i want to use LVM to manage my SATA disks attached on arm system and: pvcreate /dev/sda Physical volume "/dev/sda" successfully created vgcreate group1 /dev/sda No physical volume label read from /dev/sda /dev/sda not identified as an existing physical volume Unable to add physical volume '/dev/sda' to volume group 'group1'. what's wrong and why? _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/