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Journaling is the recording of the file system with all changes in a log

file. The entries are made before the file system is changed, which means that the consistency of

a file system can be restored after a system crash by reading out the log file. There are file systems that work without journaling and for which the recovery procedure takes a corresponding amount of time. Journaling ensures the consistency of the file system even in the event of a system crash. In the case of distributed file systems, journaling is only used for the Global FileSystem (GFS), a license-free cluster file system.

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Englisch: journaling
Updated at: 04.05.2018
#Words: 30