These kernels have support for the XFS file system from SGI. See README.xfs.* for a list of kernel versions available These are the user land utilities for XFS. acl-2.2.23-1.x86_64.rpm attr-2.4.16-1.x86_64.rpm dmapi-2.2.0-1.x86_64.rpm dmapi-devel-2.2.0-1.x86_64.rpm libacl-2.2.23-1.x86_64.rpm libacl-devel-2.2.23-1.x86_64.rpm libattr-2.4.16-1.x86_64.rpm libattr-devel-2.4.16-1.x86_64.rpm xfsdump-2.2.21-1.x86_64.rpm xfsprogs-2.6.13-1.x86_64.rpm xfsprogs-devel-2.6.13-1.x86_64.rpm These were provided by CERN. If you have any issues or questions send mail to scientific-linux-devel@fnal.gov