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Open File Backup
Message
From
23/01/2008 01:31:19
 
 
To
23/01/2008 00:20:24
General information
Forum:
Visual FoxPro
Category:
Other
Miscellaneous
Thread ID:
01284352
Message ID:
01284355
Views:
23
>Hi
>
>I never really understood open file backup. If a file is open and in use by an application(s) and you do an open file backup, what are you getting? Surely this must result in a file that is not necessarily complete and/or in harmony with associated indexes or even possily corrupted.
>
>How does open file backup work?

I haven't totally wrapped my mind around all the details, either, but I believe an example of the techniques involved is the MS Volume Shadow Copy Service:

http://en.wikipedia.org/wiki/Volume_shadow_copy
http://technet2.microsoft.com/WindowsServer/en/Library/2b0d2457-b7d8-42c3-b6c9-59c145b7765f1033.mspx?mfr=true
Regards. Al

"Violence is the last refuge of the incompetent." -- Isaac Asimov
"Never let your sense of morals prevent you from doing what is right." -- Isaac Asimov

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Every app wants to be a database app when it grows up
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