Hi,
Until recently, ~1 TB of data was stored on all our LTO4 tapes.
I recently changed 2 things:
- I created a Global Secondary Copy Policy
- I enabled software encryption for the (secondary) backups to tape (Re-encrypt, BlowFish, Key length 128, No Access)
Now, only ~750 GB of data is stored on all tapes before they are marked full. A decrease of 25%.
Is one of these two changes a known, proven and expectedcause for this decreased usage of the tapes?
Thanks!
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