber switch (domain network), then a cable connects the two nodes directly...

View Article


Image may be NSFW.
Clik here to view.

CSV - performance counters

HiDoes anyone know why CSV volumes shows up multiple times in perfmon (Cluster CSV File System)?, and some of them with # And why you only get data from one of the instances (seems to be from the...

View Article

How can I manage a Windows Server 2012 Failover Cluster from Windows Server...

Good day,I have a setup whereby I access one of the clients I provide support to using a jump server.  The jump server is running SRV2008R2 and I can manage the clusters setup with same OS version,...

View Article

Problem with making CAU work

Hi all,I am wondering if you will be able to help me with an issue making CAU work for my Hyper-V clusterHere is the message I get when testing itPS C:\Windows\system32> Test-CauSetup WARNING:...

View Article
Browsing all 3614 articles
Browse latest View live


<script src="https://jsc.adskeeper.com/r/s/rssing.com.1596347.js" async> </script>