On Aug 29, 2013, at 9:04 PM, Eric Sandeen <sandeen at sandeen.net> wrote: > What does > > # blockdev --getiomin --getioopt mkfs.xfs /dev/mapper/vg1-data > > say? [root at f19s ~]# blockdev --getiomin --getioopt mkfs.xfs /dev/mapper/vg1-data blockdev: cannot open mkfs.xfs: No such file or directory Chris Murphy