On Feb 13, 2008 2:34 PM, Yajith Ajantha Dayarathna | යජිත් අජන්ත දයාරත්න <
yajith@gmail.com> wrote:

> On Feb 13, 2008 2:07 PM, Mark Huth <mhuth@redhat.com> wrote:
>
> > Yajith Ajantha Dayarathna | ????? ????? ??????? wrote:
> > > Hi all,
> > > Forgive me if this is the wrong list to ask this question.
> > > I'm quite new to LVM(-and to this list) and one of my friends brought
> > > this question up to me..
> > >
> > > There is an error coming up when they try to "pvcreate"
> > >
> > > Below is the "fdisk -l" output.
> > >
> > > [root@lwlsvr bin]# fdisk -l
> > >
> > >
> > > Disk /dev/cciss/c0d0: 145.6 GB, 145667358720 bytes
> > > 255 heads, 32 sectors/track, 34866 cylinders
> > > Units = cylinders of 8160 * 512 = 4177920 bytes
> > >
> > > Device Boot Start End Blocks Id System
> > > /dev/cciss/c0d0p1 * 1 25 101984 83 Linux
> > > /dev/cciss/c0d0p2 26 7554 30718320 83 Linux
> > > /dev/cciss/c0d0p3 7555 8068 2097120 82 Linux swap
> > > /dev/cciss/c0d0p4 8069 34866 109335840 5 Extended
> > > /dev/cciss/c0d0p5 8069 10578 10240784 83 Linux
> > > /dev/cciss/c0d0p6 10579 10587 36704 83 Linux
> > > /dev/cciss/c0d0p7 10588 10596 36704 83 Linux
> > > /dev/cciss/c0d0p8 10597 10725 526304 83 Linux
> > > /dev/cciss/c0d0p9 10726 10988 1073024 83 Linux
> > > /dev/cciss/c0d0p10 10989 11251 1073024 83 Linux
> > > /dev/cciss/c0d0p11 11252 11776 2141984 83 Linux
> > > /dev/cciss/c0d0p12 11777 12301 2141984 83 Linux
> > > /dev/cciss/c0d0p13 12302 12826 2141984 83 Linux
> > > /dev/cciss/c0d0p14 12827 13351 2141984 83 Linux
> > > /dev/cciss/c0d0p15 13352 13876 2141984 83 Linux
> > > /dev/cciss/c0d0p16 13877 34866 85639184 8e Linux LVM
> > >
> > > When a pvcreate is attempted on "/dev/cciss/c0d0p16" it produces the
> > > below output.
> > >
> > > [root@lwlsvr informix]# pvcreate /dev/cciss/c0d0p16
> > > pvcreate -- can't open physical volume "/dev/cciss/c0d0p16" to get its
> > > size
> > >
> > AFAIK, the major/minor numbering scheme for block devices limits you to
> > 15 partitions per device.
> >
> > Mark
> >
> > _______________________________________________
> > linux-lvm mailing list
> > linux-lvm@redhat.com
> > https://www.redhat.com/mailman/listinfo/linux-lvm
> > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
> >
>
> thanks for the quick reply..
> is it possible to create more than 15 partitions from fdisk, while
> major/minor numbering scheme limitation is there ?
> could you point me to someplace i can read more about on this?
>
> thanks again
> --
> Yajith Ajantha



even though the fdisk output contains "/dev/cciss/c0d0p16" there is no such
device created under /dev/cciss/.
Is it because of the above mentioned limitation ?
-- 
Yajith Ajantha