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Re: [ARSCLIST] Longevity of data tape?--
I also would never trust DATA backup for longer than 5 years.
The past two places I worked I found this out the hard way.
Trying to restore 5 and 8 years old data respectively yielded horrible
We then implemented a policy to have all Data tapes checked and re
backed up to new AIT tapes with the understanding that those tapes
would then be checked in 5 years time.
On Jun 9, 2005, at 3:47 PM, John Spencer wrote:
This is an incorrect statement. There are various backup
applications that will skip a bad block of data and continue the
restore process, as well as applications that will report on the
quality of the data archive as it is being written. Error correction
is not a function of the data storage tape itself.
And I would never trust a data storage tape to be readable 25-30
years from now.
On Jun 9, 2005, at 2:36 PM, Jeffrey Kane wrote:
I've seen the figure 25-30 years bandied about for data tape. Data
are a double edge sword. They have better error correction so the
more resilient. However, if there's an unrecoverable error it
data for that particular file (and if it's in the directory area,
on the tape) unrecoverable. With digital audio tape the error only
that portion of the recording.