geom_vinum problems (crashes and lockups)
stijn at win.tue.nl
Sat Jun 26 13:03:46 GMT 2004
On Sat, Jun 26, 2004 at 02:07:03PM +0200, Lukas Ertl wrote:
> On Thu, 24 Jun 2004, Daryl Chance wrote:
> > for /dev/ad4s1:
> > mp3# bsdlabel /dev/ad4s1
> > # /dev/ad4s1:
> > 8 partitions:
> > # size offset fstype [fsize bsize bps/cpg]
> > c: 60074784 0 unused 0 0
> > d: 60074784 0 4.2BSD 2048 16384 28512
> This is a situation that I currently consider 'unsupported'. The problem
> is that the 'd' partition has no offset, thus it is (from the point of
> view of a geom_vinum drive geom) the same as the 'c' partition. This is
> the first problem.
> I'm not sure if I find a proper hack for this, so, for now, this is an
> unsupported configuration. This means that the partition where you want
> to put a vinum drive on _must not_ start at the beginning of a drive and
> has to have an offset, i.e. 16 sectors, as a standard label from 'bsdlabel
> -w' has.
Hum, is/was this documented somewhere? I just set up two RAID-5's on
-STABLE, and I have done this every time I did a RAID setup with vinum.
I'd hate it if I'd have to migrate 300GB of data because I didn't reserve
16 sectors at the start of a disk :(
If today is the first day of the rest of your life, what the hell was
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