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sam
Guest
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 Posted:
Sun Jan 09, 2005 11:09 pm Post subject:
DIFFERENT MAGNETIC MEDIA IN DATA ARCHAVING ? |
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I have to keep large archives, I ‘m preoccupied by detoriation with time.
What are the different magnetic media existing in data'archiving?
ThanK You. |
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Al Dykes
Guest
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| Posted:
Sun Jan 09, 2005 11:27 pm Post subject:
Re: DIFFERENT MAGNETIC MEDIA IN DATA ARCHAVING ? |
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In article <a3a52a86.0501091009.4a678498@posting.google.com>,
sam <samdjemel@yahoo.fr> wrote:
| Quote: | I have to keep large archives, I ‘m preoccupied by detoriation with time.
What are the different magnetic media existing in data'archiving?
ThanK You.
|
Nothing lasts for ever and sh*t happens. The best defense
is to copy to new media every few years, make several copies,
and keep all prior generations of media.
The good news is that, over time, you'll need fewer and fewer
disks to store your archives.
The NIST (National Instute of Standards, your tax money at work) has a
nice publication about how to store DVDs and CDs.
http://www.itl.nist.gov/div895/carefordisc/
I know you asked about magnetic media, but you might find optical storage
interesting, someday.
--
a d y k e s @ p a n i x . c o m
Don't blame me. I voted for Gore. |
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Rob Turk
Guest
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| Posted:
Mon Jan 10, 2005 12:59 am Post subject:
Re: Archiving - Plan for migration |
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"sam" <samdjemel@yahoo.fr> wrote in message
news:a3a52a86.0501091009.4a678498@posting.google.com...
| Quote: | I have to keep large archives, I 'm preoccupied by detoriation with time.
What are the different magnetic media existing in data'archiving?
ThanK You.
|
Your worry shouldn't be with the media, it usually outlasts the technology
it was written on. Twenty years from now your media will be just fine when
properly cared for, but finding a working drive that still reads them will
be a challenge. Especially these days where everything seems to be designed
to last the warranty time plus 1 month... Add to that having to re-create
the software environment that the tapes were once written in. Will your
32-bit software still run on 1024-bit
extra-stellar-lightspeed-beam-me-up-scotty CPU's in 2025? Or do you keep a
number of old clunker P4-3800's around just in case..
Until a reliable, everlasting, always backward compatible technology gets
invented, just take whatever is reliable and commodity today and plan for
migration every 5-10 years or so. LTO would probably be a decent start.
Rob |
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