$ sudo vgchange -a y
2 logical volume(s) in volume group "VolGroup00" now active
2 logical volume(s) in volume group "VolGroup00" now active
Digging around in the man pages, it looks to me as though I will need to rename the active/current volume using vgrename command, change the /etc/fstab to the new name and then follow on with mounting the old volume using the old default volume.
Am I on the right track? Thanks for your help.
On 7/15/07, Brian McCullough <bdmc@bdmcc-us.com> wrote:
On Sun, Jul 15, 2007 at 08:30:40PM -0500, Allan Wolfe wrote:
>
> $ sudo mount -t ext3 /dev/sdb2 /media/other
> mount: wrong fs type, bad option, bad superblock on /dev/sdb2,
> missing codepage or other error
> In some cases useful info is found in syslog - try
> dmesg | tail or so
>
> Disk /dev/sdb: 40.0 GB, 40007761920 bytes
> 255 heads, 63 sectors/track, 4864 cylinders, total 78140160 sectors
> Units = sectors of 1 * 512 = 512 bytes
>
> Device Boot Start End Blocks Id System
> /dev/sdb1 * 63 208844 104391 83 Linux
> /dev/sdb2 208845 78140159 38965657+ 8e Linux LVM
>
>
> I could use some help in understanding how to get the drive mounted since
> it was originally an lvm2 volume with ext3 filesystem laid on top of it.
Allan,
You said it right there. Also, the fdisk output shows you something
too.
As you can see, the disk partition type is "LVM" and, in fact, when
mount looks at that partition to try and determine what file system type
to mount, all it sees is LVM, which mount doesn't understand.
Just before I give you the answer, what were the names of your VG and LV
in the old system? If they conflict with the present system, does it
run LVM disks as well, you will have problems mounting even with what I
tell you.
In any case, if you issue "vgchange -a y" at your command line, the LVM2
system in your current machine will rescan all attached disk-like
devices and find your USB disk's LVM partition. If the name doesn't
conflict with something in your system already, you can then go ahead
and mount the Logical Volumes that are found, just as you tried with the
Physical Volume, /dev/sdb2.
That is a rather short version of the explanation, so if it is "clear as
mud," feel free to ask again, and several people here will be able to
help you with your FC6 system.
Hope that helps,
Brian
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