Nodes randomly losing communication with cluster
We have a 6 node production cluster. We are on Windows Server 2008 R2 and SQL Server 2008 R2. At any time, a node will loss communication with the cluster causing every instance on that node to...
View ArticleHuge single storage pool for lots of VMs, or seperate storage pools for each VM
BackgroundTwo identical 2008 R2 servers for running VMs with Failover Cluster (Hyper-V) One IOmega NAS (old) with 15 VMs sharing one large (2 TB) clustered storage pool One VNXe NAS (New) Nothing setup...
View ArticleDifference between Resilience and Reduandancy
Hi,Pls explain what is Difference between Resilience and Reduandancy in Windows with Example.Thanks
View Articlewin server 2012 two node cluster, local "cliuser" issue
Hello,I have a two node Windows Server 2012 STN Cluster with a few SQL instances installed inside it. Recently in my security event log I see these errors on both nodes:An attempt was made to reset an...
View ArticleVirtual Machine Network Health not working
Server 2012 R2 is supposed to have a feature which detects when the public LAN connection used to get into the VM's becomes unavailable, this is supposed to kick in around 60 seconds after it being...
View ArticleWindows 2003 Clustrer- Resources in Evict node
We had a Windows 2003 cluster environment where we have evicted one node (1b) now.when user tires to take a RDP connection to the active node (1a) it says Socket error.The active node (1a) was...
View Articlevolume added to SQL cluster but coludnot be found
Deari add volume to SQL server cluster i found it in cluster storage and move to to SQL server cluster service but i cont find it in volume when try to make backup
View ArticleFailoverCount is not getting reset for QuorumResource in Windows2012 R2...
Hi,I have two-node failover cluster on windows server 2012 R2 with third party resource as quorum with typeNode and Disk Majority. on fault of quorum resource FOC is not failing over "Cluster Group" to...
View Articleevent id -5120
Hi All,Can any one help me to resolve this issue. iam not geting 100% validation report for my cluster configaration...DCluster Shared Volume 'Volume1' ('Cluster Disk 1') is no longer...
View ArticleServer 2012 Cluster nodes hang and VMs lock up, memory leaks and critical...
Last night my two-node cluster went down for no apparent reason. All VMs (4) were down even though the cluster manager said they were running. The cluster shared volume on my SAN was not accessible...
View ArticleVSS on File Server Cluster 2012 R2
We just configured a fail over cluster and added file services. We would like to configure the storage with VSS to allow for easier file restoral by the end users (volume is snapped at the SAN...
View ArticleNeed to cluster two virtual webs and few services
EnvironmentOS = Windows 2003 R2I was to HA an application which has two virtual webs hosted at IISand also around 8 windows services on which the application is running. Please adviceAny comment will...
View ArticleWindows server 2012 hangs when accessing a Cluster Shared Volume
Hi,We have 2 windows server 2012 Datacenter member of windows cluster, servers are running hyper-v. the 2 nodes hang once we try to access CSV volume (c:\clusterstorage\volume1) when i tried to do live...
View ArticleCSV iSCSI LUN slower than iSCSI LUN on same netapp filer
First time for me playing with CSV and Windows Server 2012 R2. (Looking Forward to use SMB 3 and CSV Cache for hyper-v)Old productive using iscsi luns as vhdx/vhd storage from each hyper-v...
View ArticleHowto change Quoram configuration in win2003R2
Howto change Quorum configuration in win2003R2. I have two nodes cluster and I want to change quorum setting as below.Node and Disk Majority (recommended for clusters with an even number of nodes)Any...
View Articlecluster ip address
Windows 2008 R2 clustering Microsoft Failover cluster virtual adapter some cluster resources and it showsresource Group node...
View ArticleServer 2012 R2 failover cluster
Hi Guys,I created a 2 node cluster using server 2012 R2 ..I have VMM 2012 R2 running on both nodes with SQL 2012 SP1VMM is configured for High availability and SQL always-on feature is also enabled.Now...
View ArticleServer 2012 Hyper-V Cluster Network Configuration
I have not been able to find any documentation that explicitly says if my network configuration is supported or not. It passes cluster validation but after a crash last weekend I am questioning it....
View ArticleFailover Cluster Network Name Failed and Can't be Repaired
I have an issue that seem to be a different problem than any others have encountered.I've scoured everything I can find and nothing has fixed my problem.The problem starts with the common problem of...
View ArticleNic Teaming and Clustering
I have 3 nodes in a cluster running server 2012. I have 2 ex4550 juniper switches connected via virtual chassis cables so they act as one switch. I have 2 10G Nic teams on each server. They are...
View Article