KermitJr Posted January 8, 2019 Share Posted January 8, 2019 So after hitting a wall on my research here , I think I may have found a new option. My biggest fear is dropping 1K (for the below config) and then it not working. Please double check - from what I can see, each item is supported by unRAID. Thanks! SuperMicro 848A-R1K62B 24x LFF Processors: 4x INTEL XEON PROCESSOR E5-4620 EIGHT CORE 16M CACHE 2.20GHZ Installed Memory: 32x Dimm Slots Available (128 GB - 8x16GB) Hard Drives: 24x 3.5" Hard Drives Trays Included Raid Controllers: 3x LSI 9210-8I Installed (Flashed to IT Mode) Power Supplies: 3X 1200W Power Supplies Installed System Board: X9QRI-F+ Backplane: BPN-SAS-846A Network: Intel Quad Port PCIe network adapter Quote Link to comment
JorgeB Posted January 8, 2019 Share Posted January 8, 2019 6 hours ago, KermitJr said: Backplane: BPN-SAS-846A Like mentioned in the other thread you'll want a SAS2 model, BPN-SAS2-XXX Quote Link to comment
LunchB0xK1ller Posted January 24, 2019 Share Posted January 24, 2019 On 1/8/2019 at 12:48 AM, johnnie.black said: Like mentioned in the other thread you'll want a SAS2 model, BPN-SAS2-XXX Not always true as in this case, the backplane he is looking at is a direct pass-through one built to use iPASS from Supermicro. It will directly pass a disk through to the controller with no speed reduction or size restriction. Currently my Unraid server is housed in a CSE-836TQ 16 bay chassis and I have a CSE-826A 12 bay JBOD chassis to have more slots attached with a external pass through card. The 826 chassis has a BPN-826A backplane in it now and currently houses 10TB drives. It passes through full capacity and speed. The "A" backplanes have one sff-8087 for every 4 drives and that is plenty of bandwidth for 4 spinning drives per connector. a SAS2 backplane is nice because it has one connector for all the drives but it is not a requirement as long as you have enough PCIE slots for the HBA cards. In my chassis I have two 8 port internal cards for the 16 bay chassis and one 16 port external card for the add on "A" chassis. This is just my $ .02 and my personal experience YMMV. Quote Link to comment
JorgeB Posted January 24, 2019 Share Posted January 24, 2019 2 hours ago, LunchB0xK1ller said: Not always true as in this case, the backplane he is looking at is a direct pass-through one built to use iPASS from Supermicro You're right, got confused, that backplane doesn't have an expander, only SAS models with expander are limited to 2TB disks. Quote Link to comment
KermitJr Posted February 5, 2019 Author Share Posted February 5, 2019 Just wanted to chime in and say thank you for the replies! I actually found a 36 drive version with SAS2 backplane and beefier CPUs. Bwuahahahaaa!!!! KJ Quote Link to comment
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