Quote:
Originally Posted by theducks
How was the drive formatted (the file system type)?
How did you do the copy (O/S or use Calibre)?
As long as the drive connection/power is reliable (cat proof  )
Speaking of Power. How is the drive powered (IMHO External is better than USB only.)
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- but if drive has no external power then at least use a double usb cable
In this instance I would copy the library from internal to external with OS. Then 'attach' it to calibre via Library->Switch/Create and 'drop' the old library via Library->Remove library.
If its really big then I would use a robust copy utility (eg Robocopy - Richcopy for a GUI).
And unless there was a very good reason not to, I would format the drive to the preferred file system of the OS - Windows NTFS, OSX HFS+, Linux Ext 3. Calibre will exploit the features of those file systems to do things faster, and thus more robustly (the sooner something is done the less chance there is of something going wrong - e.g. power fail)
BR