Re: [gentoo-user] Can't extend an LVM2 volume

[John J. Foster]

On Tue, Jan 13, 2009 at 07:53:02PM +0100, Dirk Heinrichs wrote:
> Am Dienstag, 13. Januar 2009 19:31:33 schrieb John J. Foster:
> > In trying to extend a volume I get the following error:
> >
> > mockingbird ~ # lvextend -v -L400G /dev/vg00/data
> >     Finding volume group vg00
> >     Archiving volume group "vg00" metadata (seqno 22).
> >   Extending logical volume data to 400.00 GB
> >     Creating volume group backup "/etc/lvm/backup/vg00" (seqno 23).
> >     Found volume group "vg00"
> >     Found volume group "vg00"
> >     Loading vg00-data table
> >   device-mapper: reload ioctl failed: Invalid argument
> >   Failed to suspend data
> >
> > The following show in /var/log/messages:
> >
> > Jan 13 11:23:30 mockingbird device-mapper: table: device 8:5 too small
> > for target
>
> Try "-l+100%FREE" instead of "-L400G".
>
mockingbird ~ # lvextend -v -l+100%FREE /dev/vg00/data 
    Finding volume group vg00
    Archiving volume group "vg00" metadata (seqno 22).
  Extending logical volume data to 465.00 GB
    Creating volume group backup "/etc/lvm/backup/vg00" (seqno 23).
    Found volume group "vg00"
    Found volume group "vg00"
    Loading vg00-data table
  device-mapper: reload ioctl failed: Invalid argument
  Failed to suspend data

Thanks,
festus