Remember that the disks are likely to be the area where you need specialist cluster aware hardware. At the top of the range, the storage will be handled by NAS and SAN systems.
Disks to be used for cluster storage must be configured as basic disks and must be formatted as NTFS. You cannot configure cluster storage devices as dynamic disks or spanned volumes (volume sets) if they will be used as cluster resources. You can, however, use the DiskPart.exe utility to extend the volume of a basic cluster disk. for more information, see DiskPart.
It is highly recommended that you do not enable write caching on cluster disks.
In server clusters, the process of taking resource groups offline on one node and bringing them online on another node. When failover occurs, all resources within a resource group fail over in a predefined order; resources that depend on other resources are taken offline before, and are brought back online after, the resources on which they depend.
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