Re: [CentOS] LVM Input/output error

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On Mon, 10 Jul 2006 11:13:42 -0400 William L. Maltby <BillsCentOS@xxxxxxxxxxxx> 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@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@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@wlmlfs08 ~]#

============================================================================

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