Thread: Please, please help!!!!! Calibre/PC/Dropbox/Android Issues
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Old 02-18-2022, 09:05 PM   #4
theducks
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Join Date: Aug 2009
Location: The Central Coast of California
Device: Kobo Libra2,Kobo Aura2v1, K4NT(Fixed: New Bat.), Galaxy Tab A
Mirror (mode) is simply a dynamic Shadow (one way only) copy (a near instant backup)
(FWIW a simple RAID mirror is just a second disk that is an exact copy. If one fails, the other is usable and can become the master of a NEW copy (rebuild in background) My NAS has 4 drives.Any 1 can fail and I am still good. At any time, I can put in a blank and after a few hours it is fully ready. A RAID array is faster than a Single (add/or with mirror))
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