How large SSD should I buy for open source developing?
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@jronald said in How large SSD should I buy for open source developing?:
nuclear polution problem in japan
? Where did you here this? They check for radioactivity at most ports in most countries now. This is part of preventing nuclear proliferation. I highly doubt that it would be in their exports.
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@fcarney said in How large SSD should I buy for open source developing?:
? Where did you here this? They check for radioactivity at most ports in most countries now. This is part of preventing nuclear proliferation. I highly doubt that it would be in their exports.
Because of the way the media works in Japan, people don't realize how bad Fukushima really was. In the weeks that followed, the background atmospheric radiation levels went up significantly around the globe. There is a lot of monitoring of atmospheric radiation here because shale rock fracturing is a way they reclaim natural gas from the these rocks, and the shales are slightly radio-active due to uranium decay in them, which out-gasses as radon. Japan produce exports may have some low-level contamination in them based on what metals are present, but could not say how much, or for how long it would be a problem.
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re ssd for development...I personally discourage ssd for development, but only use them for relatively static operating system images. development does a lot of writing on disks and SSDs have a much shorter expected lifetime than rotational media. I'm currently working on spacecraft flight systems and we MUST use SSD for non-volatile storage. Hardenning the systems against cosmic radiation events is a significant portion of what goes thru my head on a daily basis at work. All you can really do is keep multiple images and CRC/ECC the hell out of everything. Then it is still a non trivial statistical possibility that a stray ray will corrupt data in a non-fixable way.
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@Kent-Dorfman
Just as a note:
I been using SSD for heavy c++ compiling for years and also running virtual machines on top of them. Its correct that the first Gen had low write count but newer m.2 disks take terabytes of writes with no issues. -
@Kent-Dorfman said in How large SSD should I buy for open source developing?:
Because of the way the media works in Japan, people don't realize how bad Fukushima really was.
Not as bad as you make it sound, much worse than it could've been if tepco have handled it better ... in any case most of the radiation release was through leaching into the pacific, not through atmospheric dispersal (you don't have full exposure of the reactor vessel, but a partial meltdown). Now they have no idea what to do with the water they've been pumping through the reactors, so they just store it in tanks ... like that's going to last ...
In the weeks that followed, the background atmospheric radiation levels went up significantly around the globe.
Not really. They went up in and around the pacific, not at all much in western asia, the middle east, africa or europe. Only trace amounts of I-131 were detected here in europe way below any significant thresholds. Plus we don't need no stinkin' japanese reactors to irradiate us, we have Russia, which occasionally does that ...
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@mrjj -- I'll stick with rotational for non-persistent data.
@kshegunov - it certainly upped the levels here on the east coast of the US. Didn't even want to mention that little ukranian mishap. I would love to have a real sample of Chernobylite though. Trinity site glass just isn't the same. LOL And of course you are right about the Pacific water contamination... -
@Kent-Dorfman said in How large SSD should I buy for open source developing?:
it certainly upped the levels here on the east coast of the US.
Eh, maybe. I don't have data, but I'd take a guess on "marginally".
Didn't even want to mention that little ukranian mishap.
Actually I was thinking of more recent times when I wrote my comment. Like the friendly Ru-106 we got two years ago ...
I would love to have a real sample of Chernobylite though. Trinity site glass just isn't the same.
Nobody makes it as good as in the soviet union, I admit. Although, you can indeed sample it - they do accept tourists now, and east of the civilized world we don't judge people by the color of their money; green is perfectly fine. ;)
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@Kent-Dorfman I never had any issues with SSDs. And one of the reasons why developers should use VCS is to have back-ups - a failing SSD is then a non issue...
