On Thu, Dec 1, 2011 at 8:12 PM, Simon Quellen Field <sfield@scitoys.com> wrote:
> I helped build the Google approach to storing data.
> There is no way Google would ever use optical media to do that.
> Or Amazon, or WordPress, or Facebook.
> At Google, all data is stored three times, and if there is any fault in one
> copy, that disk is replaced and the data copied from the other two copies.
> Google stores my data for free.
> It is impact resistant, and backed up three times.
> While it is true that a Blu-Ray disk might last longer than I will (30 years
> from
> now) storing the data in the cloud can last even longer, since the data is
> maintained
> and the disks replaced when they fail.
> I don't see how free backups in the cloud are ripping anyone off. They cost
> less than
> the disks and the safe-deposit box fees. And accessing data on a disk in a
> safe at a
> bank can take days, whereas the data in the cloud is available 24/7.
> If you want to move data around, an optical disk sucks when compared to
> either a
> thumb drive or the cloud. You can mail the thumb drive, or you can simply
> email the
> URL of the data in the cloud.
> You might have recorded a lot of video onto Blu Ray disks. A lot of people
> recorded
> a lot of data onto 9 track tape, and it is now useless and unavailable to
> them because
> they don't have an ancient tape drive to play it on. The same goes for
> floppy disks,
> VHS, Betamax, cassette tapes, 8 tracks, and many other physical media that
> are no
> longer in use. In the cloud you don't worry about the data being stored on
> some disk
> you won't be able to read in 10 years. It gets copied into the latest data
> centers.
> Your disk might last 30 years, but in 10 years you won't have anything to
> read it on.
> The thumb drive is not for storing archives of data you will never have time
> to read.
> Save that for the cloud. But for transferring data, it is a lot better than
> a Blu Ray
> disk. It doesn't get scratched, it has no moving parts, it is many times
> faster to read,
> and you can fit a handful of them in your pocket, and you can re-use them.
> Archive.org stores their data on hard drives, just like all the other data
> centers do.
> Storing it on $13,000 worth of Blu Ray disks would be incredibly stupid.
> How long would it take you to find the data you wanted?
> Let alone copy it. Especially if it is in a bank vault on a Friday night. Or
> in your car
> on a hot day.
> At Google I helped NASA develop techniques to store terabytes of data per
> second
> from satellites. We never considered putting that data on Blu Ray disks. :-)
> The cheapest
> way to store data today is in the cloud. Google buys hard drives for a lot
> less than you or
> I can buy them, and then lets you use them for free.
> I don't even use Blu Ray for watching videos.
> I have a media server, and my data is stored on a few hard drives around the
> house,
> and in the cloud. If I want to loan someone a video, several fit nicely on a
> thumb drive.
> When you have more data than you have time to process it, the time to find
> the data
> and access it is important. It is easy to store more video than you can ever
> find the
> time to watch. But if you want to watch a video, searching for the file on a
> hard drive
> is a lot easier than trying to find it in a pile of Blu Ray boxes. Did you
> file it under
> science fiction, adventure, or horror? A search doesn't care -- it can be
> all three.
> If you made the video yourself, posting the 1080p to YouTube means you can
> pull
> it up on your phone at a restaurant, and it doesn't take a wall of shelves
> to store it.
> And sending the URL to your friends is fast and simple. Burning a new Blu
> Ray disk
> costs you time and money, and you can't do it on your phone.
> -----
> Get a free science project every week! "http://scitoys.com/newsletter.html"
>
>
>
>
> On Thu, Dec 1, 2011 at 3:23 PM, Thomas Stowe <stowe.thomas@gmail.com> wrote:
>>
>> On 12/1/2011 4:53 PM, leaking pen wrote:
>> > simon, to burn movies to play in portable players? only thing I've
>> > used blank dvds for for a while.
>> >
>> > That said, I think is is rather creative spam.
>> >
>> > On Thu, Dec 1, 2011 at 3:45 PM, Simon Quellen Field <sfield@scitoys.com>
>> > wrote:
>> >> With 32 gigabyte flash cards going for $36, why would anyone bother
>> >> with disks anymore? Why use a slow, huge, one-time-use thing that can
>> >> only hold single-digit gigabytes when the 32 gb microSDHC card in my
>> >> phone
>> >> is smaller than my baby fingernail, re-writable, and I don't need a
>> >> huge
>> >> disk
>> >> reader? In a pinch, I can even read the data on the phone itself.
>> >>
>> >> For a little less money, you can get a 32 gb thumb drive that fits
>> >> easily in
>> >> your
>> >> pocket, plugs into any USB port, and is much faster. And you can use it
>> >> more
>> >> than 50 times, unlike the big old-fashioned plastic disks.
>> >>
>> >> -----
>> >> Get a free science project every week!
