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Binary Rock

  1. 2017

2017-04-18 - Building The VM Host

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  • Supermicro X9DRL-IF Motherboard

    Supermicro X9DRL-IF Motherboard

  • Supports up to 512 GB of RAM

    Supports up to 512 GB of RAM

  • 2x Intel Xeon E5-2670 CPUs. 8 cores each, 2.6 GHz

    2x Intel Xeon E5-2670 CPUs. 8 cores each, 2.6 GHz

    Unfortunately, I realized after ordering that these are the C1 stepping (SR0H8), which has a bug affecting virtualization, so I have to return these and order CPUs of the C2 stepping (SR0KX). Bah.

  • 2x CPU coolers

    2x CPU coolers

  • 4x 8GB DDR3-1600 ECC RAM. 32GB total

    4x 8GB DDR3-1600 ECC RAM. 32GB total

  • 2x 120 GB SSD's for the host OS

    2x 120 GB SSD's for the host OS

  • 2x 2.5" hot swap caddies to hold the two OS drives

    2x 2.5" hot swap caddies to hold the two OS drives

  • OS drives mounted in caddies

    OS drives mounted in caddies

  • Supermicro SC-833 3U rackmount chassis

    Supermicro SC-833 3U rackmount chassis

  • With 2+1 redundant 760W power supply

    With 2+1 redundant 760W power supply

  • SATA Backplane (I'm guessing SATA 2, supporting 3 Gbps)

    SATA Backplane (I'm guessing SATA 2, supporting 3 Gbps)

  • This chassis was actually sold as a complete, functioning server

    This chassis was actually sold as a complete, functioning server

    But the included motherboard, CPU, and RAM were all old and outdated, so out they came.

  • Supermicro X8SAX, Xeon E5504, and 6 GB RAM

    Supermicro X8SAX, Xeon E5504, and 6 GB RAM

    Also includes a 3Ware 9650SE RAID controller with battery-backed cache and ATI RADEON HD5450 video card.

  • Out with the old

    Out with the old

  • New motherboard installed and wired up

    New motherboard installed and wired up

    Just as I'm about to install the CPUs, I have a thought -- one of the mounting holes didn't have a standoff under it. That's not a big deal, but it occurred to me that the standoff might be somewhere else instead, touching the bottom of the motherboard.

  • Sure enough, I pull the board back out and realize several of the RAM socket pins are flattened

    Sure enough, I pull the board back out and realize several of the RAM socket pins are flattened

    I forgot to take a picture of the bent pins. This is after straightening them as much as possible.

  • The offending standoff

    The offending standoff

    It's permanently installed, can't be unscrewed like some of the others.

  • So, the natural solution is a Dremel

    So, the natural solution is a Dremel

  • Much better

    Much better

  • Motherboard reinstalled, and CPUs installed

    Motherboard reinstalled, and CPUs installed

  • These are still the SR0H8 models

    These are still the SR0H8 models

    I haven't received the replacements yet, so I installed these for now so I can get started configuring the server.

  • The next roadblock: These CPU coolers were not designed for a rackmount chassis

    The next roadblock: These CPU coolers were not designed for a rackmount chassis

    When I first ordered my components, I planned to build this in the same tower case that my old server lived in. The plan changed afterwards, and I forgot to reconsider the CPU coolers.

  • So I submitted another RMA request, and ordered some Noctua 3U coolers instead

    So I submitted another RMA request, and ordered some Noctua 3U coolers instead

  • Just a reference shot for the amount of thermal paste I used, for future reference

    Just a reference shot for the amount of thermal paste I used, for future reference

  • Noctua coolers installed

    Noctua coolers installed

    They fit perfectly, and actually touch each other, but that will just help ensure even heat distribution, or something. Sure.

  • The replacement CPUs arrived, so I removed the old ones

    The replacement CPUs arrived, so I removed the old ones

    Looks like the paste didn't quite reach the edges, so I'll use a little more next time.

  • The SR0KX CPUs are installed

    The SR0KX CPUs are installed

  • Using just a tiny bit more paste this time

    Using just a tiny bit more paste this time

  • CPUs, RAM, and wiring installed

    CPUs, RAM, and wiring installed

  • I was dismayed to discover the 2.5" caddies wouldn't go into the slots properly

    I was dismayed to discover the 2.5" caddies wouldn't go into the slots properly

    Then I realized I had mounted the SSD's upside down, oops. As a bonus, now the label with serial number is visible.

  • One of the three redundant PSUs is DOA

    One of the three redundant PSUs is DOA

  • Even though the PSU as a whole is rated for 760W, each of the three modules is a 380W PSU

    Even though the PSU as a whole is rated for 760W, each of the three modules is a 380W PSU

    I guess it combines the power provided by two of the three units at any given time. Never seen that sort of setup before.

  • The VM host (ummon) is now happily in its place in the rack alongside the NAS (keats)

    The VM host (ummon) is now happily in its place in the rack alongside the NAS (keats)

  • The two servers are using 5 power outlets between them, sheesh

    The two servers are using 5 power outlets between them, sheesh

  • 2x Chelsio S320E-CX4 10GBe cards

    2x Chelsio S320E-CX4 10GBe cards

    In order to enable 10gb Ethernet between the VM host and the NAS, I ordered a pair of dual-port 10GBe cards and some DAC Twinax cables. However, when they arrive I realize I accidentally ordered the Infiniband version of the cards, which is an older, outdated technology that doesn't work reliably under FreeNAS. Time for yet another RMA!

  • 2x Cisco SFP-H10GB-CU3M 10GBe DAC Twinax cables

    2x Cisco SFP-H10GB-CU3M 10GBe DAC Twinax cables

    Fortunately, the cables are correct.

  • 2x Chelsio S320E-SR 10gbe cards

    2x Chelsio S320E-SR 10gbe cards

    These should be the right ones to use with the DAC twinax cables I ordered.

  • Both 10gbe links connected, because why not?

    Both 10gbe links connected, because why not?

    Unfortunately, I haven't had luck getting the 10gbe link working. I don't know what I'm doing regarding 10gbe, but I was told it might be due to the DAC's. I ordered some fiber optic interfaces and cable instead. We'll see.

  • Chelsio-compatible transcievers from Fiberstore

    Chelsio-compatible transcievers from Fiberstore

  • 2x 1m OM3 Fiber

    2x 1m OM3 Fiber

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    With 2+1 redundant 760W power supply
    SATA Backplane (I'm guessing SATA 2, supporting 3 Gbps)
    This chassis was actually sold as a complete, functioning server