Intel Volume Management Device Nvme Raid Controller

  



Hi, specifically i'm planning on getting 2 x Samsung 950 Pro M.2 for RST raid-0 on a z170 board (asus z170-ws). I don't quite understand however, once the drives get behind such raid volume (and it's probably not only relevant to samsung but also intel 750 ssd, or any other pcie storage device) ho. Windows. Driver for Intel Integrated RAID Module RMS3AC160, RMS3CC080, RMS3CC040, RMS3HC080 and Intel RAID Controller RS3DC080, RS3DC040, RS3SC008, RS3MC044, RS3WC080 Provides Windows driver for full featured (MR) and entry level (iMR) 12Gbs Intel RAID Controllers.

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Intel Volume Management Device Nvme Raid Controller

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Intel Volume Management Device Nvme Raid Controller Download

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Intel® Volume Management Device (VMD)

The Intel® Xeon Scalable series processors based on Skylake-SP feature a new Volume Management Device (VMD) built-in. This feature will seem similar to VROC (Virtual RAID On CPU), which debuted with the Core X series and X299 chipset, but VMD is what actually enables VROC.

Each CPU has 3 VMD domains that manages 16 PCIe lanes (total 48 lanes per CPU). The Intel® VMD can be turned on and of in the BIOS per 4 lanes (x4 PCIe SSD)

The total number of PCIe lanes in a dual socket machine equals 96 (2×48) and can be devided in max. 24 NVMe drives that are directly attached to the CPU in the system.

Intel® Virtual RAID on CPU (VROC)

Nvme Raid 0

Intel® VROC is and Enterprise RAID solution specifically designed for NVMe SSD’s
RAID can be built within a Single VMD domain but also across domains, and even across CPU’s

A RAID array can be bootable when they remain within a single VMD domain. RAID arays that span across multiple VMD domains are not bootable.

Because the Intel® VROC creates RAID arrays without using a traditional RAID HBA the performance is much higher.

Intel® VROC is a hybrid RAID solution. It has attributes like hardware RAID because of the key silicon feature, Intel® Volume Management Device (Intel® VMD). Intel® VDM is offered with the new Intel® Xeon® Scalable Processors. Intel® VROC utilizes Intel® VMD to aggregate NVMe SSDs allowing bootable RAID. Intel® VROC also has attributes like software RAID. For instance, it uses some of the CPU cores to calculate the RAID logic. Because of this combination of software and silicon, Intel® VROC is called a hybrid RAID solution.

Intel® VROC replaces the NVMe RAID. Intel VROC uses Intel® Volume Management Device (Intel® VMD) to provide these new features that Intel® RSTe legacy NVMe RAID does not have:

  • Bootable RAID
  • Surprise hot-plug
  • LED management
  • RAID5 Double Fault Protection
  • Support for third-party SSDs

Intel(r) Volume Management Device Nvme Raid Controller Drivers