Eight NVMe M2 SSDs in RAID on X399 Threadripper Reach 28 GB/s
Two ASUS Hyper M.2 X16 cards combined with eight Samsung 960 PRO/EVO SSD show IOmeter transfer speeds in a excess of .... 28375.84 MB/s. That's the funky thing about Threadripper RAID, the platform has so many PCIe Express lanes that...
A related idea occurred to us recently, after seeing the VROC "dongle".
There may be a way for Microsoft to modify future Windows OS
to boot from an OS "software RAID" e.g. by permitting the
STARTUP files to be pre-loaded on a USB thumb drive.
If this were done in a generic way, it would...
> the default config for that card is to treat the PCIex16 as 4x4.
> It likely has to do with both PCIe lane allocation and bifurcation support in the bios
That makes total sense:
with a variety of different jumper settings,
there will need to be logic at the other end
of those circuits to...
p.s. I would already have a much more modern workstation,
if rogue federal agents had not retaliated at me for whistleblowing.
We deploy RAID-0 as a cheap way of "wear leveling"
and it has worked out extremely well for my needs.
And, the (aging) workstation that I do have...
> Simply put, I expect it to take a two socket if not a four socket system to consume the IO of 8 nvme in raid 1 (really, who uses raid 0).
I'm truly looking forward to reading how your 8 x Syba caddies work out for your needs.
Plus, by choosing Intel you can expect proper technical support...
> How many cores does it take to consume the IO that such a system could generate?
Wow, that's a really good, and really challenging, question :)
I am certainly not expert enough to provide the last word here.
A very rough answer to that question goes like this:
If we view a single 64-bit...
> What is the use case?
I realize that a lot of data centers will almost automatically
recommend a "cloud" solution for the following; however,
sometimes a data set really does warrant absolute privacy,
particularly when we are talking about confidential information
e.g. proprietary R&D...
Concept Product - CP021 Discussions
Concept Product - CP021 Discussions - OEM / Concept Products - ICY DOCK Forums
IcyDock's reply, August 1, 2016:
Thanks for the input. We do hear many voices asking us to make a 4x NVME SSD cage in a 5.25" bay. However, since the market is still new and a...
IcyDock are half-way there with this "Concept Product" (not yet being manufactured):
CP021_BY TYPE - WITH HDD TRAY_CONCEPT PRODUCTS_ICY DOCK manufacturer Removable enclosure, Screwless hard drive enclosure, SAS SATA Mobile Rack, DVR Surveillance Recording, Video Audio Editing, SATA portable...
Yes, that's the whole idea.
BUT, you are saying that as someone who already
has all of the necessary hardware in hand.
My own objective is to encourage industry players
particularly Intel, to realize that PC / workstation-class prosumers
do NOT have the time, space or money to invest in large...
Just go back to your SM chipset diagram above
and witness all of the different low-speed devices
that are served by the PCH e.g. SATA / USB 2.0 / USB 3.0 / PCI-E X1 / PCIE-X4 .
ALL OF THE LATTER ARE FED BY THE PCH
AND THE PCH IS FED BY A SINGLE DMI 3.0 LINK.
So, arguendo, if you...
Right! Gamers who prefer to post questions on User Forums,
rather than to read manuals and do the hard research.
Just look at how AMD are pitching Ryzen CPUs,
and none of their AM4 motherboards do anything serious
to advance the state of storage technology.
I wrote AMD's CEO to propose that...
So, with a cabling topology like the one in the following photograph,
and with all M.2 slots located downstream of the DMI link,
nobody has been able to exceed MAX HEADROOM imposed by that DMI link:
So, it seemed to me that motherboard and storage vendors
stopped promoting such RAID-0 arrays...
> Who's trying to use NVMe downstream of the PCH?
Mostly DIY prosumers who buy motherboards with
2 x M.2 slots, or 3 x M.2 slots, and configure those
multiple M.2 SSDs in a RAID-0 array.
ASRock has a motherboard with 3 x M.2 slots:
The ASRock Z170 Extreme7+ Review: When You Need Triple M.2...
> In the case of a pcie slot linked directly to the CPU, how does DMI come into play?
There is no connection: by using one of the x16 or x8 slots on your chipset diagram,
you are bypassing the DMI link completely.
Right dead center in the chipset diagram above, see "DMI2 4GB/s" .
> While waiting for the m.2 to SFF8639 caddies I tested both Intel 750's and a P3700 in the front load 2.5" trays.. both fit perfectly.
I was concerned whether the backplane sockets
are going to mate properly with the Syba caddies.
You're about to find out!