Re: [DIYbio] exome and genome data storage

On Sat, Nov 24, 2012 at 04:38:17PM -0800, Giovanni wrote:
> Yours seems correct. The only thing I would use would be error correction
> code (in RAM and/or in disk writing)/redundant sectors/RAID, but even that

You're looking for ECC RAM and zfs, plus nearline or enterprise
disks (SAS).

> wouldn't be more than 40GB. I'm wrong or missing something too. This link
> has a curious number:
> http://www.kinexus.ca/pdf/graphs_charts/HumanGenomeSequence.pdf
>
> On Saturday, November 24, 2012 3:21:31 PM UTC-6, Nathan McCorkle wrote:
> >
> > Are you sure you're not thinking before assembly vs after assembly? If
> > humans are around 6.5 gigabases, and 2 bits per base, that's 1.625
> > gigabytes. Assuming we just use one byte per base, that gives us 6 extra
> > bits for storing methylation status, etc, and is 13 gigabytes (also what it
> > costs to store that as ASCII).
> >
> > Am I missing something?
> >
> >
> > On Fri, Nov 23, 2012 at 1:37 PM, Giovanni <giovanni...@gmail.com<javascript:>
> > > wrote:
> >
> >> By one estimates, I read that the costs for storing full genome sequence
> >> data would be pricey (50 terabytes), although I read this article about a new
> >> optical disc<http://www.tweaktown.com/news/26908/1tb_optical_discs_are_coming_but_you_ll_have_to_wait_until_2015/index.html>that may be released in 2015 which will store 1-15 terabytes of capacity.
> >> I'm not sure what media formats genomic sequencing services use, but
> >> blu-ray discs costs about about $1/BD-R and make exome data storage
> >> relatively affordable. It's not unlikely that the price of TB optical discs
> >> will cost $4-5 dollars in 2018. A full genome sequence would likely benefit
> >> from something like the above link, because 4TB hard-drives aren't
> >> inexpensive or lightweight.
> >>
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> >
> >
> > --
> > -Nathan
> >
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Eugen* Leitl <a href="http://leitl.org">leitl</a> http://leitl.org
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