[Hampshire] LVM query.

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Author: Clive Woodfine
Date:  
To: Hampshire LUG Discussion List
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Subject: [Hampshire] LVM query.
Please could someone explain this?
On my box running FC5 with LVM I get the following from fdisk -l

[root@Core clive]# fdisk -l
bash: fdisk: command not found
[root@Core clive]# /sbin/fdisk -l

Disk /dev/hda: 15.3 GB, 15377080320 bytes
16 heads, 63 sectors/track, 29795 cylinders
Units = cylinders of 1008 * 512 = 516096 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/hda1   *           1       14564     7340224+   c  W95 FAT32 (LBA)
/dev/hda2           14565       29795     7676424    f  W95 Ext'd (LBA)
/dev/hda5           14565       29795     7676392+  83  Linux


Disk /dev/hdb: 41.1 GB, 41174138880 bytes
255 heads, 63 sectors/track, 5005 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/hdb1   *           1          13      104391   83  Linux
/dev/hdb2              14        1543    12289725   8e  Linux LVM
/dev/hdb3            1544        2563     8193150   8e  Linux LVM
/dev/hdb4            2564        5005    19615365    f  W95 Ext'd (LBA)
/dev/hdb5            2564        2627      514048+  82  Linux swap / Solaris


Disk /dev/dm-0: 12.5 GB, 12549357568 bytes
255 heads, 63 sectors/track, 1525 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Disk /dev/dm-0 doesn't contain a valid partition table

Disk /dev/dm-1: 8355 MB, 8355053568 bytes
255 heads, 63 sectors/track, 1015 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Disk /dev/dm-1 doesn't contain a valid partition table

Disk /dev/dm-2: 8355 MB, 8355053568 bytes
255 heads, 63 sectors/track, 1015 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Disk /dev/dm-2 doesn't contain a valid partition table

Disk /dev/dm-3: 33 MB, 33554432 bytes
255 heads, 63 sectors/track, 4 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Disk /dev/dm-3 doesn't contain a valid partition table

I have Googled and it was said "... doesn't contain a valid partition
table" was normal and is nothing to worry about! The reason I ask is
that when I do a `yum update` all goes well unless there is a kernel
update. The system will not boot from the new kernel and I have to
revert to the original (2.6.18-1.2257.fc5).
--
Clive Woodfine