On Mon, Jun 26, 2000 at 02:23:52PM +0100, Niall O Broin wrote:
> Where did I call DLT cheap ?
Did I say you did? ;-)
Reading over your post, you didn't say this; However...
> there's no real difference in cost
> between a cheap tape drive e.g. Travan and an expensive tape drive e.g. DLT,
> because the tape cartridges for a cheap tape drive are relatively very
> expensive, so the cost of tape drive + enough cartridges is about the same
> for either option).
...in which you seem to be saying that the cartridges for a cheap drive
are relatively expensive compared to the cartridges for an expensive
drive. (DLT, I assumed). Which would imply that the cartridges for an
expensive drive (ie. DLT cartridges) are relatively cheap compared to
the cartridges for a cheap drive. Which is just a stone's throw away
from calling DLT cheap. A bit tenuous, perhaps...
Anyway, *are* DLT cartridges cheaper per megabyte than cartridges for
(say) travans...? (clickety click) Wow! They are. Best part of twenty
quid for a 4GB/8GB travan cartridge. That'd be two hundred quid for
40GB/80GB, which compares badly to the sixty-odd quid a 35/70GB or
a 40/80GB compatible DLT tape costs. (IV? V?)
> Ahh - they're a fiddle. Although they use a SCSI connection, they're not
> true SCSI tape drives i.e. they don't support the SCSI tape streamer command
> set. Effectively they're generic SCSI devices which need special software to
> drive them, so you can't tar or cpio to them. Last I checked they were
Aiee! That's awful. :-(
> Ah, but the problem is that at point B is situated an operator, who will
> have very precise instructions as to how to put the tape cartridge into the
> tape drive, and unloading of data will be done remotely. Even expensive tape
> cartridges are cheaper than laptops.
Sorry, I was stuck in the "I've lots of data I want to take home" mentality.
All the best,
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