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Re: [AV Media Matters] Digitizing Audio and Video-ReallyBigPost
I see making a backup of hard disk material onto another medium as
absolutely essential! I would never trust a hard disk array as the sole
method of storing archival material. Drives fail all the time (whether
from "head crashes" or something else) and require regular monitoring to
keep the data on the system intact.
I can't quite envision hard disks as the primary storage medium for
long-term preservation. Great for immediate access and manipulation,
but much too volatile to be considered "permanant" (much more so than
tape).
Maybe I misunderstand the suggestion, but I have heard various
archivists talking about this idea and it makes me nervous!
-- Eric Wenocur
Lab Tech Systems
Jim Wheeler wrote:
Miriam
With the incredible capacity of Hard Disk Drives and DataTapes, I see
no
reason for using compression for archival video. About 128 GB is
required
for one hour of uncompressed NTSC video.
LTO is now the most popular DataTape format. You can get information
about
LTO at two websites: www.ultium.com and www.ibm.com/storage/LTO
The three big manufacturers of HDDs have solved the head crash problem
so I
consider HDDs as a good archival medium. Western Digital, Seagate,
and
Maxtor are the three. I recommend the ATA interface.
www.seagate.com
www.maxtor.com
www.wdc.com
I always recommend making two copies of everything and storing one set
off-site. If you can afford to make one set LTO and the other set
HDD,
that
would be ideal.
For distribution, it is hard to beat DVD.
Jim Wheeler
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