On Wed, Sep 29, 2010 at 02:55:59PM +0100, Richard W.M. Jones wrote: > On Wed, Sep 29, 2010 at 11:11:48AM +0200, Karel Zak wrote: > > On Sun, Sep 26, 2010 at 05:42:21PM +0100, Richard W.M. Jones wrote: > > > In any case I'll probably write a small utility which just zaps the > > > partition table without touching the rest of the bootloader. > > > > Maybe we can add this functionality to wipefs(8), libblkid is already > > able to detect and parse almost all partition table formats. > > Coincidentally I tried using wipefs within libguestfs (but not > successfully yet). It really only wipes filesystems, which I guess > should be obvious from the name. I think it should be extended to > wipe other stuff to: LVM, partition tables, RAID metadata being three > obvious ones. The latest version (F-14) also supports RAIDs and LVM. Karel $ wipefs /home/images/filesystems/mdraid.img offset type ---------------------------------------------------------------- 0x9f0000 linux_raid_member [raid] UUID: 37c76b91-011a-05c5-d30c-1fd4c5c3dbbc $ wipefs /home/images/filesystems/lvm2.img offset type ---------------------------------------------------------------- 0x218 LVM2_member [raid] UUID: Vynv4k-APH8-xQER-HSBb-8VJ3-SvFF-PB5O1U