This is parted-3.1-9.fc18.x86_64
On Dec 10, 2012, at 12:59 PM, Chris Murphy <li...@colorremedies.com> wrote: > What is, and why does parted insert ~80 bytes of code to the MBR boot loader > region of a disk when that region contains zeros? > Example: > > [root@localhost liveuser]# dd if=/dev/sda count=1 2>/dev/null | hexdump -C > 00000000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| > * > 00000200 > > ## LBA 0 is all zeros. > > > [root@localhost liveuser]# parted /dev/sda mklabel msdos > Information: You may need to update /etc/fstab. > > [root@localhost liveuser]# dd if=/dev/sda count=1 2>/dev/null | hexdump -C > 00000000 fa b8 00 10 8e d0 bc 00 b0 b8 00 00 8e d8 8e c0 |................| > 00000010 fb be 00 7c bf 00 06 b9 00 02 f3 a4 ea 21 06 00 |...|.........!..| > 00000020 00 be be 07 38 04 75 0b 83 c6 10 81 fe fe 07 75 |....8.u........u| > 00000030 f3 eb 16 b4 02 b0 01 bb 00 7c b2 80 8a 74 01 8b |.........|...t..| > 00000040 4c 02 cd 13 ea 00 7c 00 00 eb fe 00 00 00 00 00 |L.....|.........| > 00000050 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| > * > 000001b0 00 00 00 00 00 00 00 00 64 0b 00 00 00 00 00 00 |........d.......| > 000001c0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| > * > 000001f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa |..............U.| > 00000200 > [root@localhost liveuser]# > > > ## LBA 0 now contains code were there was previously none. The problem with > it I'm encountering with a single BIOS so far (Virtual Box) is that this disk > is no longer skipped at boot time, the BIOS tries to boot from it and hangs. > > > Chris Murphy >
