All vSphere WSFC configurations require certain hardware and software components.
The following table lists hardware and software requirements that apply to all vSphere WSFC configurations.
|Virtual SCSI adapter||
LSI Logic SAS for Windows Server 2008 SP2 and above.
VMware Paravirtual for Windows Server 2008 SP2 and above. (recommended)
|Operating system||Windows Server 2008 SP2 and above releases. For supported guest operating systems see Other Clustering Requirements and Recommendations.|
VMXNET3 is required. You must enable in-guest Windows Receive Side Scaling (RSS) on the virtual NIC.
Note: Drivers, improvements and updates to the VMXNET3 virtual NIC are delivered through VMware Tools. Upgrade to the latest version of VMware Tools on any VM using the VMXNET3 virtual NIC.
Set to 60 seconds or more. Modify
The system might reset this I/O timeout value if you re-create a cluster. You must reset the value in that case.
pRDM (physical compatibility mode)
vVol disks can be thin or thick format
VMFS VMDKs with vSphere 7.0
|Disk and networking setup||Add networking before disks.|
|Number of nodes||
Windows Server 2008 SP2 and above: up to five-node clustering
For supported guest operating systems see Other Clustering Requirements and Recommendations.
|NTP server||Synchronize Windows Active Directory domain controllers and WSFC nodes with a common NTP server, and disable host-based time synchronization. See KB 1189 for more information.|
The following table lists requirements that apply to Clustered VMDK as a disk resource for a WSFC.
|Windows Cluster Parameters||Set the Windows Cluster Parameter QuorumArbitrationTimeMax to 60|
|Physical disk /Storage Array LUN||