Cluster network degradation
Hi all, I'm just wondering if anyone else has experienced this.We have a 3-node 2012R2 cluster, all nodes running core. It's fine, the only test it seems to fail is the cluster communication networks...
View ArticleNode failed to join cluster - Cluster group could not be found
Hi,I'm having problems joining a Hyper-V cluster node to the cluster, after a reboot. It gives me a critical error in the event log: EventID 1070 - The node failed to join the failover cluster...
View ArticleHigh availibility with hyper-V
Hi,our customer uses hyper-V VM (on Linux) on a primary site, and a multi site cluster to allow disaster recovery plan.He plans to install an IBM product (based on WebSphere appplication server).My...
View ArticleHyper-v Validation Report - VM Paths do not appear accessible to all nodes
We have a two node hyper-v cluster with a two node SOFS. When validating the cluster for our virtual machines we get the following in the report: The following virtual machines have referenced paths...
View ArticleHyper-v cluster changes Volume numbers after power failure or storage reset
We had encountered multiple times a case where the volume numbers - which the virtual machines usually depend on to located their VHD/VHDX files and their configuration files as well - totally changes...
View ArticleWindows 2012 NLB + ARR (proxy server functions redundant)
Hello everybody,I am developing a Windows Server 2012 R2 architecture (Virtualized all servers as Virtual Machines - VMs).The architecture foresees some application with WebServer IIS.The architecture...
View ArticleCan Cluster Aware Updating update mutliple nodes at once?
HowdyWe have way more capacity in our Hyper-V cluster than we currently use. We do patching via CAU and it takes a very long time. We have 6 nodes and since it goes one by one, each machine takes...
View Articleadding in a second ip address to SQL 2008 R2 cluster instance
2008 R2 cluster. I want to add in a second IP address on a different subnet, for backups. I don't want failure of the iP resource to be service impacting. My plan is to -add in new ip resource to the...
View Articlehow to prep a Win2k12 R2 server for SQL Server 2014 clustering?
we are preparing to implement high-availability or clustering for SQL Server 2014 Enterprise Edition with SP2. is there some sort of guidelines how to prep a Windows Server 2012 R2 to support it?
View ArticleFailover/Failback settings for WSFC/AlwaysOn in Multi-Subnet envoronment
Hi All,I'm new to WSFC/AlwaysOn. What production settings do you use for Failover/Failback, Failover threshold, network thresholds for WSFC/AlwaysOn in Multi-Subnet in different geographies to guard...
View Article2008 R2 cluster network name resource ip addresses, versus ip address resource.
We have a lot of clusters in our company. Many have two IP addresses in an application, one for prod and one for backup, each on a different adapter. E.g we have SQL instances like this.Looking at the...
View ArticleValidating Cluster Configuration
Hi Team, We have shared storage mapped with Windows Server to install Windows Failover Cluster. Before creating Cluster as a first step we want to run Cluster validation . Is it suggested to include...
View Articleserver 2012 Hyper-V CSV volume reporting incorrect space
I have a 3-node server 2012 Hyper-V cluster with 10 CSV's.Our main CSV (3.5TB in size holding the majority of our VM's) seems to be increasing in used space even though there have been no VM's added or...
View ArticleCluster Service terminated by GUM Task
I've had an issue where one of my Windows 2012 R2 Hyper-V hosts just decided to keel over and die on me. The event which I'm seeing is as follows:Log Name: System Source:...
View Articlewindow 2012 r2 - cluster resource vs cluster disk
Hi all,I create a 2 node WSFC and added a cluster disk to it. I have not installed any clustered application and roles yet.I am playing around with the cluster resource (such as moving it around). On...
View ArticleValidate SCSI-3 Persistent Reservation failed during Cluster validation
Hi Team, We have 'Validate SCSI-3 Persistent Reservation' check failed during Cluster validation.Cluster nodes are running on VMware virtualization platform and shared storage is from EMC storage...
View ArticleMPIO with Windows Failover Cluster
Hi Team, I am looking some pointers on configuring MPIO for Windows Failover cluster with shared storage. Is it mandatory to install MPIO feature before or with Windows server failover cluster with...
View ArticleTeam up iScsi networks in windows 2012 R2 failover cluster
Hi Team,I have a fail over cluster with 3 nodes. We are using iSCSI initiators to connect SAN storage. Each node has two iSCSI network adapters.Need your suggestion is it feasible or advisable to team...
View ArticleCannot add a second node!
Hi I have a two node hyper-v cluster that i am running. One of my node failed (crashed) , I reinstalled my server, setup as it was before the crash occured. I tried to re-add it bu it keeps falling...
View ArticleClik here to view.
Assigning Permission to Cluster
Hi Team,We have installed Windows Failover Server with an account that has domain admin rights.Once failover cluster is created, we are handing over the Cluster access to SQL Admin. We have an SQL...
View Article