Knowledgebase: Tips and tricks
Differences in size and file count after Synchronizing
Posted by Sven Koester, Last modified by Sven Koester on 17 April 2012 12:11
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Often we are asked why after a synchronization the sizes and file counts differ on the two folders, namely on Unix systems. This article lists some reasons why that is the case. Differences in sums of sizes, e..g comparing disk space or file sizes The disk space consumed by a subtree can be read with the utility du, see man du. The disk usage of a subtree is usually bigger than its actual size and may differ because of the following reasons:
The file size, i.e. the size of the data in the file, should not differ on source and target. Care must be taken when summing up blindly: When counting on a filesystem with apple double formats, the size of the resource fork is included, otherwise it is not. Namely for afp file server volumes is is not helpful to attempt to sum up the file sizes for an overview. Differences in the number of files When comparing the number of files on source and target after a synchronize job is finished, the following effect may lead to different output
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