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Or a couple of 8 core Xeons for cheap. On the off chance you model weather patterns in your spare time. Expect that machine could be ludicrously fast for another 5 years.
http://www.etb-tech.com/intel-xeon-e5-2670-2-6ghz-eight-core-cpu-sr0kx.html#.VtlvfPmLSUk
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They won't fit the weird slots on my motherboard.
But I am pondering how to cheaply upgrade my NAS, so that's an option.
My NAS is only RAID6 12TB and I'm fast running out of space. Would like to move to 18TB with dual parity but I have nothing I can backup the existing NAS to and with older hardware for my existing NAS and a move towards larger drives I'm thinking it's time to move towards ZFS and FreeNAS.
The problem there is how to build a relatively cheap NAS enclosure for 18TB of disks and still have low power usage, high-bandwidth and super-quiet.
The other problem is that ZFS is super RAM hungry. I mean really hungry... at least 1GB RAM for every 1TB of disk... so I really need 24GB here, and if I want to put in bigger disks in future then I'd need the room for either 32GB or ideally 64GB of RAM. That all needs to be ECC RAM too, otherwise you'd get bitrot on write as it buffers through RAM and you know... cosmic rays really do flip bits over a long enough uptime.
Oh, and an enclosure it needs to take 8 drives, and a motherboard that can take all that RAM, and a power system that can segregate each of the drive power feeds.
Current research points towards one of these solutions (all kinda similar):
http://www.mcmayer.net/build-freenas-based-nas-server/
http://blog.brianmoses.net/2015/01/diy-nas-2015-edition.html
http://blog.brianmoses.net/2016/02/diy-nas-2016-edition.htmlFreeNAS has been selected based on this:
http://www.mondaiji.com/blog/other/it/10210-the-hunt-for-the-ultimate-free-open-source-nas-distro
The interesting thing is that your CPU is a tenth of the cost of one of my CPUs, and yet in terms of performance it's not far from what one of mine delivers.
The only real differences emerge in the bandwidth available to each CPU from RAM, and the ECC RAM support. But unless you're doing some incredible throughput and maxing it out, it's not going to make a difference. For the vast majority of workloads, because 3D rendering and even Photoshop would outsource some work to the GPU... you're actually going to see performance on par with my insane system.
This is why... when I finally do need to replace my machine, I'm unlikely to go back to a workstation class machine. I love my machine, but outside of the first 6 months of running a lot of VMs concurrently, it's just overkill and doesn't represent bang-for-buck.