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Home office network advice needed - 6 NUCs, Two Networks, Thunderbolt and ISCSI, oh my!

post #1 of 4
Thread Starter 
Hope this is the right place for this, I could really use more sets of eyes on this idea.

I'm rebuilding a home office for a Stock market trader who's current all x58 build is beginning to show some failed components across the 6 machines in the office. So far I've built and tested an x99 system and put it through it's paces mimicking backups, incremental backups, and failure of components with the backup software and everything's going swell. The actual systems are going to be Skull Canyon NUCs because stock trading doesn't require a whole lot of CPU horsepower and the NUC strikes the perfect balance between modern I/O while sparing extraneous function.

All of the production machines need access to two central locations- a NUC-hosted thunderbolt raid 1 enclosure with two 4th Sandisk SSDs in it for file sharing, and a separate device for backups. Initially, the backups were going to be in a Drobo B1200i, but the fan noise on that unit made it clear it either needed a closet or to go. At $4800, compromise isn't something we expected, and it had to go.

Anyways, here's my problem- The office has an already set up 1gbe network with huge investments into security and hardware, the existing 1gbe network has to stay. That hurts my theme of eliminating interface bottlenecks. Thunderbolt 3 on the NUCs can be used for networking, however it's currently (as far as I know) limited to two device P2P. We need a faster i/o that can connect all of the NUCs to both the file sharing NUC and whatever solution is going to be for backups.

I've proposed, and I'd love advice on, a 10gbe network. An additional network, closed and offline. Here's the hardware I'm thinking of:


Netgear pro safe xs708 8 port 10gbe switch
​$996

Thunder2 10gbe network adapter
$399x6 (1per nuc)


QNAP TVS-463-8G-US 4 bay, 10gbe iscsi SAN NAS
$644 (Possibly SSD loaded via icy docks for speed)

I'd like to be able to use Thunderbolt to connect each NUC to a 10gbe network via the Netgear Pro Safe switch, and access the NAS from there, while letting the file-sharing NUC directly connected to the file sharing external drive. The reason for mixed NAS and DAS for backups and file sharing is so that in the event of any sort of network, drive, system, or interface failure, the user can simply get the spare enclosure and plug either of the drives in the DAS to any other computer in the office and have files accessible in a couple minutes.

The whole setup should be pretty foolproof, if I've thought it through correctly. Having a spare NUC with the ability to boot into the backup manager and image directly from the NAS is something the backup software handles, which is great. All NUCs will be loaded with 32gb ddr4 2400 and two 512gb 950 Pro m.2s.

So what do you guys think? I'd love to have some holes punched in my plan here before I put my hands to building all of this. Did I get the right parts? Is this a crappy network design? Is there a bottleneck I haven't foreseen? Thanks to anyone who throws their thoughts my way.
Six
(16 items)
 
  
CPUMotherboardGraphicsRAM
4930k Asus Rampage IV Gene Gigabyte 1080ti 16gb Samsung 30nm 
Hard DriveHard DriveOptical DriveCooling
Crucial M4 256x2 Raid0 1TB SSD none Corsair H80 
OSMonitorKeyboardPower
Windows 10 Acer Predator XB270HU Ducky Shine 6 Corsair AX750 
CaseMouseMouse PadAudio
Silverstone FT03 mionix naos 3200 Alienware Fiio e10k + AD700 
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Six
(16 items)
 
  
CPUMotherboardGraphicsRAM
4930k Asus Rampage IV Gene Gigabyte 1080ti 16gb Samsung 30nm 
Hard DriveHard DriveOptical DriveCooling
Crucial M4 256x2 Raid0 1TB SSD none Corsair H80 
OSMonitorKeyboardPower
Windows 10 Acer Predator XB270HU Ducky Shine 6 Corsair AX750 
CaseMouseMouse PadAudio
Silverstone FT03 mionix naos 3200 Alienware Fiio e10k + AD700 
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post #2 of 4
Any chance on going slightly larger form factor on the compute nodes? Mini ITX has built in 10Gbe and would work great in that setup. Not sure what the cost delta would be, but it'd be nice to not to require dongles for all of the nodes. Not sure if there are mini-itx nodes out there that have both thunderbolt and 10Gbe though which might reduce the flexibility of the solution.
My System
(13 items)
 
   
CPUMotherboardGraphicsRAM
Intel Core2 Quad Q6600 Asus Maximus Formula Zotac Geforce 8800GT 8GB Kingston DDR2800 
Hard DriveOptical DriveOSMonitor
80GB Intel X25M G2 Ben-Q DVD+-RW Windows 7 Ultimate Dual Dell 19" Trinitrons + 1 Hanns-G 19" LCD 
KeyboardPowerCaseMouse
MS Natural Multimedia Rosewill RX750-D-B Antec 900 Razer Diamondback 
Mouse Pad
Razer eXactMat 
CPUCPUMotherboardRAM
Intel Xeon Intel Xeon 440BX Desktop Reference Platform Kingston ValueRam - 72GB 
Hard DriveHard DriveHard DriveOS
Seagate Barracuda ES.2 Hitachi HUS724040ale640 Micron M500DC VMware ESXi 6.0 
Other
Synology ds2015xs 
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My System
(13 items)
 
   
CPUMotherboardGraphicsRAM
Intel Core2 Quad Q6600 Asus Maximus Formula Zotac Geforce 8800GT 8GB Kingston DDR2800 
Hard DriveOptical DriveOSMonitor
80GB Intel X25M G2 Ben-Q DVD+-RW Windows 7 Ultimate Dual Dell 19" Trinitrons + 1 Hanns-G 19" LCD 
KeyboardPowerCaseMouse
MS Natural Multimedia Rosewill RX750-D-B Antec 900 Razer Diamondback 
Mouse Pad
Razer eXactMat 
CPUCPUMotherboardRAM
Intel Xeon Intel Xeon 440BX Desktop Reference Platform Kingston ValueRam - 72GB 
Hard DriveHard DriveHard DriveOS
Seagate Barracuda ES.2 Hitachi HUS724040ale640 Micron M500DC VMware ESXi 6.0 
Other
Synology ds2015xs 
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post #3 of 4
Supermicro has mobo with 10Gb Nic. i would definitely build a 10Gb network. If you are brave, you can score 40Gb to 56Gb infiniband network for practically nothing on Ebay. A 400Gb switch for $500. What you want is redundant WAN for stock quotes and definitely as low latency as $$$$ allowed. I don't know if these traders will be accessing one or more machine learning servers on the LAN or not, but the key is reducing latency.
post #4 of 4
Furthermore, you want 2 of everything -- dual nic, dual switch, etc.
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