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RHEL7 XFS Is A Step Backwards Forensically

Red Hat changed the default filesystem in Red Hat Enterprise Linux 7 (RHEL 7) to XFS. In RHEL 6, the default filesystem was EXT4. The rational for this change, according Denise Dumas, Director of Software Engineering for Red Hat was because “it is a better match for our enterprise customers”. I agree with this position, which incidentally is the position SUSE have maintained for a long time, except that forensically it is somewhat of a step backwards. You can examine a XFS file’s metadata using xfs_db but it is much easier to use the xfs_io utility. Just like xfs_db, xfs_io

Native ZFS support on GNU/Linux

This post discusses native ZFS support on GNU/Linux and shows you how to download and install the necessary packages.