[CentOS] LVM Input/output error
itayf at nospammail.net
itayf at nospammail.net
Tue Jul 11 11:27:21 UTC 2006
On Mon, 10 Jul 2006 11:13:42 -0400 William L. Maltby <BillsCentOS at triad.rr.com> wrote:
> > I am quite sure that this is an 'sfdisk' issue unrelated to the
> > problem I needed to solve. But I would like to be careful before
> > I declare [RESOLVED].
>
> My workstation, in use for over a year now, shows the same warning
> message (start=63...) as your transcript. Further, having used sfdisk
> for a *long* time for some fairly rigorous applications, I have complete
> confidence in it. Reread the man sections on the "+" and "-" suffix and
> you get your first clue. The run sfdisk again and add "-uS" and I think
> you will be OK with it.
[snip]
> > Perhaps I will try sfdisk with a different machine to see if
> > there is a difference.
>
> I don't think you'll see any difference if the config is similar. I've
> attached my transcript below.
>
Indeed your example (below) confirms that this is an sfdisk
issue, unrelated to my LVM problem which I now consider resolved.
Well, this is what I call 2 (or 3) at the price of one.
Thanks for the extra education!
Itay
> =============================================================
> [root at wlmlfs08 ~]# sfdisk -l
>
> Disk /dev/hda: 12161 cylinders, 255 heads, 63 sectors/track
> Units = cylinders of 8225280 bytes, blocks of 1024 bytes, counting from 0
>
> Device Boot Start End #cyls #blocks Id System
> /dev/hda1 * 0+ 12 13- 104391 83 Linux
> /dev/hda2 13 2445 2433 19543072+ 8e Linux LVM
> /dev/hda3 2446 4876 2431 19527007+ 8e Linux LVM
> /dev/hda4 0 - 0 0 0 Empty
> Warning: start=63 - this looks like a partition rather than
> the entire disk. Using fdisk on it is probably meaningless.
> [Use the --force option if you really want this]
>
> [root at wlmlfs08 ~]# sfdisk -l -uS
>
> Disk /dev/hda: 12161 cylinders, 255 heads, 63 sectors/track
> Units = sectors of 512 bytes, counting from 0
>
> Device Boot Start End #sectors Id System
> /dev/hda1 * 63 208844 208782 83 Linux
> /dev/hda2 208845 39294989 39086145 8e Linux LVM
> /dev/hda3 39294990 78349004 39054015 8e Linux LVM
> /dev/hda4 0 - 0 0 Empty
> Warning: start=63 - this looks like a partition rather than
> the entire disk. Using fdisk on it is probably meaningless.
> [Use the --force option if you really want this]
> [root at wlmlfs08 ~]#
>
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