Problems with the ext4 file system
A bug discovered in the development version of the next Ubuntu has shown that some applications may have compatibility issues with ext4 filesystem.
The problem occurs in the writing system disk configuration files of applications. In ext3 journaling mode and the option "data = ordered" these files are written to disk every 5 seconds so that any changes made in the configuration files in the practice are written to disk without problems.
Summary of Features of IBM labor ext4
The ext4 filesystem promises is nothing new. In fact running on the network several benchmarks where it seems to be clear superiority over ext3 and even other known systems (xfs, jfs and reiser). IBM labor where we bring you this document, without going into too complex explanations, we can find interesting information, as well as differences with the system it replaces.
You can find the article here: http://www.ibm.com/developerworks/linux/library/l-anatomy-ext4/index.html?ca=drs-
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