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Use xfs_fsr to Keep Your XFS Filesystem Optimal

Jul 18, 2008, 20:15 (1 Talkback[s])
(Other stories by Ben Martin)

"You can use the xfs_bmap utility to see the extent map for a file that is stored on an XFS filesystem. If you execute it with the -v verbose mode you can see the mapping of file offsets to blocks in the filesystem. In the case of the file shown below, I was unlucky; the filesystem split the 300MB tarball file over two extents."

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