Microsoft Server 2012 R2: the OS for the hybrid cloud


Windows Server 2012 R2: SSD acceleration

Source:  Microsoft

Server 2012 introduced Storage Spaces, which virtualised storage by abstracting physical hard drives into a pool of resilient storage.

Using thin provisioning administrators enables to over-allocate physical storage and add more physical drives only when needed, or after drive failure.

The biggest new feature in Server 2012 R2 is storage tiers, which lets you mix fast SSD (Solid-State Drives)  with conventional drives. Virtual disks can then have two tiers of storage, with data moved between SSD and hard disk drives according to its usage. You can also pin data to a tier using PowerShell.

Storage tiers can dramatically improve performance, though there are limitations. Tiered storage does not support thin provisioning, and the number of SSDs and hard drives needs careful planning.

Adding SSDs to Storage Spaces also enables a write-back cache for all virtual drives, improving performance and resiliency.

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