AMD RAID support?

Allan Jude allanjude at freebsd.org
Thu Oct 4 16:32:14 UTC 2018


On 2018-10-04 12:29, Zaphod Beeblebrox wrote:
> Are there any plans to support AMD RAID?
> 
> AMD RAID is _like_ Intel RAID, but has a number of differences.  One is
> that it requires UEFI (without UEFI it does not boot, at least).  It comes
> on/with AMD motherboards for Zen and Threadripper processors.  It also only
> supports RAID 0/1/10, that is: no support for 5/50.
> 
> Also, unlike Intel RAID, at least initially, the raw disks don't seem to
> show up.  That's not entirely true: On some motherboards, NVME RAID is
> supported and the NVME "disks" show up, but the SATA disks do not.
> 
> Obviously this is all in the service of mounting the dual-boot windows
> drive.
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Do you have any details on the metadata location and format?

GEOM Support for Intel RAID mostly consists of the ability to understand
the metadata on the drives and present the same RAID configuration to
the OS.

-- 
Allan Jude

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