Typos
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@ -9,7 +9,7 @@ title: "Rin"
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# logo = "img/logo.png"
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description: "As in 凛冽时雨"
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copyright: "Copyright 2022 Rin (Tamara Vassileva) <br /> All opinions herein are our own
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and not those of employers past, present, or potential. <br /> Icon couresty of [https://picrew.me/image_maker/41329/](https://picrew.me/image_maker/41329/)"
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and not those of employers past, present, or potential. <br /> Icon courtesy of [https://picrew.me/image_maker/41329/](https://picrew.me/image_maker/41329/)"
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dateFormat: "Mon Jan 2 2006"
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@ -37,7 +37,7 @@ After deliberating on it for a while, we decided on the following:
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| Motherboard | Must support large amounts of RAM and have BMC/IPMI |
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| RAM | Moderate speed, 128GB to start, more to be added |
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| Storage | At least 32 TB usable, 2 redundant disks min., 1 hot spare |
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| Networking | Min. 2 ✕ 1Gbps outbound, 2 ✕ 10Gbps internal |
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| Networking | Min. 2 ✕ 1Gbps management, 2 ✕ 40Gbps data |
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### But Why?
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@ -120,11 +120,11 @@ for resilience reasons, so we'll do that too. We'll want something with relative
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good random IO speeds.
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In theory, we could go hog wild and get Intel Optane and never worry about it again, but that's...
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prohibitively expensive to put it lightly.
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Again, balancing cose and performance, 2 ✕ 500GB Seagate FireCuda 530s does the job well. Relatively high endurance,
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Again, balancing cost and performance, 2 ✕ 500GB Seagate FireCuda 530s does the job well. Relatively high endurance,
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good random IO performance, and not too expensive. Two of these sets us back 600 AUD.
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### The CPU
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We're going to make an executive decision and go with an AMD Epyc CPU, because we've always wanted to use one.
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We're going to make an executive decision and go with an AMD EPYC CPU, because we've always wanted to use one.
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That said, we have a few options:
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| Model | Generation | RRP (USD) | Cores (threads) | Clock (GHz) | L3 Cache (MB) | TDP (W) |
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@ -153,17 +153,20 @@ Shipped to a friend, this sets us back ~1500 AUD.
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With our CPU chosen, we need a motherboard that fulfills our purposes.
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Of the options, we are looking for something with an
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IPMI/BMC, and dual Ethernet interfaces onboard, as our 40GbE port requirement can be fulfilled by a PCIe network card.
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IPMI/BMC, and dual Ethernet interfaces onboard, as our data port requirement can be fulfilled by a PCIe network card.
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8 SATA ports under one SATA controller would be nice, as it makes configuring passthrough for ZFS easier, but is not
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essential.
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The AsRock Rack ROMED8U-2T serves our purposes perfectly:
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The `AsRock Rack ROMED8U-2T` serves our purposes perfectly:
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- [X] 8 ✕ DIMM slots
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- [X] 11 ✕ SATA (2 ✕ mini-SAS)
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- [X] Some amount of PCIe Slots (3)
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- [X] 2 ✕ 10GbE + 1 ✕ IPMI
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We don't *need* 10GbE for our management network, but this allows us to build this out with 2 ✕ 10GbE for data, and
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upgrading to 2 ✕ 40GbE later, which may be what we end up doing.
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New from Newegg, this sets us back ~1100 AUD.
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### The RAM
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