On Sunday October 15, [email protected] wrote:
> On Fri, Oct 13, 2006 at 09:50:49AM +1000, you [Neil Brown] wrote:
> >
> > Hi,
> > I was looking into an issue that someone was having with raid5.
> > They made an md/raid5 out of 5 whole devices and by luck the data
> > that was written to the first block of the 5th device looked
> > slightly like a partition table. fdisk output below for the curious.
> > However some partitions were beyond the end of the device.
>
> That reminds me of an old long-standing mystery I had with a machine that
> had a RAID-5 of three whole devices.
>
> I wonder if there's ever a change the kernel partition detection code could
> _write_ on the disk, even when there's really no partition table?
No, kernel partition detection never writes.
I can't imagine what could have been causing your very-interesting
corruption. However as it was only demonstrated on old code and
cannot be explored further, I suspect we just have to forget it and
move one :-(
NeilBrown
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