[ale] [OT] Lifespan of Storage Devices

[Richard Bronosky]

Don't bother with the USB card. The USB format will outlive whatever bus
you choose.
On Jul 30, 2012 6:14 PM, "Erik Mathis" <erik at mathists.com> wrote:

> par2 is some really hot stuff. I've recovered entire movies using just
> one of twohundred rar files completely recovering from par2. Of course
> it can take the better part of a day to recover a high def movie.
>
> For offsite backups, I've used these cool little drives.
> http://www.newegg.com/Product/Product.aspx?Item=N82E16822161079
> I'd prolly also store a USB card with the drives (who knows if USB
> will be around in 10 years)
>
> In your case, I'd use one hdd for the real data and par2 files. Then
> also put par2 files on a DVD. If my life depended on it, I'd double up
> that effort.
>
> Storing of any media long term depends on of course environmental
> conditions. I'll let you google that tho I did fish this out of my
> bookmarks http://www.thexlab.com/faqs/opticalmedialongevity.html lots
> of good info on this subject.
> Those little moister absorbing packets should be included where ever
> you store them. Also capping off the USB connector might also be a
> good idea.
>
> You could always print it all out ;)
>
> Good Luck!
>
> -Erik-
>
> On Mon, Jul 30, 2012 at 2:49 PM, Phil Turmel <philip at turmel.org> wrote:
> > On 07/28/2012 02:18 PM, JD wrote:
> >
> > [trim /]
> >
> >> For really critical data, keep a local backup, a remote backup 3 states
> away and
> >> local optical backup with par2 files to watch for bitrot.  At the first
> sign of
> >> bitrot on any of the media, I assume they will all fail shortly and
> switch in
> >> new media. Reburning a fresh optical disk with new par2 files finishes
> out this
> >> safety net.  There are probably more copies of this critical data
> around, but I
> >> only maintain 3.  These are backups, not the hot-copy used daily. If I
> were
> >> backing up DVDs or Bluray media, the original media disks would never
> be touched
> >> by anyone after the backup copies were made the same day the new media
> arrived.
> >>
> >> The availability of par2 files has saved some important family photos
> and home
> >> movies about 5 times the last 10 yrs.  dd_rescue (or the other version)
> is not
> >> enough.
> >
> > Thank you!  I've been thinking about writing a Reed-Solomon file
> > reconstructor tool, not realizing it has already been done.
> >
> > "par2" is now added to my toolbox.
> >
> > Phil
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