Rajagopal Swaminathan wrote: > Greetings, > > I have a 500Gig hdd with and XFS filesystem created by openfiler (which > strangely switched from lovely CentOS for reasons best known to them). I fired > up a Centos box with this hdd. I then did > > yum install kmod-xfs.i686 xfsdump.i386 dmapi xfsprogs > > and it wnt through. > > But when I try to mount this volume > > mount -t xfs /dev/hdd1 /mnt/test > > I get the error: > > mount: /dev/hdd1 already mounted or /mnt/test busy > > I then try > > xfs_admin -l /dev/hdd1 > > The results being: > > xfs_admin: unexpected XFS SB magic number 0x00000000 > xfs_admin: read failed: Invalid argument > xfs_admin: data size check failed > cache_node_purge: refcount was 1, not zero (node=0xa058670) > xfs_admin: cannot read root inode (22) > label = "(null)" > > > Sure I'm missing something very basic here... > > Can somebody point my mistake? and some clues to solve this problem... Are you sure it has an XFS file system on it? What does the following report: file -s /dev/hdd1 And what happens when you just do: mount /dev/hdd1 /mnt/test The output of xfs_admin looks like the output you get if the file system is ext2/ext3 ... James Pearson