New 12TB=96Tb HD. Non-recoverable error rate: 1e-15 per bit. E[complete drive reads per error]: 10 https://www.wdc.com/content/dam/wdc/website/downloadable_assets/eng/spec_data_sheet/2879-800074.pdf …pic.twitter.com/W3ztIYiudi
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Want to write to your filesystem safely? No worries, the manpage has all the latest rumors http://danluu.com/file-consistency/ …pic.twitter.com/uhGU1LAM2w
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In the fine print, they say their annualized failure rate calculation is based on a workload of 219TB/yr for a 12TB drive
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It's a little concerning that the APFS devs say data checksums are unneeded because HDs are reliable, contradicting every study on HD errorspic.twitter.com/uHNdsIwhXp
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What a strange response. This is exactly what it looks like when programs have crash consistency bugs https://github.com/prometheus/prometheus/issues/1967 …pic.twitter.com/2p0907ozxU
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It's like watching people using mongo respond to aphyr: "there can't be bugs because I only rarely hear about data corruption".
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You don't hear people say "it can't be a concurrency bug because the system works 99.9% of the time and then it's weird 0.1% of time".
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But, for some reason, this is considered a valid counter-argument to potential distributed systems and crash consistency bugs? wtf?
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@danluu Really enjoyed this paper about filesystems. Thank you for writing it. Any chance to get ZFS added to the table of filesystems? -
@mihalis68 I would love to have the time to reproduce the results on current filesystems, including ZFS. Not likely soon, though.
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you can tune a filesystem...
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But you can't file a tuning system?
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In that vein… What’s the difference between pea soup and roast beef? Anyone can roast beef.
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But no one can sea poup? Did I screw this up
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@danluu@stuartsierra Did you jump on the manpage after reading the "files are hard" article on HN ? -
@EricDvorsak@danluu@stuartsierra You mean the article at http://danluu.com ? -
@zellyn OK I just realized it's his own website xD - End of conversation
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they have all the latest rumours, only Brits can write filesystems
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@danluu FILESYSTEMS FOR THE FILESYSTEM GOD! MANPAGES FOR THE MANPAGE PRESIDENTThanks. Twitter will use this to make your timeline better. Undo
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