Re: devfs and Linux LVM
Thanks for the response. I will try lvm10 again (I am
avoiding lvm2 for the same reason you are). I think
the problem may that I don't quite understand what I
need to do to set up LVM. When lvm10 is installed
this message is displayed:
----------
if devfs is compiled into the kernel then it MUST be
mounted on /dev
Otherwise LVM will not be able to locate your Physical
Volumes. You must
also use the full devfs device names in LVM commands
rather than the
shortened devfsd names.
----------
I have never used devfs and have mostly ignored its
existence so I have a few questions. The first is
that the message says that that devfs "MUST be mounted
on /dev". What does this mean and how do I do it?
Second question, the message says that I must also use
the full devfs device names in LVM commands. Does
this mean that I must run command like this:
vgcreate newvg /dev/ide/host0/bus0...
and not like this:
vgcreate newvg /dev/hda2
I assume it means the former. If so do I also have to
use the full device path in non lvm commands. For
example can I mount using:
mount /dev/newvg/nvglv01 /newfs
or do I need to mount using:
mount /dev/ide/host0/bus0... /newfs
Thanks for the help.
--- Paul Morgan <paulswm@earthlink.net> wrote:
> On Sat, 03 Jan 2004 13:30:06 -0800, ope wrote:
>
> I am running sarge (testing) and have been using
> devfs and lvm10 for
> nearly 2 years with no problems, either with stock
> or custom-compiled
> kernels. However, I don't mix distros, and your
> problem may be related to
> that, particularly as it once worked and now it
> doesn't.
>
> I don't know whether moving to lvm2 will fix your
> problem, as I doubt it's
> related to either devfs or lvm10. Personally, I'm
> not moving to lvm2
> until the package description no longer contains the
> text: "but has some
> unimplemented features (most notably, pvmove and
> e2fsadm). It is not yet
> recommended for production use."
>
> The only issue I've had with lvm10 is the well known
> inability to mount
> snapshot volumes, to fix which I've taken the VFS
> patch from an older
> kernel and modified it to patch my kernel (2.4.22).
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