Hi there,
Just wanne point out that even if you do have your data on tape you need to be
able to restore it with possibly the drive you did write it and of course
compatible software.
Hardware maintenance cost would be a killer and might force you to migrate data
to new media in 10 years from now anyway when capacity is larger again...
I'm not sure if you can count on lto being able to read lto media 25 years old.
Cheers,
Stefan
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Stefan Reichle
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----- Originalnachricht -----
Von: "Huebschman, George J." [GJHuebschman AT LMUS.LEGGMASON DOT COM]
Gesendet: 05.05.2009 16:25 AST
An: ADSM-L AT VM.MARIST DOT EDU
Betreff: Re: [ADSM-L] LTO for long term archiving
Does anyone have 25 year old tape media or tape drives around?
Will you stil be able to use LTOx media in 25 years?
-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of
Thomas Denier
Sent: Tuesday, May 05, 2009 4:11 PM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: [ADSM-L] LTO for long term archiving
I work for a large hospital. I have been asked to investigate possible
configurations for archiving something between a few hundred terabytes
and a petabyte of data for 25 years. This would be clinical records that
we need to keep in case of a malpractice suit. The retention period is
25 years because there are two ways we can get sued for alleged
malpractice involving a pediatric patient. The parents or guardians have
a seven year window of opportunity to file suit, starting at the time of
the alleged malpractice. The patient has a seven year window of
opportunity, starting at his or her 18th birthday. In principle, the
retention period should vary depending on patient age, but nobody I have
talked to so far thinks it is practical to sort records in this way;
they want a uniform retention period that covers the worst case scenario
(a patient allegedly harmed as a newborn suing just before the end of
his or her seven year window).
As far as I can tell, the most expensive part of such a configuration is
the media, and LTO media will cost about a third as much as the most
economical MagStar media (extended length 3592 volumes read and written
with TS1130 drives). With the sort of workload described above I don't
expect any difficulty staying within the recommended limit on the number
of times an LTO volume passes over the tape heads. Are there any other
reasons to be nervous about using LTO for long term archives?
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