On 17/01/2011, at 5:59 AM, Steve Randall wrote: > On Sun, 16 Jan 2011 11:00:01 -0700 (MST) > Warren Block <wbl...@wonkity.com> wrote: > >> On Sat, 15 Jan 2011, per...@pluto.rain.com wrote: >> >>> Jerahmy Pocott <quaken...@optusnet.com.au> wrote: >>> >>>> I have a USB Drive that was working fine under 7.3, but since >>>> updating to 8.1 no longer has the correct /dev entries. Under >>>> 7.3 it was da0s1, in 8.1 there is now only da0 and da0a, which >>>> shouldn't exist... >> >> da0s1 is MBR, da0a is "dangerously dedicated". I would not expect >> differences between 7 and 8 USB to show that on an existing drive. If >> the drive was reworked during the 7-to-8 upgrade--maybe with "bsdlabel >> auto"--that would be a more likely explanation. > > The actual explanation is the new geom partitioners introduced in 8.0. > > The disk has an MBR in block 0 and a forgotten BSD label (dangerously > dedicated) in block 1. 8.x sensibly ignores one of them; unfortunately > it ignores the MBR, not the unwanted BSD label. > > The solution is: > > # dd if=/dev/zero of=/dev/da0 seek=1 count=1
Thank you, this does indeed correct the issue. _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"