>> >> "http://scitoys.com/newsletter.html"
>> >>
>> >>
>> >>
>> >>
>> >>
>> >> On Thu, Dec 1, 2011 at 2:22 PM, Cathal Garvey <cathalgarvey@gmail.com>
>> >> wrote:
>> >>> I gotta say, you're right. This isn't the place. :P
>> >>>
>> >>> On 01/12/11 21:48, Thomas Stowe wrote:
>> >>>> Vinpower Digital 25GB 4X BD-R 50 Packs Disc Model OQBDR04LT-50
>> >>>> Item #: N82E16817607054
>> >>>>
>> >>>> http://www.newegg.com/Product/Product.aspx?Item=N82E16817607054
>> >>>>
>> >>>> 30.99 + tax + free UPS 3 day shipping
>> >>>>
>> >>>> Vinpower Digital 25GB 4X BD-R 50 Packs Disc Model OQBDR04LT-50 :
>> >>>> 30.99 +
>> >>>> tax + free UPS 3 day shipping
>> >>>>
>> >>>>
>> >>>> The information transmitted in this communication is intended only
>> >>>> for
>> >>>> the
>> >>>> person or entity to which it is addressed and may contain
>> >>>> confidential
>> >>>> and/or privileged information. Any review, retransmission,
>> >>>> dissemination,
>> >>>> copying or other use of, or taking of any action in reliance upon,
>> >>>> this
>> >>>> information, or any part thereof, by persons or entities other than
>> >>>> the
>> >>>> intended recipient, is strictly prohibited and may be unlawful. If
>> >>>> you
>> >>>> received this in error, please contact the sender immediately and
>> >>>> delete
>> >>>> and please destroy this communication and all copies thereof,
>> >>>> including
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>> >>>> attachments.
>> >>>>
>> >>>> Thomas C. Stowe
>> >>>> Email/GChat/MS Live Messenger: stowe.thomas@gmail.com
>> >>>> Texas Computer Services: http://www.txpcservices.com
>> >>>> Portfolio/VCard/Resume: http://www.thomasstowe.info
>> >>>> Blog: http://www.sc3ne.com
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>> >>>> Phone/SMS/VoiceMail: +1-210-704-7289
>> >>>> Skype: thomasstowe
>> >>>>
>> >>>
>> >>> --
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>> A) It's not spam, it's me being friendly to geeks.
>>
>> B) Who would use disks? An amazing amount of people who love their data.
>> Who's an idiot who uses only hard disks? Do you have kids and a wife? Do
>> you even care about your data? If you depend on an online backup, you're
>> getting ripped off. Yes, hard drives can be nearly the same price as
>> blurays, however this promotion I found on SlickDeals that linked me to
>> NewEgg earlier makes it more cost effective. We're talking about
>> 1,250GB, that's 1.25 TB! for $31 + tax! That's Chump Change! You're nuts
>> to talk badly about a deal like that. Is that your first computer? Do
>> you even know what today's optical media is capable of? Not only is it
>> about as much weight as hard disk media, pound for pound but it's not
>> impact sensitive and has a "warranty" longer than any hard drive you've
>> bought or will likely buy in the near future.
>>
>> It won't last a century, but it'll probably last 2x-3x as long as any
>> hard drive you have. That said, if you want anything to actually be
>> around in the future, use optical media. You can drop it, bury it, keep
>> it in a storage unit or safety deposit box and never need to worry about
>> any of the things you do with hard drive media. Like, impact
>> sensitivity, "accidents", acts of god wiping our your drives. Please,
>> tell us the reasons using disks is inferior to a 32GB flash drive again?
>> Many people, especially scientists, have much, much much more valuable
>> data than you could possibly fit on a flash drive. Good luck with that,
>> until someone steals it, your car or whatever you keep it in if that's
>> your idea of backup. How about something that can store all of
>> Arxiv.org, mirrors of your favorite websites and probably your entire
>> video and document collection to boot? What's really cool, if you have
>> no budget, you could backup the entire archive.org text collection (.5
>> petabytes) for around $13,000.
>>
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yeah but you can only do all that if you have connectivity. BD-Rs are
cheaper than flash drives, but sure they require more than a USB port
(a blu-ray reader). Data in the cloud will only last as long as that
part of the cloud exists, so if you really care about your data you
will have a hard backup.
That said $31 is not a great deal for 1.25TB, even though the flooding
in Thailand has hit the hard drive industry pretty hard, you can still
find a portable 2TB drive for ~$120 on newegg
For that price I would take the HDD's USB 3.0 speeds over the Blu-ray any day:
http://www.blu-ray.com/faq/#bluray_speed - 12X is at the limit of
max rotation speed, or 400Mbps
http://en.wikipedia.org/wiki/USB#USB_3.0 - 640MBps or 5120Mbps or
12.8 times faster (actual max speeds for hard drives is around 100MBps
over USB 3.0)
--
Nathan McCorkle
Rochester Institute of Technology
College of Science, Biotechnology/Bioinformatics
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