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Old 26th October 2010
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jggimi jggimi is offline
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Join Date: May 2008
Location: USA
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You are backing up a system with open files and running processes. Guaranteed 100% filesystem integrity can only be assured by backing up a static system from single user mode.

If your mail server uses a database, you can back up modern DBMSes with full integrity while they are operational using the DBMS tools.
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