On 06/08/18 14:08, Jérôme Blion wrote:
LTO-4 are supposed to store 800GB uncompressed. That's the only value
you can expect from the tape.
Depending on the data pieces you want to backup, you can have a ratio
lower than 2. If data pieces are already compressed you won't have a
good compression ratio.
Thank you Jérôme for the explanation.
My understanding is a tape can fill up at any point above 800GB.
It sounds like I was quite lucky squeezing almost 1.4TB into it in the past!
It would still be useful to have e.g. a daily cron job examining the
tape and determining how much raw uncompressed space it has left.
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