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#1 (**permalink**) 02-21-2008, 07:59 AM

I moved my /home onto a LVM volume according to:
http://www.gentoo.org/doc/en/lvm2.xml

First: I am using the kernel 2.6 from 2004.1, an loaded dm-mod (though
documentation says this would be unnecessary, but lvm will complain about
the device mapper missing otherwise).

I found out that on my machine the mentioned tools reported (here vgscan,
for example):
vgscan -- LVM driver/module not loaded?

I finally managed to create my volume via the lvm command instead (lvm
vgscan, lvm vgcreate, etc.)

Everything went fine, but on startup, my home volume is not mounted, since
the script in /etc/init.d uses the vgscan command (and others) directly,
always resulting in the above error message.
(I then activate the volume with 'lvm lvchange -a y vg/home', then
mounting /home is possible).

Is this a known problem? Do I have to do sth. to make the vgscan command
etc. work directly?

I changed the init-script checkfs with no effect, an I guess I should better
make vgscan work.

Thanks in advance
Matthias

#2 (**permalink**) 02-21-2008, 07:59 AM

Matthias Wurm wrote:

device mapper missing otherwise).
>
> I found out that on my machine the mentioned tools reported (here vgscan,
> for example):
> vgscan -- LVM driver/module not loaded?

Problem solved, I emerged bot lvm-user and lvm2, not noticing that one ist
for LVM, the other for LVM2...

Greetings
Matthias

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Gentoo LVM Problems - vgscan reports LVM drive not loaded