On Fri, Dec 09, 2016 at 07:35:24PM -0800, John L. Poole wrote: > zeta jlpoole # pvcreate /dev/sda5 > WARNING: vfat signature detected on /dev/sda5 at offset 54. Wipe it? > [y/n]: n > Aborted wiping of vfat. > 1 existing signature left on the device. > Aborting pvcreate on /dev/sda5. > zeta jlpoole # If you want to confirm what's present on a device, use the blkid or file commands: # blkid /dev/sda1 /dev/sda1: UUID="49f9b992-3c68-4b59-a232-e1a3a4482eed" TYPE="ext4" PARTUUID="000298d0-01" # file -s /dev/sda1 /dev/sda1: Linux rev 1.0 ext4 filesystem data, UUID=49f9b992-3c68-4b59-a232-e1a3a4482eed (needs journal recovery) (extents) (large files) (huge files) You can also use the wipefs program to manually remove any signature, and optionally back it up to a file so that it can be restored (it will also report label offsets as with pvcreate). Both blkid and wipefs are from util-linux. The file program comes from the 'file' package on most distros. Regards, Bryn. _______________________________________________ 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/