Quote:
Originally Posted by DNSB
So you are saying that OneDrive and calibre are accessing the metadata.db database at the same time and that is not simultaneous access? Simultaneous access does not need to be done from a different machines when multiple processes on your local machine can screw the pooch without needing outside help.
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No of course they never access the file at the same time, You guys seriously dont understand how OneDrive works.
When Calibre opens a file and it's a onedrive file, the OS passes the open to OneDrive which either passes the local cache copy of the file, or downloads the file, and the the OS passes the file handle to calibre. From that point on, it's a single use local file.
When Calibre closes the file, then the o/s hands it back to to OneDrive which syncs it back to the cloud.
OneDrive is never accessing any file at the same time as calibre, or using network drives, or anything like that.
Pretty much the worst that can happen is when you close your device before OneDrive finishes uploading. Then the cloud copies of some files can be "stale". So if you say start an edit of a book on on PC, save it but shut the PC straight down, then start later editing the same book on a different PC, you are starting from before you did the first edit. In 15 years, I did that maybe half a dozen times.