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journaling file system
(redirected from Journalled file system)

   Also found in: Wikipedia 0.04 sec.

journaling file system

A file system that contains its own recovery capability in the event of a failure. Before the disk indexes are updated, the information about the changes is recorded in a separate log (the journal). If a power or other system failure corrupts the indexes as they are being rewritten, the operating system can use the log to repair them when the computer is restarted.



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4 kernel and the ReiserFS journalled file system, and seamless recovery from network interface failure.
4 on SPARC can benefit from new features such as a journalled file system for enhanced availability and transparent overlays for faster graphics performance.
 
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