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Tape backup has been around for more
than 25 years, but still has a 50% failure
rate.
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More than 50% of employees back up their
data to a mis-configured tape backup system.
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More than 34% of employees do not test
their backups. Of the remaining employees
that do test, 77% find their tape backup has
failed to recover (Storage Magazine).
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Nearly 50% of tape-based backups (or
backup systems) fail to restore correctly (Gartner
Group) .
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Tapes wear out, but give you no visual
indication that they no longer work.
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Tape drives are expensive and difficult
to replace; new tapes cost $50 to $180 per
unit and should be rotated out of service
monthly.
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To be effective, tape backup needs to be
run daily, but it's easy to miss a day (or a
week).
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People forget to rotate the tapes, and
tapes are rarely taken and stored offsite.