[clug] LTO-4 drive, turn on compression?

Chris Smart mail at christophersmart.com
Tue Aug 11 17:11:28 MDT 2009

2009/8/11 Eyal Lebedinsky <eyal at eyal.emu.id.au>:
> ??? What 2:1? It does not exist, it is a made up number.

I confess that I've never used compression on tapes before, ever.

The tape says it is "800GB/1600GB compressed" so I am just going by
what the tape says, assuming it is the way data gets written to the
tape rather than an implementation of a particular algorithm.

> I will join the others who recommended you do the archiving/compression
> with software and use the tape for writing. I prefer file-level compression
> so I use afio.

Thanks, I am looking at this but as I have 1.5TB of data that's not
going to fit on a single tape no matter the compression type, I'll
need to span or break it up anyway. In which case I may as well not
bother with any compression at all.


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