Archived posting to the Leica Users Group, 2012/08/22

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Subject: [Leica] Amazon's long-term storage
From: richard at richardmanphoto.com (Richard Man)
Date: Wed, 22 Aug 2012 12:32:36 -0700
References: <B35F26E1-1B26-45C3-9B64-017447B9EF0F@mac.com> <58F172C8-AE31-4DC6-A961-011D686B9370@aotera.org> <77435976-AED2-40D5-BE31-5BA072D0784E@mac.com>

It's almost for sure tape storage...

or they can laser etch them on a stone cave somewhere :-)


On Wed, Aug 22, 2012 at 12:16 PM, Adam Bridge <abridge at mac.com> wrote:

> You shouldn't really be surprised, Spencer. If data redundancy is built
> into the storage - lots of extra bits to allow for recoverable data - then
> you'd get the durability that Amazon quotes.
>
> You're guessing that they store on tape. That might be true but for
> long-term storage tape isn't an ideal candidate. However it's stored,
> Amazon says they have a technology, or a growth path for technology, that
> will keep your data alive and available for the indefinite future.
>
> Looks pretty attractive to me.
>
> Adam
>
> On Aug 21, 2012, at 6:12 PM, Spencer Cheng <spencer at aotera.org> wrote:
>
> > Sounds nice. Sounds a bit too good to be true. I would guess Amazon
> stores the data on tape on multiple sites.
> >
> > "Amazon Glacier is designed to provide average annual durability of
> 99.999999999% for an archive"
> >
> > I am surprised that that level of durability is possible on perishable
> media (and I don't really believe it :).
> >
> > One aspect of archival storage of digital data which is often overlooked
> is that digital data has to be regularly transcribed/converted to a current
> format for the archive to be useful.
> >
> > Regards,
> > Spencer
> >
> > On Aug 21, 2012, at 18:28, Adam Bridge <abridge at mac.com> wrote:
> >
> >> Amazon has announced "Glacier" as a long-term storage / infrequent
> retrieval service. It would seem perfect for those who wish to have a
> completely separate backup for their important image libraries.
> >>
> >> You can read about it here:
> >>
> >> <http://aws.amazon.com/glacier/>
> >>
> >> This is NOT for ready on-line storage. You might have to wait 5 hours
> to get your data. But it looks reasonably affordable.
> >>
> >> Adam Bridge
> >>
> >>
> >> _______________________________________________
> >> Leica Users Group.
> >> See http://leica-users.org/mailman/listinfo/lug for more information
> >>
> >
> >
> > _______________________________________________
> > Leica Users Group.
> > See http://leica-users.org/mailman/listinfo/lug for more information
>
>
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information
>



-- 
// richard <http://www.richardmanphoto.com>


In reply to: Message from abridge at mac.com (Adam Bridge) ([Leica] Amazon's long-term storage)
Message from spencer at aotera.org (Spencer Cheng) ([Leica] Amazon's long-term storage)
Message from abridge at mac.com (Adam Bridge) ([Leica] Amazon's long-term storage)