[CentOS] LVM Input/output error

On Sat, Jul 08, 2006 at 02:35:51PM -0400, William L. Maltby enlightened us:
> > On Sat, 2006-07-08 at 21:01 +0300, Itay wrote:
> > > On Sat, 2006-07-08 at 19:48 +0300, Itay wrote:
> > > >
> > > > From: William L. Maltby <BillsCentOS at triad.rr.com>
> > > ><snip>
> 
> > Us n00bs have to stick together here!  :-)
> 
> And being n00bs, we are permitted to expound at length with guesses
> about what might be going on, giving the wizened cranky old pros someone
> to pick on and soothe their savage egos!  ;-)  I've not read any devel
> docs yet, so there may be a lot more going on.
> 
> From rom my reading, I think the device mapper (?) needs to see a partition
> 86 to know to look inside the partition for the meta-data (placed there
> by pvcreate/lvcreate?) that is used to generate the devices. My *guess*
> is if no type 86 is found it means no pvdata is garnered and
> no /dev/mapper/VolGroup* and no /dev/VolGroup* symlinks are made (or
> wrong ones are made or left over from elsewhere?).
>

Type 86 is "NTFS volume set". I think you mean 8e which is "Linux LVM".

Matt

-- 
Matt Hyclak
Department of Mathematics 
Department of Social Work
Ohio University
(740) 593-1263