[linux-lvm] I/O error: dev 08:11, sector 0

Heinz J. Mauelshagen Mauelshagen at sistina.com
Mon Jul 23 08:02:03 UTC 2001


On Sat, Jul 21, 2001 at 01:44:19PM -0400, Allan M. Wind wrote:
> On 2001-07-20 21:13:56, Allan M. Wind wrote:
> 
> > > When does lvm create /dev/sdb1 (I only used /dev/sdb)?
> > 
> > Still curios about this one as I did not create it and cfdisk does not
> > seem to recognize the partition (just reports free space).  How is
> > this partition locatated in relation to the disc device?  I get the
> > above error if dd if=sdb1 but I would think the sector would be
> > reachable via the the disc device also... perhaps there is something
> > wrong with the device partition?
> > 
> > Does lvm use the first sector?  If not, could it just be bad data that
> > is somehow read and therefor complained about and could be wiped?
> > Should I create a partition and feed that to pvcreate instead of
> > giving it the raw disk?
> 
> Used `pvcreate /dev/sdb1` (instead of /dev/sdb) and everything works
> as expected.  I suspect there is a bug with the combination of linux
> 2.4.6 (devfsd) and lvm 0.9.1beta7 causing a non-functional partition
> to be created when you use the raw disk partition.

Are you able to reporduce this?

> 
> 
> /Allan
> -- 
> Allan M. Wind			email: allanwind at mediaone.net
> P.O. Box 2022			finger: awind at digit-safe.dyndns.org (GPG/PGP)
> Woburn, MA 01888-0022
> USA



-- 

Regards,
Heinz    -- The LVM Guy --

*** Software bugs are stupid.
    Nevertheless it needs not so stupid people to solve them ***

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Heinz Mauelshagen                                 Sistina Software Inc.
Senior Consultant/Developer                       Am Sonnenhang 11
                                                  56242 Marienrachdorf
                                                  Germany
Mauelshagen at Sistina.com                           +49 2626 141200
                                                       FAX 924446
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