Pennywise 2 - Work in progress .......
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@gpedro Somewhere around there. The SAS controller has 6 channels, with 4 drives per channel, so the plan is to plot 6 drives at a time, one on each channel. Will report the actual plotting speeds when it's complete.
I upgraded the controller on Pennywise - from SATA2 to SAS2/SATA3. Same brand, but the arrays are not compatible - replotting Pennywise from scratch, but faster.
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@gpedro I calc'd I could get it to 1.6PB for $45K, and ROI in under a year
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@haitch I wish I could do the same hahaha
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@gpedro I'm contemplating whether I want to expand it via my own funds, or make it an asset. As an asset it could expand rapidly and become a huge monster quickly, assuming the shares sell, but torn over whether another mining asset would sell or do I just want to keep it all for myself.
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@haitch i been scoping out a few 4U units on Ebay saw several HP proliant DL580 G7's for a decent price. also found a supermicro 4U 36bay unit for only 450$ but it's only the 16 core AMD one not the xeon one
also the 36 bay unit will not detect HDD's larger than 2TB,
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@Gibsalot I have a DL580 G1 - quad AMD processors, but only 2.5" drives. But also a ton of PCIe slots, so could massively expand it. The Pennywise 2 chassis + mobo was around $850 on eBay, the CPU's, $100/each, and 128GB RAM for around $300. If you can find the right chassis, it's not hard to build a monster system through eBay - the key is the chassis + mobo. Combo deals are normally the best. Check out the For Sale for Mr. Rackables.
Edit: And yeah, always check the backplane and controller - you need SAS2, otherwise you'll be stuck with 2TB drives.
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i found the chassis your using for 350$ , not bad for 24 bay , i figure i have two block release's of my asset and ill need a new rig to add drives , as this one will be maxed as long as i can get decent HDD prices. starting the process of scoping out a large rig and seeing what kind of prices ill be looking at , next rig will be a dedicated burst mining rig
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if that older supermicro 36bay amd cpu rig would support larger than 2TB drives id snatch it up in a second drop in a GPU and some USB3.0 exp cards
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@Gibsalot To be able to use > 2TB drives you need a SAS2 backplane. Triple Check the backplane on any chassis, if it's SAS1, avoid.
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@haitch OMG!
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@haitch will it work as raid or not?
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@haitch I am actually thinking in getting one of those in the near future. Problem is that in my flat do not have so much space really, and I have to share the studio/office space with my GF :) Tose supermicro systems look to be the ideal ones indeed...
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@altin.preniqi It could be RAID'd, but I'm not individual drives.
@vExact Yeah, know about the space issue, I now have two 4 U servers and didn't think about where they were going to go ......
