From: Niall O Broin (nobroin at domain sced.esoc.esa.de)
Date: Thu 27 May 1999 - 19:27:32 IST
Peter Flynn said
> I have a new Dell OptiPlex with a Travan tape drive which takes
> 8Gb tapes (one tape supplied, how nice of them :-)
Wait until you go to buy some more tapes and see how much they cost.
Then you'll know why they only gave you one :-)
To get gigabytes onto a tape, you need to have tight tolerances somewhere.
Do it on the drive, and the drive is relatively expensive (DAT, Exabyte) but
the mdeia is relatively cheap. Make the drive cheap and you need tight
tolerances on the cartridges, so you get expensive media. I remember seeing
calculations somewhere for Travan or somesuch against DAT assuming the purchase
of a reasonable amount of media - perhaps 20 units or so to have one per day,
one per week (of the month) and one for every month for archiving - there was
practically no difference in cost.
Niall O Broin
UNIX Network Administrator nobroin at domain esoc.esa.de
Ground Systems Engineering Department Ph./Fax +49 6151 90 3619/2179
European Space Operations Centre, Darmstadt, Germany
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