Bruce Black wrote:
3580 does exist.
However it is non-mainframe device.
How about that! However, I see that the 3580 appears to use
industry-standard LTO tapes. It would be curious that their partner
would specify "3580 tapes" instead of "LTO tapes" if they really use
3580 drives.
In this case I cannot really settle what answer is proper. It can be a
typo, it can be model number just read by someone from device enclosure.
In fact none of the mentioned options, including 3590 is accurate.
3480 can be recorded in 3480 or 3480X, or 3490, or 3490E drive.
Three densities available:
18trk uncompressed: 3480)
18trk, compressed: 3480X,3490 (compression can be switched off).
36trk, compressed (or not) - only 3490E.
Again the tape can be read by uplevel device, when recorded by downlevel
one.
IMHO the only accurate format description is to provide cartridge type,
and drive model (full, i.e. 3590B), otherwise it is unprecise.
Regarding LTO: there are 3 generations of LTO in use, fourth is coming
out now. I heard about troubles when trying to read LTO1 cart in LTO3
device. It should be feasible, but microcode levels, etc.
Regards
--
Radoslaw Skorupka
Lodz, Poland
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