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Old 11-29-2014, 02:49 PM   #1
Geremia
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What causes metadata.db to go corrupt?

metadata.db has gone corrupt about 3× now during my years of using Calibre. What causes this?
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Old 11-29-2014, 03:49 PM   #2
theducks
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Some Possibilities:

Rogue (misbehaving) antivirus. IMHO always make it ASK to clean
Failing internal Hard drive
Faulty (Mains) Power. A UPS is advised
The USER messing with names in the Library folder

External storage issues:
Removing the drive BEFORE the 'Safe' message
Failing External drive (flash drives have higher fail rates)
Poor USB cable/connectors,
Marginal (USB self) powered drive Models
USB Hub congestion.
Using A Networked Drive
Allowing a Cloud drive to Sync TO the Active Library . Always pause Sync
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Old 11-29-2014, 04:00 PM   #3
JSWolf
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Trying to access the same library from multiple computers at the same time
Cloud storage software access the database at the same time as Calibre
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