Let’s Build A DIY 400 TB Server – 1h HDD Installation –
Let’s Build A DIY 400 TB Server – 1h HDD Installation – Episode 6
#Lets #Build #DIY #Server #HDD #Installation
“STS”
Let’s finish up our 400TB server by connecting all of the miniSAS extensions and a total of 20 hard drives. Needless to say, the hard drives alone took over 1h.
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Case: SilverStone RM43-320-RS –
Motherboard: ASUS KRPA-U16 –
CPU: AMD EPYC 7763 –
Ram: Samsung 64GB 3200 EEC –
PSU: SilverStone Hela –
HDD: Seagate Exos X20 20TB:
00:00 What’s Next?
00:52 The PCIe Problem
02:25 Needed Extensions
03:56 Connecting All HDDs
09:00 Installing 20 Hard Drives
11:45 What’s Next
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oh, my man, if you'll need move this thing somewhere, let alone installing it in a rack, you gonna regret putting hard drives in it
Consumer NVME drives don't make good drives for Zil/L2arc/special devices. With the amount of ram you are putting in that machine unless you have a specific reason you need a ZIL/L2Arc/special device (lots of busy VM's, really busy databases, lots (and I mean lots) of small files) it can actually slow the server down to have a 'slow' or badly configured one. Better to mirror the boot NVME (or SATA SSD) in my opinion. Those back fans are probably 80mm, that's generally the standard size for rear exhaust fans on 4U.
I can't tell the exact part number from the video but these red PCIe to Mini-SAS adapters don't look like they have a storage controller on them. In servers Mini-SAS can carry PCIe (NVMe), SAS or SATA. If you need NMVe, these simple brackets will work. If you need SAS or SATA, you are going to need a card with a controller. Epyc CPU's do have the ability to convert up to 32 lanes from PCIe to SATA but the motherboard manual doesn't mention this. Interested to see if all 20 disks will show up.
He's learning, I am so proud of him. Now the question is, what RAID configuration will he use?
1 span of RAID 6
4 spans of RAID 5 in RAID 50
4 spans of RAID 6 in RAID 60
2 spans in RAID 1 in RAID 10
Something else entirely? The possibilities are endless.
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