Xfs is a highly scalable, highperformance, robust, and mature 64bit journaling file system that supports very large files and file systems on a single host. Xfs is the default file system for red hat enterprise linux 7. To create an xfs file system without this feature, use the following command. The number of files an xfs system can hold is limited only by the space available in the file system. Xfs filesystem is the default filesystem that comes with rhel 7, and is considered as highly scalable and high performance filesystem. Ideally xfs filesystem can only be increased in size and cant be reduced on redhat linux system. Red hat lets you setup xfs file systems while installing rhel 6 but red hat does not give you the tools to manage or maintain the xfs file systems unless you subscribe to their scalablefilesystem repository. Today we will see the trick how to reduce xfs filesystem on rhel or centos. Xfs supports metadata journaling, which facilitates quicker crash recovery. Xfs is a highperformance 64bit journaling file system created by sgi in 1993. The maximum supported xfs file system size in red hat enterprise linux 6. Note that direct access dax devices currently do not support xfs with shared copyonwrite data extents. Red hat advises against periodically defragmenting an entire file system, as this is normally not warranted. Other xfs file system utilities red hat enterprise.
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