Mixed version clusters?
Greetings. My question is more pertaining to SQL Server Always On, but I figured if this piece doesn't work that won't for sure.That said, I found this doc for a rolling upgrade from 2012 R2 to 2016,...
View ArticleIs there any impact on witness disk if cluster IP and cluster nodes IP...
Hi,I have a requirement to change cluster IP and its node's IP address, wanted to know its impact on witness disk.What will happen to the witness disk if IP addresses are changed? Thank you!
View ArticleMulti domain VM of Hyper-v Host in CSV of failover Clustering
My company has one AD DS forest that contains 2 domains. All servers run Windows Server 2K12 R2. My company uses ISCSI and Fibre channel storage. I've plan to deploy single Hyper-v cluster that will...
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Hyper-V Clustering failed with Cluster Shared Volume
Hello, AllI deployed and configured hyper-v cluster environment with windows server 2016 std evaluation editon.Successfully, it worked normally without any sort of issue or problem.But later, I changed...
View ArticleHyper-V 2019 Update-ClusterFunctionalLevel = MAJOR OUTAGE!
Help!!!We have just finished upgrading all our Hyper-V nodes from 2016 to 2019. Mainly due to all the bugs in 2016. We have found 2019 to be much, much better. Each one was first evicted before...
View ArticleCan't delete file
HelloI have a two node Hyper-V cluster. One of the virtual disks in the Cluster Shared Volume became corrupted somehow and the file server it was attached to wouldn't boot because of it. I detached...
View ArticleNo disks were found on which to perform cluster validation tests
should the storage be set in the cluster if the file share is set to the cluster? it is asked as warning "No disks were found on which to perform cluster validation tests" is highlighted in Yellow at...
View ArticleDSN CACHE CANNOT BE FLUSHED
how to flush DNS cathe on Server 2012 R2? the content still exists even though ipconbfig/flushdns or restart are done on the server. waht would the wrong with it?thanksJohn
View Articlemultisubnetfailover and clsuter parameters
please clarify if it would still need to change HostRecordTTL value if the MultiSubnetFailover= True is set in the additional Connection Parameter at conenct to server in SSMS 2017. SQL 2016 standard...
View ArticleCSV access issues from non owner node
We are having an issue on a brand new 2019 datacenter build.We have a 3 node cluster connected to a 3par SAN via FC. All LUNS are showing and are present as cluster shared volumes.When we try and set...
View ArticleCluster network name resource failed to find the associated computer object...
We have set up a Cluster on Windows Server 2016. Initial validation succeeded, however I moved the computer object generated by the Cluster in active directory from it's default location to AD -...
View ArticlePerformance Issue on Storage Space Direct Server 2019 - Getting high read and...
Hello All,On S2D i am getting performance issue, getting high read and write Latency. From some days getting more issues, not getting constant IOPs, in every second IOPs reach thousands and in next...
View ArticleStorage Spaces Direct, server specs for SSDs
Hi All,Looking to build an R&D VDi platform between two nodes using local disks.I'm planning on buying two servers each with 4 x 1.92tb 6gbps sata SSDs. My research tells me this:2 servers meaning...
View ArticleDowngrade Cluster level
Hi,I have to downgrade Windows server 2019 cluster back to 2016One node I reinstalled to W2016 but can't add to cluster regarding cluster functional level.Is it possible to create new cluster2, add...
View ArticlePartition information lost on cluster shared disk
Hi everyone,we've got a cluster virtual disk where the partition table and volume name broke. Has anyone experienced a simliar problem and got some hints on how to recover?The problem occured last...
View ArticleCluster resource 'Virtual Machine VMNAME' of type 'Virtual Machine' in...
Hello!I have Hyper-V Failover Cluster with 3 node. NODE1: Windows SRV2016NODE2: Windows SRV2016NODE3: Windows SRV2019There are 30 VMs in failover cluster. I can move VMs with Live Migration to all node...
View ArticleStorage Spaces Direct Networking
Quick question for those who know this technology Two node cluster, each with dual 100gb mellonex network cards (RDMA compliant) directly connected to each other. Server1 Nic1 > Server2 Nic1 &...
View ArticleNew server with Windows 2019 (Cluster Hyperv 2012 R2)
Hi, I have a hyperv 2012 R2 cluster with two nodes. We will replace these two nodes with new servers and we already want to implement with Windows 2019. What is the best strategy for doing this...
View ArticleUpgrade the virtual machine and Integration Services
Hi, we recently had experience migrating from a VMware environment that during the Vmtools upgrade was questioned the need to install a Microsoft KB. In addition to updating the VM version it was...
View ArticleAdding New Version Node Higher Than Cluster with Bottom Version
Hi, I have to add a new node with 2016 to the cluster with server 2012. Can I do the inclusion using using (Failover Cluster) of 2012 or do I have to use the (Faiolver Cluster) of 2016? Thank you.
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