Re: unknown partition table
Sven Lankes <email@example.com> writes:
> On Mon, Oct 28, 2002 at 01:14:22AM -0500, Ben Collins wrote:
> >>> Device Flag Start End Blocks Id System
> >>> /dev/sdb1 0 2733 2077080 fd Linux raid autodetect
> >>> /dev/sdb3 0 2733 2077080 5 Whole disk
> >> Change that to be:
> >> /dev/sdb1 1 2733 ??????? fd Linux raid autodetect
> >> /dev/sdb3 0 2733 2077080 5 Whole disk
> >> The partition table lies in the first sector.
> Ok - that helped. The raid arrays work now.
Glad to hear that.
> > And any self-respecting filesystem doesn't touch the first sector of the
> > partition for that very reason. Unless Linux raid autodetect partitions
> > are broken.
Actually, I've checked and I can confirm that LVM obliterates the
first sector when one pvcreates a volume. It probably stores a
signature (LVM UUID, etc...) there.