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Windows Cluster and Storage Spaces Prerequisite Roles and Features

Each cluster member server requires a set of Windows Roles and Features to be installed and configured. Note: These prerequisites must be installed on every cluster node. Open a PowerShell window and run the following commands on all nodes.  At ... continue reading
PowerShell Command Outputs

Create a Virtual Disk on Storage Spaces Standard

How to create Multiple Virtual Disks (Spaces) on a single Windows Storage Pool 2012r2 to give the best performance and reliability.continue reading
Powershell Get-PhysicalDisk

Create Storage Pool on Storage Spaces Standard

Windows Storage Spaces pool is a data structure that groups disks into a pool.  Virtual Disks are carved out of disks within a pool.  Disk failures are also repaired within a storage pool. This procedure applies to Windows Server 2012 R2. For the following ... continue reading
change network adapter settings

Configure Network Ports on Windows Clustered Systems

Each node of a Windows Cluster should be configured exactly the same including the networking parameters (other than unique IP addresses for each system). Configure IP Addresses Every node on a Windows Cluster should be configured with IP Addresses DNS ... continue reading

Installing Mellanox Network Card Device Drivers

The drivers for the Mellanox NIC card may already be on the Windows distribution, but should be updated to the latest version.   Download the drivers and run the setup file that comes with the driver package. Datasheets and documentation: ConnectX®-3 EN ... continue reading

Configuring Multipath IO on Windows Cluster Systems

Multipath IO (MPIO) is required when more than one computer system is attached to the same set of shared disks. MPIO is also required when attaching additional storage externally via the SAS ports located on the rear of each of the system nodes ... continue reading
KB9-Screen-Shot-1

Hyper-V VMs fail with error 0x80070569 while Starting or Live Migrating

Symptom Virtual Machines on Hyper-V fail with error 0x80070569 to Start, Stop or fail to move (Live Migration or Quick Migration).   Also new Virtual Machines fail.  The error messages may vary, but if running the command:  GPUPDATE /force fixes the situation, ... continue reading
KB6 - 1 BIOS

Network Tuning – BIOS settings for Mellanox Network cards

This article documents the BIOS parameter settings to achieve the best performance for Mellanox Network Cards. Adjust the following BIOS settings Disable Hyper-Threading Set CPU Power to High Performance Procedure Boot to BIOS and go to Advanced Select CPU Configuration ... continue reading

System Error 1240 Has Occurred

System Error 1240 Has Occurred. The Account is Not Authorized to Login from This Station attempting to mount a client to an SMB network sharecontinue reading

Configuring a Windows Cluster Quorum Witness

Clusters with an even number of members are vulnerable to "Split Brain". The best solution for this is to create a disk or share quorum member.continue reading