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    WTB 12tb sas

    Thanks for the heads up. I didn’t even check other sizes, and assumed 12tb was the sweet spot!
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    WTB 12tb sas

    Looking for qty 4 12TB sas drives, brand doesn't matter
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    WTS xeon e5-2680v2 + mobo + 256GB ram

    I'm also willing to part it out
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    Cheap External 5 Bay Sata Enclosure?

    Phanteks Enthoo Pro is a great cheap case that you can put a lot of drives in if you add a 3x5.25 -> 4x3.5
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    WTS xeon e5-2680v2 + mobo + 256GB ram

    I've got my old faithful setup for sale. Intel S2600CP2 motherboard (no io shield) 16x 16GB Hynix 2Rx4 PC3 12800R dimms 2x Xeon e5-2680v2 Cooler Master Hyper 212 evo 120mm fan heat sinks asking $175+ shipping edit: dropped the price!
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    WTB - cheap enterprise SATA spinners

    I realized that I have 4 3TB WD Red Pros just sitting in an old enclosure doing nothing.
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    WTB - cheap enterprise SATA spinners

    I'm looking to purchase 2 inexpensive enterprise SATA drives >=2TB in size Seagate Exos, HGST, whatever, just known working and cheap. No longer needed
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    WTB - xeon 2690v4, mobo, ddr4-2133 ram

    I'm looking to upgrade my current dual e5-2680v2 server, and it looks like xeon scalable is still too expensive and the sweet spot would be a broadwell v4 generation setup. WTB Supermicro X10DRi motherboard fulfilled e5-2690 v4 x2 fulfilled DDR4 2133 ecc rdimms, 16GB or 32GB sticks fulfilled
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    Dell R740xd2 26HDD to butterfly riser + low profile conversion

    My guess is that you cannot convert your rear drive bay chassis to one with the additional slots. It's not necessarily just a matter of replaceable parts but the chassis and motherboard etc. See this website listing various parts. Note on the R540 there are 3 distinctly different chassis...
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    Dell R740xd2 26HDD to butterfly riser + low profile conversion

    Which pcie riser configuration do you currently have? Refer to this doc. Do you have the one with the rear drive cage? https://i.dell.com/sites/csdocuments/Product_Docs/en/dell-emc-poweredge-r740xd2-technical-guide.pdf It appears you want the change it to the configuration on page 8 figure 5?
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    Solarflare SFP+ 10Gbe cards

    You do not need any activation key for onload, efvi, tcp direct, or ptp with the PLUS version you can check the licensed features once you install it and run "sfkey"
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    2nd zpool or add VDEV to existing zpool?

    When the heck is the version of ZFS on linux coming out that allows 1. expansion of raidz vdevs, 2. automatic rebalancing of data
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    2nd zpool or add VDEV to existing zpool?

    This may or may not matter to you, but it irks me to no end....if you add another vdev to your pool all your writes will go to the new vdev, they will not be balanced.
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    ISP > Switch > firewall aka wan breakout?

    The typical purpose of fronting the ISP connections with a switch is so you can have redundancy with high-availability firewalls. Don't need any vlans, can be unmanaged switches. Each firewall of the HA pair will have a connection to each ISP in this scenario. see this crude diagram edit: If...
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    HGST 12TB SAS3 3.5" - $105 OBO

    The 52 near the end of the model number noted in the auction would indicate 512e
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    Is mining dead now?

    Some are trying other coins that are still PoW, however, that has obvious problems. As miners move to another coin, that lessens the profitability for all miners of that coin. Furthermore, the mining is to support the transactions of that coin...and no coins have anywhere near the volume of...
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    If domain controller goes down, how to access ZFS shares

    Uh....environment with a single domain controller? Pretty insane. Having a local backup account isn't a bad idea, however, if you're only creating one to share amongst all your users, you'd have to give it permissions to everything. Everyone would have access to everything. If that's not a...
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    NVMe with Dell R440 PE Servers

    Even if you have the x10 backplane that supports NVME, you cannot use the M.2 to U.2 adapter for all 10 bays, just 4 of them, which are wired for nvme back to the motherboard. They should work for those 4 bays though.
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    anyone interested in Redundant Array of Independant Tape?

    Yes, please stop calling these arrays, these are not anything like traditional disk arrays that stripe and parity (raid5, raid6, raidz, etc.) I think that's partly why people were not understanding what you were trying to do originally.